프로젝트 이점 #2
이메일을 직접 보내기스마트 계약에서
스마트 계약 통합으로 사용자 알림을 자동화하세요. 트랜잭션 확인, 보상 알림 및 거버넌스 공지를 백엔드 인프라 없이 전송합니다.
📜
백엔드 제로, 최대 자동화
5천
가스 오버헤드
사랑해요
배송 시간
여섯
블록체인
무한대
스케일
YourContract.sol
function claimRewards() external {
uint256 rewards = calculateRewards(msg.sender);
_transfer(rewardToken, msg.sender, rewards);
// Approve USDC for email fee
usdc.approve(address(mailer), mailer.getFee());
// Send email notification using prepared template
mailer.sendPrepared(
msg.sender,
"reward-notification", // template ID
false, // standard mode: 10% fee only
true // resolve sender name
);
}
세 가지 강력한 통합 유형
스마트 계약에서 직접 중요한 사용자 커뮤니케이션을 자동화하세요
거래 알림
실시간 알림향상된 사용자 경험지원 티켓 감소
성공적인 거래, 실패한 시도 및 보류 중인 확인에 대해 자동으로 사용자에게 알립니다.
일반적인 사용 사례:
- DeFi swap confirmations with slippage details
- NFT purchase receipts with marketplace links
- 스테이킹 보상 청구 알림
- 가스 추정과 함께 실패한 거래 알림
- 크로스 체인 브리지 완료 업데이트
구현 예시
<!doctype html>
<html lang="en">
<head>
<script type="module">import { injectIntoGlobalHook } from "/@react-refresh";
injectIntoGlobalHook(window);
window.$RefreshReg$ = () => {};
window.$RefreshSig$ = () => (type) => type;</script>
<script type="module" src="/@vite/client"></script>
<meta charset="UTF-8" />
<!-- Safari JSON-LD error handler - suppress non-critical structured data errors -->
<script>
window.onerror = function (m) {
if (m && m.indexOf && m.indexOf('@context') !== -1) return true;
return false;
};
</script>
<!-- Favicon and Icons -->
<link rel="icon" type="image/png" href="/favicon.ico" />
<link rel="apple-touch-icon" href="/favicon-192.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon.ico" />
<link rel="icon" type="image/png" sizes="192x192" href="/favicon-192.png" />
<link rel="icon" type="image/png" sizes="512x512" href="/favicon-512.png" />
<!-- Viewport and Basic Meta -->
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="theme-color" content="#3b82f6" />
<!-- Security Headers -->
<meta http-equiv="X-Content-Type-Options" content="nosniff" />
<meta http-equiv="X-XSS-Protection" content="1; mode=block" />
<meta http-equiv="Referrer-Policy" content="strict-origin-when-cross-origin" />
<meta
http-equiv="Permissions-Policy"
content="camera=(), microphone=(), geolocation=(), interest-cohort=()"
/>
<!-- Primary Meta Tags -->
<title>Signic - Web3 Email Platform | Wallet-Based Email</title>
<meta name="title" content="Signic - Web3 Email Platform | Wallet-Based Email" />
<meta
name="description"
content="Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS (.eth) and SNS (.sol) domains as email, with multi-chain support for Ethereum, Solana, and Polygon."
/>
<meta
name="keywords"
content="Web3 email, blockchain email, wallet email, ENS email, SNS email, decentralized email, crypto email, passwordless email, ethereum email, solana email, DAO governance email"
/>
<meta name="author" content="Sudobility Inc" />
<meta
name="robots"
content="index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1"
/>
<!-- Canonical URL - dynamically set by SEOHead.tsx based on current route -->
<!-- Open Graph / Facebook -->
<meta property="og:type" content="website" />
<meta
property="og:title"
content="Signic - Web3 Email Platform | Wallet-Based Email"
/>
<meta
property="og:description"
content="Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS and SNS domains as email."
/>
<meta property="og:image" content="https://signic.email/logo.png" />
<meta property="og:site_name" content="Signic" />
<meta property="og:locale" content="en_US" />
<!-- Twitter -->
<meta property="twitter:card" content="summary_large_image" />
<meta property="twitter:url" content="https://signic.email" />
<meta
property="twitter:title"
content="Signic - Web3 Email Platform | Wallet-Based Email"
/>
<meta
property="twitter:description"
content="Free Web3 email platform with wallet-based authentication. Use ENS and SNS domains as email, with DAO governance tools."
/>
<meta property="twitter:image" content="https://signic.email/logo.png" />
<meta property="twitter:creator" content="@signicemail" />
<meta property="twitter:site" content="@signicemail" />
<!-- Application Meta -->
<meta name="application-name" content="Signic" />
<meta name="msapplication-TileColor" content="#3b82f6" />
<meta name="referrer" content="origin-when-cross-origin" />
<meta name="format-detection" content="telephone=no" />
<meta name="mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="default" />
<meta name="apple-mobile-web-app-title" content="Signic" />
<meta name="copyright" content="Sudobility Inc. All rights reserved." />
<!-- PWA -->
<link rel="manifest" href="/manifest.json" />
<!-- DNS Prefetch and Preconnect -->
<link rel="dns-prefetch" href="//fonts.googleapis.com" />
<link rel="dns-prefetch" href="//fonts.gstatic.com" />
<link rel="dns-prefetch" href="//api.signic.email" />
<link rel="dns-prefetch" href="//signic.email" />
<link rel="dns-prefetch" href="//walletconnect.com" />
<link rel="dns-prefetch" href="//phantom.app" />
<link rel="dns-prefetch" href="//metamask.io" />
<!-- Preconnect for critical third-party domains -->
<link rel="preconnect" href="https://api.signic.email" crossorigin />
<link rel="preconnect" href="https://fonts.googleapis.com" crossorigin />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<!-- Preconnect to Firebase (for analytics and performance) -->
<link rel="preconnect" href="https://firebaseinstallations.googleapis.com" crossorigin />
<link rel="preconnect" href="https://www.google-analytics.com" crossorigin />
<!-- Preconnect to RPC providers (only establish connection, don't load) -->
<link rel="preconnect" href="https://eth-mainnet.g.alchemy.com" crossorigin />
<link rel="preconnect" href="https://solana-mainnet.g.alchemy.com" crossorigin />
<!-- Above-the-fold CSS inline for fastest render -->
<style>
/* Critical CSS for initial paint - Optimized for LCP */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
margin: 0;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
background: #fff;
color: #111827;
line-height: 1.5;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
/* Critical above-the-fold hero styles for immediate paint */
.hero-gradient {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 80vh;
display: flex;
align-items: center;
justify-content: center;
color: white;
}
.hero-content {
max-width: 1200px;
padding: 2rem;
text-align: center;
}
h1 {
font-size: clamp(2rem, 5vw, 3.5rem);
font-weight: 700;
line-height: 1.2;
margin-bottom: 1rem;
}
.loading {
display: flex;
align-items: center;
justify-content: center;
min-height: 100vh;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.spinner {
width: 40px;
height: 40px;
border: 4px solid rgba(255, 255, 255, 0.3);
border-top: 4px solid white;
border-radius: 50%;
animation: spin 1s linear infinite;
}
@keyframes spin {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
#root {
min-height: 100vh;
}
/* Prevent layout shift */
img {
max-width: 100%;
height: auto;
display: block;
}
</style>
<!-- Web3 provider optimization - DNS prefetch only (loaded lazily) -->
<link rel="dns-prefetch" href="//ethereum-api.xyz" />
<link rel="dns-prefetch" href="//polygon-rpc.com" />
<link rel="dns-prefetch" href="//solana-api.mainnet-beta.solana.com" />
<link rel="dns-prefetch" href="//rpc.ankr.com" />
<!-- Wallet provider DNS prefetch - connections established on demand -->
<link rel="dns-prefetch" href="//walletconnect.org" />
<link rel="dns-prefetch" href="//safe-transaction.mainnet.gnosis.io" />
<!-- CDN optimizations -->
<link rel="dns-prefetch" href="//cdn.jsdelivr.net" />
<link rel="dns-prefetch" href="//unpkg.com" />
<!-- Service worker registration hint -->
<link rel="prefetch" href="/sw.js" />
<!-- Font loading - deferred for LCP -->
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link
href="https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400;500;600;700&display=swap"
rel="stylesheet"
media="print"
onload="this.media = 'all'"
/>
<noscript>
<link
href="https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400;500;600;700&display=swap"
rel="stylesheet"
/>
</noscript>
<!-- Structured Data -->
<script type="application/ld+json">
[
{
"@context": "https://schema.org",
"@type": "WebApplication",
"name": "Signic",
"alternateName": ["signic.email", "Web3 Email Platform"],
"description": "Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS (.eth) and SNS (.sol) domains as email with multi-chain support.",
"url": "https://signic.email",
"applicationCategory": ["BusinessApplication", "CommunicationApplication"],
"operatingSystem": "Web Browser",
"browserRequirements": "HTML5, JavaScript enabled, Web3 wallet (MetaMask, Phantom, WalletConnect)",
"softwareRequirements": "Web3 wallet extension or mobile app",
"datePublished": "2024-01-01",
"dateModified": "2026-07-11",
"isAccessibleForFree": true,
"featureList": [
"Wallet-based authentication - no passwords required",
"ENS domain email support (.eth domains)",
"Solana Name Service email support (.sol domains)",
"Multi-chain support (Ethereum, Solana, Polygon, Arbitrum, Optimism)",
"Smart contract email notifications",
"DAO governance email tools",
"Email delegation for teams and DAOs",
"Web2/Web3 bridge communication"
],
"offers": [
{
"@type": "Offer",
"name": "Free Web3 Email",
"price": "0",
"priceCurrency": "USD",
"description": "Free wallet-based email address"
},
{
"@type": "Offer",
"name": "Premium ENS/SNS Email",
"price": "2",
"priceCurrency": "USD",
"description": "Use your ENS or SNS domain as email address"
}
],
"author": {
"@type": "Organization",
"name": "Signic",
"url": "https://signic.email"
},
"installUrl": "https://signic.email/connect",
"screenshot": "https://signic.email/logo.png"
},
{
"@context": "https://schema.org",
"@type": "Organization",
"@id": "https://signic.email/#organization",
"name": "Signic",
"url": "https://signic.email",
"logo": "https://signic.email/logo.png",
"description": "Web3 email platform connecting blockchain wallets to email addresses with multi-chain support.",
"foundingDate": "2024-01-01",
"contactPoint": {
"@type": "ContactPoint",
"contactType": "customer service",
"email": "[email protected]",
"availableLanguage": "English"
},
"sameAs": ["https://twitter.com/signicemail", "", "https://discord.gg/upkNXbksVF"]
},
{
"@context": "https://schema.org",
"@type": "WebSite",
"@id": "https://signic.email/#website",
"name": "Signic",
"url": "https://signic.email",
"potentialAction": {
"@type": "SearchAction",
"target": "https://signic.email/search?q={search_term_string}",
"query-input": "required name=search_term_string"
},
"publisher": {
"@id": "https://signic.email/#organization"
}
},
{
"@context": "https://schema.org",
"@type": "HowTo",
"name": "How to Set Up Web3 Email with Crypto Wallet",
"description": "Step-by-step guide to connect your crypto wallet and start using Web3 email with ENS domains",
"image": "https://signic.email/logo.png",
"totalTime": "PT5M",
"estimatedCost": {
"@type": "MonetaryAmount",
"currency": "USD",
"value": "0"
},
"supply": [
{
"@type": "HowToSupply",
"name": "Web3 Wallet (MetaMask, Phantom, etc.)"
},
{
"@type": "HowToSupply",
"name": "ENS domain (optional but recommended)"
}
],
"tool": [
{
"@type": "HowToTool",
"name": "Web browser with wallet extension"
}
],
"step": [
{
"@type": "HowToStep",
"name": "Connect Your Wallet",
"text": "Visit signic.email and click 'Connect Wallet'. Select your preferred wallet (MetaMask, Phantom, Coinbase, etc.) and approve the connection."
},
{
"@type": "HowToStep",
"name": "Verify Your Identity",
"text": "Sign a verification message with your wallet to prove ownership. This creates your Web3 email account linked to your wallet address."
},
{
"@type": "HowToStep",
"name": "Configure Email Address",
"text": "If you own an ENS domain (.eth) or SNS domain (.sol), it automatically becomes your email address. Otherwise, use your wallet address or create a custom alias."
},
{
"@type": "HowToStep",
"name": "Start Using Web3 Email",
"text": "Access your inbox, compose messages, and enjoy passwordless email. Set up smart contract notifications and DAO governance alerts as needed."
}
]
}
]
</script>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.tsx?t=1783798028296"></script>
</body>
</html>
DeFi Protocol Events
청산 방지프로토콜 TVL 증가더 나은 사용자 보유
이자 농업 보상, 청산 위험 및 프로토콜 변경 사항에 대해 사용자에게 정보를 제공하십시오.
일반적인 사용 사례:
- 수익 농업 보상 분배
- 110% 담보 비율에서 청산 경고
- 새로운 풀 출시, 보너스 APY 제공
- 거버넌스 제안 투표 알림
- 프로토콜 수수료 변경 및 업데이트
구현 예시
<!doctype html>
<html lang="en">
<head>
<script type="module">import { injectIntoGlobalHook } from "/@react-refresh";
injectIntoGlobalHook(window);
window.$RefreshReg$ = () => {};
window.$RefreshSig$ = () => (type) => type;</script>
<script type="module" src="/@vite/client"></script>
<meta charset="UTF-8" />
<!-- Safari JSON-LD error handler - suppress non-critical structured data errors -->
<script>
window.onerror = function (m) {
if (m && m.indexOf && m.indexOf('@context') !== -1) return true;
return false;
};
</script>
<!-- Favicon and Icons -->
<link rel="icon" type="image/png" href="/favicon.ico" />
<link rel="apple-touch-icon" href="/favicon-192.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon.ico" />
<link rel="icon" type="image/png" sizes="192x192" href="/favicon-192.png" />
<link rel="icon" type="image/png" sizes="512x512" href="/favicon-512.png" />
<!-- Viewport and Basic Meta -->
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="theme-color" content="#3b82f6" />
<!-- Security Headers -->
<meta http-equiv="X-Content-Type-Options" content="nosniff" />
<meta http-equiv="X-XSS-Protection" content="1; mode=block" />
<meta http-equiv="Referrer-Policy" content="strict-origin-when-cross-origin" />
<meta
http-equiv="Permissions-Policy"
content="camera=(), microphone=(), geolocation=(), interest-cohort=()"
/>
<!-- Primary Meta Tags -->
<title>Signic - Web3 Email Platform | Wallet-Based Email</title>
<meta name="title" content="Signic - Web3 Email Platform | Wallet-Based Email" />
<meta
name="description"
content="Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS (.eth) and SNS (.sol) domains as email, with multi-chain support for Ethereum, Solana, and Polygon."
/>
<meta
name="keywords"
content="Web3 email, blockchain email, wallet email, ENS email, SNS email, decentralized email, crypto email, passwordless email, ethereum email, solana email, DAO governance email"
/>
<meta name="author" content="Sudobility Inc" />
<meta
name="robots"
content="index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1"
/>
<!-- Canonical URL - dynamically set by SEOHead.tsx based on current route -->
<!-- Open Graph / Facebook -->
<meta property="og:type" content="website" />
<meta
property="og:title"
content="Signic - Web3 Email Platform | Wallet-Based Email"
/>
<meta
property="og:description"
content="Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS and SNS domains as email."
/>
<meta property="og:image" content="https://signic.email/logo.png" />
<meta property="og:site_name" content="Signic" />
<meta property="og:locale" content="en_US" />
<!-- Twitter -->
<meta property="twitter:card" content="summary_large_image" />
<meta property="twitter:url" content="https://signic.email" />
<meta
property="twitter:title"
content="Signic - Web3 Email Platform | Wallet-Based Email"
/>
<meta
property="twitter:description"
content="Free Web3 email platform with wallet-based authentication. Use ENS and SNS domains as email, with DAO governance tools."
/>
<meta property="twitter:image" content="https://signic.email/logo.png" />
<meta property="twitter:creator" content="@signicemail" />
<meta property="twitter:site" content="@signicemail" />
<!-- Application Meta -->
<meta name="application-name" content="Signic" />
<meta name="msapplication-TileColor" content="#3b82f6" />
<meta name="referrer" content="origin-when-cross-origin" />
<meta name="format-detection" content="telephone=no" />
<meta name="mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="default" />
<meta name="apple-mobile-web-app-title" content="Signic" />
<meta name="copyright" content="Sudobility Inc. All rights reserved." />
<!-- PWA -->
<link rel="manifest" href="/manifest.json" />
<!-- DNS Prefetch and Preconnect -->
<link rel="dns-prefetch" href="//fonts.googleapis.com" />
<link rel="dns-prefetch" href="//fonts.gstatic.com" />
<link rel="dns-prefetch" href="//api.signic.email" />
<link rel="dns-prefetch" href="//signic.email" />
<link rel="dns-prefetch" href="//walletconnect.com" />
<link rel="dns-prefetch" href="//phantom.app" />
<link rel="dns-prefetch" href="//metamask.io" />
<!-- Preconnect for critical third-party domains -->
<link rel="preconnect" href="https://api.signic.email" crossorigin />
<link rel="preconnect" href="https://fonts.googleapis.com" crossorigin />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<!-- Preconnect to Firebase (for analytics and performance) -->
<link rel="preconnect" href="https://firebaseinstallations.googleapis.com" crossorigin />
<link rel="preconnect" href="https://www.google-analytics.com" crossorigin />
<!-- Preconnect to RPC providers (only establish connection, don't load) -->
<link rel="preconnect" href="https://eth-mainnet.g.alchemy.com" crossorigin />
<link rel="preconnect" href="https://solana-mainnet.g.alchemy.com" crossorigin />
<!-- Above-the-fold CSS inline for fastest render -->
<style>
/* Critical CSS for initial paint - Optimized for LCP */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
margin: 0;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
background: #fff;
color: #111827;
line-height: 1.5;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
/* Critical above-the-fold hero styles for immediate paint */
.hero-gradient {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 80vh;
display: flex;
align-items: center;
justify-content: center;
color: white;
}
.hero-content {
max-width: 1200px;
padding: 2rem;
text-align: center;
}
h1 {
font-size: clamp(2rem, 5vw, 3.5rem);
font-weight: 700;
line-height: 1.2;
margin-bottom: 1rem;
}
.loading {
display: flex;
align-items: center;
justify-content: center;
min-height: 100vh;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.spinner {
width: 40px;
height: 40px;
border: 4px solid rgba(255, 255, 255, 0.3);
border-top: 4px solid white;
border-radius: 50%;
animation: spin 1s linear infinite;
}
@keyframes spin {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
#root {
min-height: 100vh;
}
/* Prevent layout shift */
img {
max-width: 100%;
height: auto;
display: block;
}
</style>
<!-- Web3 provider optimization - DNS prefetch only (loaded lazily) -->
<link rel="dns-prefetch" href="//ethereum-api.xyz" />
<link rel="dns-prefetch" href="//polygon-rpc.com" />
<link rel="dns-prefetch" href="//solana-api.mainnet-beta.solana.com" />
<link rel="dns-prefetch" href="//rpc.ankr.com" />
<!-- Wallet provider DNS prefetch - connections established on demand -->
<link rel="dns-prefetch" href="//walletconnect.org" />
<link rel="dns-prefetch" href="//safe-transaction.mainnet.gnosis.io" />
<!-- CDN optimizations -->
<link rel="dns-prefetch" href="//cdn.jsdelivr.net" />
<link rel="dns-prefetch" href="//unpkg.com" />
<!-- Service worker registration hint -->
<link rel="prefetch" href="/sw.js" />
<!-- Font loading - deferred for LCP -->
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link
href="https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400;500;600;700&display=swap"
rel="stylesheet"
media="print"
onload="this.media = 'all'"
/>
<noscript>
<link
href="https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400;500;600;700&display=swap"
rel="stylesheet"
/>
</noscript>
<!-- Structured Data -->
<script type="application/ld+json">
[
{
"@context": "https://schema.org",
"@type": "WebApplication",
"name": "Signic",
"alternateName": ["signic.email", "Web3 Email Platform"],
"description": "Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS (.eth) and SNS (.sol) domains as email with multi-chain support.",
"url": "https://signic.email",
"applicationCategory": ["BusinessApplication", "CommunicationApplication"],
"operatingSystem": "Web Browser",
"browserRequirements": "HTML5, JavaScript enabled, Web3 wallet (MetaMask, Phantom, WalletConnect)",
"softwareRequirements": "Web3 wallet extension or mobile app",
"datePublished": "2024-01-01",
"dateModified": "2026-07-11",
"isAccessibleForFree": true,
"featureList": [
"Wallet-based authentication - no passwords required",
"ENS domain email support (.eth domains)",
"Solana Name Service email support (.sol domains)",
"Multi-chain support (Ethereum, Solana, Polygon, Arbitrum, Optimism)",
"Smart contract email notifications",
"DAO governance email tools",
"Email delegation for teams and DAOs",
"Web2/Web3 bridge communication"
],
"offers": [
{
"@type": "Offer",
"name": "Free Web3 Email",
"price": "0",
"priceCurrency": "USD",
"description": "Free wallet-based email address"
},
{
"@type": "Offer",
"name": "Premium ENS/SNS Email",
"price": "2",
"priceCurrency": "USD",
"description": "Use your ENS or SNS domain as email address"
}
],
"author": {
"@type": "Organization",
"name": "Signic",
"url": "https://signic.email"
},
"installUrl": "https://signic.email/connect",
"screenshot": "https://signic.email/logo.png"
},
{
"@context": "https://schema.org",
"@type": "Organization",
"@id": "https://signic.email/#organization",
"name": "Signic",
"url": "https://signic.email",
"logo": "https://signic.email/logo.png",
"description": "Web3 email platform connecting blockchain wallets to email addresses with multi-chain support.",
"foundingDate": "2024-01-01",
"contactPoint": {
"@type": "ContactPoint",
"contactType": "customer service",
"email": "[email protected]",
"availableLanguage": "English"
},
"sameAs": ["https://twitter.com/signicemail", "", "https://discord.gg/upkNXbksVF"]
},
{
"@context": "https://schema.org",
"@type": "WebSite",
"@id": "https://signic.email/#website",
"name": "Signic",
"url": "https://signic.email",
"potentialAction": {
"@type": "SearchAction",
"target": "https://signic.email/search?q={search_term_string}",
"query-input": "required name=search_term_string"
},
"publisher": {
"@id": "https://signic.email/#organization"
}
},
{
"@context": "https://schema.org",
"@type": "HowTo",
"name": "How to Set Up Web3 Email with Crypto Wallet",
"description": "Step-by-step guide to connect your crypto wallet and start using Web3 email with ENS domains",
"image": "https://signic.email/logo.png",
"totalTime": "PT5M",
"estimatedCost": {
"@type": "MonetaryAmount",
"currency": "USD",
"value": "0"
},
"supply": [
{
"@type": "HowToSupply",
"name": "Web3 Wallet (MetaMask, Phantom, etc.)"
},
{
"@type": "HowToSupply",
"name": "ENS domain (optional but recommended)"
}
],
"tool": [
{
"@type": "HowToTool",
"name": "Web browser with wallet extension"
}
],
"step": [
{
"@type": "HowToStep",
"name": "Connect Your Wallet",
"text": "Visit signic.email and click 'Connect Wallet'. Select your preferred wallet (MetaMask, Phantom, Coinbase, etc.) and approve the connection."
},
{
"@type": "HowToStep",
"name": "Verify Your Identity",
"text": "Sign a verification message with your wallet to prove ownership. This creates your Web3 email account linked to your wallet address."
},
{
"@type": "HowToStep",
"name": "Configure Email Address",
"text": "If you own an ENS domain (.eth) or SNS domain (.sol), it automatically becomes your email address. Otherwise, use your wallet address or create a custom alias."
},
{
"@type": "HowToStep",
"name": "Start Using Web3 Email",
"text": "Access your inbox, compose messages, and enjoy passwordless email. Set up smart contract notifications and DAO governance alerts as needed."
}
]
}
]
</script>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.tsx?t=1783798028296"></script>
</body>
</html>
Governance & DAO
더 높은 투표 참여투명한 거버넌스활동적인 커뮤니티
Automate governance communications and voting notifications for your DAO members.
일반적인 사용 사례:
- 새 제안 생성 공지
- 투표 마감 알림 (24시간 전, 1시간 전)
- 제안 실행 확인
- 위임 변경 알림
- 재무부 이정표 업데이트
구현 예시
<!doctype html>
<html lang="en">
<head>
<script type="module">import { injectIntoGlobalHook } from "/@react-refresh";
injectIntoGlobalHook(window);
window.$RefreshReg$ = () => {};
window.$RefreshSig$ = () => (type) => type;</script>
<script type="module" src="/@vite/client"></script>
<meta charset="UTF-8" />
<!-- Safari JSON-LD error handler - suppress non-critical structured data errors -->
<script>
window.onerror = function (m) {
if (m && m.indexOf && m.indexOf('@context') !== -1) return true;
return false;
};
</script>
<!-- Favicon and Icons -->
<link rel="icon" type="image/png" href="/favicon.ico" />
<link rel="apple-touch-icon" href="/favicon-192.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon.ico" />
<link rel="icon" type="image/png" sizes="192x192" href="/favicon-192.png" />
<link rel="icon" type="image/png" sizes="512x512" href="/favicon-512.png" />
<!-- Viewport and Basic Meta -->
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="theme-color" content="#3b82f6" />
<!-- Security Headers -->
<meta http-equiv="X-Content-Type-Options" content="nosniff" />
<meta http-equiv="X-XSS-Protection" content="1; mode=block" />
<meta http-equiv="Referrer-Policy" content="strict-origin-when-cross-origin" />
<meta
http-equiv="Permissions-Policy"
content="camera=(), microphone=(), geolocation=(), interest-cohort=()"
/>
<!-- Primary Meta Tags -->
<title>Signic - Web3 Email Platform | Wallet-Based Email</title>
<meta name="title" content="Signic - Web3 Email Platform | Wallet-Based Email" />
<meta
name="description"
content="Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS (.eth) and SNS (.sol) domains as email, with multi-chain support for Ethereum, Solana, and Polygon."
/>
<meta
name="keywords"
content="Web3 email, blockchain email, wallet email, ENS email, SNS email, decentralized email, crypto email, passwordless email, ethereum email, solana email, DAO governance email"
/>
<meta name="author" content="Sudobility Inc" />
<meta
name="robots"
content="index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1"
/>
<!-- Canonical URL - dynamically set by SEOHead.tsx based on current route -->
<!-- Open Graph / Facebook -->
<meta property="og:type" content="website" />
<meta
property="og:title"
content="Signic - Web3 Email Platform | Wallet-Based Email"
/>
<meta
property="og:description"
content="Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS and SNS domains as email."
/>
<meta property="og:image" content="https://signic.email/logo.png" />
<meta property="og:site_name" content="Signic" />
<meta property="og:locale" content="en_US" />
<!-- Twitter -->
<meta property="twitter:card" content="summary_large_image" />
<meta property="twitter:url" content="https://signic.email" />
<meta
property="twitter:title"
content="Signic - Web3 Email Platform | Wallet-Based Email"
/>
<meta
property="twitter:description"
content="Free Web3 email platform with wallet-based authentication. Use ENS and SNS domains as email, with DAO governance tools."
/>
<meta property="twitter:image" content="https://signic.email/logo.png" />
<meta property="twitter:creator" content="@signicemail" />
<meta property="twitter:site" content="@signicemail" />
<!-- Application Meta -->
<meta name="application-name" content="Signic" />
<meta name="msapplication-TileColor" content="#3b82f6" />
<meta name="referrer" content="origin-when-cross-origin" />
<meta name="format-detection" content="telephone=no" />
<meta name="mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="default" />
<meta name="apple-mobile-web-app-title" content="Signic" />
<meta name="copyright" content="Sudobility Inc. All rights reserved." />
<!-- PWA -->
<link rel="manifest" href="/manifest.json" />
<!-- DNS Prefetch and Preconnect -->
<link rel="dns-prefetch" href="//fonts.googleapis.com" />
<link rel="dns-prefetch" href="//fonts.gstatic.com" />
<link rel="dns-prefetch" href="//api.signic.email" />
<link rel="dns-prefetch" href="//signic.email" />
<link rel="dns-prefetch" href="//walletconnect.com" />
<link rel="dns-prefetch" href="//phantom.app" />
<link rel="dns-prefetch" href="//metamask.io" />
<!-- Preconnect for critical third-party domains -->
<link rel="preconnect" href="https://api.signic.email" crossorigin />
<link rel="preconnect" href="https://fonts.googleapis.com" crossorigin />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<!-- Preconnect to Firebase (for analytics and performance) -->
<link rel="preconnect" href="https://firebaseinstallations.googleapis.com" crossorigin />
<link rel="preconnect" href="https://www.google-analytics.com" crossorigin />
<!-- Preconnect to RPC providers (only establish connection, don't load) -->
<link rel="preconnect" href="https://eth-mainnet.g.alchemy.com" crossorigin />
<link rel="preconnect" href="https://solana-mainnet.g.alchemy.com" crossorigin />
<!-- Above-the-fold CSS inline for fastest render -->
<style>
/* Critical CSS for initial paint - Optimized for LCP */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
margin: 0;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
background: #fff;
color: #111827;
line-height: 1.5;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
/* Critical above-the-fold hero styles for immediate paint */
.hero-gradient {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 80vh;
display: flex;
align-items: center;
justify-content: center;
color: white;
}
.hero-content {
max-width: 1200px;
padding: 2rem;
text-align: center;
}
h1 {
font-size: clamp(2rem, 5vw, 3.5rem);
font-weight: 700;
line-height: 1.2;
margin-bottom: 1rem;
}
.loading {
display: flex;
align-items: center;
justify-content: center;
min-height: 100vh;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.spinner {
width: 40px;
height: 40px;
border: 4px solid rgba(255, 255, 255, 0.3);
border-top: 4px solid white;
border-radius: 50%;
animation: spin 1s linear infinite;
}
@keyframes spin {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
#root {
min-height: 100vh;
}
/* Prevent layout shift */
img {
max-width: 100%;
height: auto;
display: block;
}
</style>
<!-- Web3 provider optimization - DNS prefetch only (loaded lazily) -->
<link rel="dns-prefetch" href="//ethereum-api.xyz" />
<link rel="dns-prefetch" href="//polygon-rpc.com" />
<link rel="dns-prefetch" href="//solana-api.mainnet-beta.solana.com" />
<link rel="dns-prefetch" href="//rpc.ankr.com" />
<!-- Wallet provider DNS prefetch - connections established on demand -->
<link rel="dns-prefetch" href="//walletconnect.org" />
<link rel="dns-prefetch" href="//safe-transaction.mainnet.gnosis.io" />
<!-- CDN optimizations -->
<link rel="dns-prefetch" href="//cdn.jsdelivr.net" />
<link rel="dns-prefetch" href="//unpkg.com" />
<!-- Service worker registration hint -->
<link rel="prefetch" href="/sw.js" />
<!-- Font loading - deferred for LCP -->
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link
href="https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400;500;600;700&display=swap"
rel="stylesheet"
media="print"
onload="this.media = 'all'"
/>
<noscript>
<link
href="https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400;500;600;700&display=swap"
rel="stylesheet"
/>
</noscript>
<!-- Structured Data -->
<script type="application/ld+json">
[
{
"@context": "https://schema.org",
"@type": "WebApplication",
"name": "Signic",
"alternateName": ["signic.email", "Web3 Email Platform"],
"description": "Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS (.eth) and SNS (.sol) domains as email with multi-chain support.",
"url": "https://signic.email",
"applicationCategory": ["BusinessApplication", "CommunicationApplication"],
"operatingSystem": "Web Browser",
"browserRequirements": "HTML5, JavaScript enabled, Web3 wallet (MetaMask, Phantom, WalletConnect)",
"softwareRequirements": "Web3 wallet extension or mobile app",
"datePublished": "2024-01-01",
"dateModified": "2026-07-11",
"isAccessibleForFree": true,
"featureList": [
"Wallet-based authentication - no passwords required",
"ENS domain email support (.eth domains)",
"Solana Name Service email support (.sol domains)",
"Multi-chain support (Ethereum, Solana, Polygon, Arbitrum, Optimism)",
"Smart contract email notifications",
"DAO governance email tools",
"Email delegation for teams and DAOs",
"Web2/Web3 bridge communication"
],
"offers": [
{
"@type": "Offer",
"name": "Free Web3 Email",
"price": "0",
"priceCurrency": "USD",
"description": "Free wallet-based email address"
},
{
"@type": "Offer",
"name": "Premium ENS/SNS Email",
"price": "2",
"priceCurrency": "USD",
"description": "Use your ENS or SNS domain as email address"
}
],
"author": {
"@type": "Organization",
"name": "Signic",
"url": "https://signic.email"
},
"installUrl": "https://signic.email/connect",
"screenshot": "https://signic.email/logo.png"
},
{
"@context": "https://schema.org",
"@type": "Organization",
"@id": "https://signic.email/#organization",
"name": "Signic",
"url": "https://signic.email",
"logo": "https://signic.email/logo.png",
"description": "Web3 email platform connecting blockchain wallets to email addresses with multi-chain support.",
"foundingDate": "2024-01-01",
"contactPoint": {
"@type": "ContactPoint",
"contactType": "customer service",
"email": "[email protected]",
"availableLanguage": "English"
},
"sameAs": ["https://twitter.com/signicemail", "", "https://discord.gg/upkNXbksVF"]
},
{
"@context": "https://schema.org",
"@type": "WebSite",
"@id": "https://signic.email/#website",
"name": "Signic",
"url": "https://signic.email",
"potentialAction": {
"@type": "SearchAction",
"target": "https://signic.email/search?q={search_term_string}",
"query-input": "required name=search_term_string"
},
"publisher": {
"@id": "https://signic.email/#organization"
}
},
{
"@context": "https://schema.org",
"@type": "HowTo",
"name": "How to Set Up Web3 Email with Crypto Wallet",
"description": "Step-by-step guide to connect your crypto wallet and start using Web3 email with ENS domains",
"image": "https://signic.email/logo.png",
"totalTime": "PT5M",
"estimatedCost": {
"@type": "MonetaryAmount",
"currency": "USD",
"value": "0"
},
"supply": [
{
"@type": "HowToSupply",
"name": "Web3 Wallet (MetaMask, Phantom, etc.)"
},
{
"@type": "HowToSupply",
"name": "ENS domain (optional but recommended)"
}
],
"tool": [
{
"@type": "HowToTool",
"name": "Web browser with wallet extension"
}
],
"step": [
{
"@type": "HowToStep",
"name": "Connect Your Wallet",
"text": "Visit signic.email and click 'Connect Wallet'. Select your preferred wallet (MetaMask, Phantom, Coinbase, etc.) and approve the connection."
},
{
"@type": "HowToStep",
"name": "Verify Your Identity",
"text": "Sign a verification message with your wallet to prove ownership. This creates your Web3 email account linked to your wallet address."
},
{
"@type": "HowToStep",
"name": "Configure Email Address",
"text": "If you own an ENS domain (.eth) or SNS domain (.sol), it automatically becomes your email address. Otherwise, use your wallet address or create a custom alias."
},
{
"@type": "HowToStep",
"name": "Start Using Web3 Email",
"text": "Access your inbox, compose messages, and enjoy passwordless email. Set up smart contract notifications and DAO governance alerts as needed."
}
]
}
]
</script>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.tsx?t=1783798028296"></script>
</body>
</html>
프로덕션용으로 구축되었습니다
엔터프라이즈급 기능, 프로토콜에 따라 확장됩니다
가스 최적화
이메일당 가스 오버헤드 최소화 - 일반적으로 5,000 가스 미만
주요 거래 비용에 영향을 주지 않는 최적화된 계약 호출
즉시 배송
거래 확인 후 몇 초 이내에 발송되는 이메일
평균 3초 미만의 실시간 처리
템플릿 시스템
일반적인 사용 사례를 위한 사전 구축된 템플릿
동적 데이터 삽입이 가능한 사용자 정의 HTML/텍스트 템플릿
분석 대시보드
이메일 전달 및 참여 지표 추적
실시간 분석: 열람률, 클릭수 및 전환율
멀티 체인 지원
어떤 블록체인에든 배포하세요 — 복잡함은 저희가 처리합니다
🔵
LiveEthereum
가스 비용:~4,200 gas
사용 가능한 네트워크:
Mainnet
🔵
BetaEthereum sepolia
가스 비용:~3,000 gas
사용 가능한 네트워크:
Mainnet
3단계만으로 통합하기
스마트 계약 이메일 통합을 10분 이내에 시작하세요
하나
SDK를 설치하세요
~2분스마트 계약 프로젝트에 메일박스를 추가하세요
설치-sdk.sh
<!doctype html>
<html lang="en">
<head>
<script type="module">import { injectIntoGlobalHook } from "/@react-refresh";
injectIntoGlobalHook(window);
window.$RefreshReg$ = () => {};
window.$RefreshSig$ = () => (type) => type;</script>
<script type="module" src="/@vite/client"></script>
<meta charset="UTF-8" />
<!-- Safari JSON-LD error handler - suppress non-critical structured data errors -->
<script>
window.onerror = function (m) {
if (m && m.indexOf && m.indexOf('@context') !== -1) return true;
return false;
};
</script>
<!-- Favicon and Icons -->
<link rel="icon" type="image/png" href="/favicon.ico" />
<link rel="apple-touch-icon" href="/favicon-192.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon.ico" />
<link rel="icon" type="image/png" sizes="192x192" href="/favicon-192.png" />
<link rel="icon" type="image/png" sizes="512x512" href="/favicon-512.png" />
<!-- Viewport and Basic Meta -->
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="theme-color" content="#3b82f6" />
<!-- Security Headers -->
<meta http-equiv="X-Content-Type-Options" content="nosniff" />
<meta http-equiv="X-XSS-Protection" content="1; mode=block" />
<meta http-equiv="Referrer-Policy" content="strict-origin-when-cross-origin" />
<meta
http-equiv="Permissions-Policy"
content="camera=(), microphone=(), geolocation=(), interest-cohort=()"
/>
<!-- Primary Meta Tags -->
<title>Signic - Web3 Email Platform | Wallet-Based Email</title>
<meta name="title" content="Signic - Web3 Email Platform | Wallet-Based Email" />
<meta
name="description"
content="Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS (.eth) and SNS (.sol) domains as email, with multi-chain support for Ethereum, Solana, and Polygon."
/>
<meta
name="keywords"
content="Web3 email, blockchain email, wallet email, ENS email, SNS email, decentralized email, crypto email, passwordless email, ethereum email, solana email, DAO governance email"
/>
<meta name="author" content="Sudobility Inc" />
<meta
name="robots"
content="index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1"
/>
<!-- Canonical URL - dynamically set by SEOHead.tsx based on current route -->
<!-- Open Graph / Facebook -->
<meta property="og:type" content="website" />
<meta
property="og:title"
content="Signic - Web3 Email Platform | Wallet-Based Email"
/>
<meta
property="og:description"
content="Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS and SNS domains as email."
/>
<meta property="og:image" content="https://signic.email/logo.png" />
<meta property="og:site_name" content="Signic" />
<meta property="og:locale" content="en_US" />
<!-- Twitter -->
<meta property="twitter:card" content="summary_large_image" />
<meta property="twitter:url" content="https://signic.email" />
<meta
property="twitter:title"
content="Signic - Web3 Email Platform | Wallet-Based Email"
/>
<meta
property="twitter:description"
content="Free Web3 email platform with wallet-based authentication. Use ENS and SNS domains as email, with DAO governance tools."
/>
<meta property="twitter:image" content="https://signic.email/logo.png" />
<meta property="twitter:creator" content="@signicemail" />
<meta property="twitter:site" content="@signicemail" />
<!-- Application Meta -->
<meta name="application-name" content="Signic" />
<meta name="msapplication-TileColor" content="#3b82f6" />
<meta name="referrer" content="origin-when-cross-origin" />
<meta name="format-detection" content="telephone=no" />
<meta name="mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="default" />
<meta name="apple-mobile-web-app-title" content="Signic" />
<meta name="copyright" content="Sudobility Inc. All rights reserved." />
<!-- PWA -->
<link rel="manifest" href="/manifest.json" />
<!-- DNS Prefetch and Preconnect -->
<link rel="dns-prefetch" href="//fonts.googleapis.com" />
<link rel="dns-prefetch" href="//fonts.gstatic.com" />
<link rel="dns-prefetch" href="//api.signic.email" />
<link rel="dns-prefetch" href="//signic.email" />
<link rel="dns-prefetch" href="//walletconnect.com" />
<link rel="dns-prefetch" href="//phantom.app" />
<link rel="dns-prefetch" href="//metamask.io" />
<!-- Preconnect for critical third-party domains -->
<link rel="preconnect" href="https://api.signic.email" crossorigin />
<link rel="preconnect" href="https://fonts.googleapis.com" crossorigin />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<!-- Preconnect to Firebase (for analytics and performance) -->
<link rel="preconnect" href="https://firebaseinstallations.googleapis.com" crossorigin />
<link rel="preconnect" href="https://www.google-analytics.com" crossorigin />
<!-- Preconnect to RPC providers (only establish connection, don't load) -->
<link rel="preconnect" href="https://eth-mainnet.g.alchemy.com" crossorigin />
<link rel="preconnect" href="https://solana-mainnet.g.alchemy.com" crossorigin />
<!-- Above-the-fold CSS inline for fastest render -->
<style>
/* Critical CSS for initial paint - Optimized for LCP */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
margin: 0;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
background: #fff;
color: #111827;
line-height: 1.5;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
/* Critical above-the-fold hero styles for immediate paint */
.hero-gradient {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 80vh;
display: flex;
align-items: center;
justify-content: center;
color: white;
}
.hero-content {
max-width: 1200px;
padding: 2rem;
text-align: center;
}
h1 {
font-size: clamp(2rem, 5vw, 3.5rem);
font-weight: 700;
line-height: 1.2;
margin-bottom: 1rem;
}
.loading {
display: flex;
align-items: center;
justify-content: center;
min-height: 100vh;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.spinner {
width: 40px;
height: 40px;
border: 4px solid rgba(255, 255, 255, 0.3);
border-top: 4px solid white;
border-radius: 50%;
animation: spin 1s linear infinite;
}
@keyframes spin {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
#root {
min-height: 100vh;
}
/* Prevent layout shift */
img {
max-width: 100%;
height: auto;
display: block;
}
</style>
<!-- Web3 provider optimization - DNS prefetch only (loaded lazily) -->
<link rel="dns-prefetch" href="//ethereum-api.xyz" />
<link rel="dns-prefetch" href="//polygon-rpc.com" />
<link rel="dns-prefetch" href="//solana-api.mainnet-beta.solana.com" />
<link rel="dns-prefetch" href="//rpc.ankr.com" />
<!-- Wallet provider DNS prefetch - connections established on demand -->
<link rel="dns-prefetch" href="//walletconnect.org" />
<link rel="dns-prefetch" href="//safe-transaction.mainnet.gnosis.io" />
<!-- CDN optimizations -->
<link rel="dns-prefetch" href="//cdn.jsdelivr.net" />
<link rel="dns-prefetch" href="//unpkg.com" />
<!-- Service worker registration hint -->
<link rel="prefetch" href="/sw.js" />
<!-- Font loading - deferred for LCP -->
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link
href="https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400;500;600;700&display=swap"
rel="stylesheet"
media="print"
onload="this.media = 'all'"
/>
<noscript>
<link
href="https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400;500;600;700&display=swap"
rel="stylesheet"
/>
</noscript>
<!-- Structured Data -->
<script type="application/ld+json">
[
{
"@context": "https://schema.org",
"@type": "WebApplication",
"name": "Signic",
"alternateName": ["signic.email", "Web3 Email Platform"],
"description": "Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS (.eth) and SNS (.sol) domains as email with multi-chain support.",
"url": "https://signic.email",
"applicationCategory": ["BusinessApplication", "CommunicationApplication"],
"operatingSystem": "Web Browser",
"browserRequirements": "HTML5, JavaScript enabled, Web3 wallet (MetaMask, Phantom, WalletConnect)",
"softwareRequirements": "Web3 wallet extension or mobile app",
"datePublished": "2024-01-01",
"dateModified": "2026-07-11",
"isAccessibleForFree": true,
"featureList": [
"Wallet-based authentication - no passwords required",
"ENS domain email support (.eth domains)",
"Solana Name Service email support (.sol domains)",
"Multi-chain support (Ethereum, Solana, Polygon, Arbitrum, Optimism)",
"Smart contract email notifications",
"DAO governance email tools",
"Email delegation for teams and DAOs",
"Web2/Web3 bridge communication"
],
"offers": [
{
"@type": "Offer",
"name": "Free Web3 Email",
"price": "0",
"priceCurrency": "USD",
"description": "Free wallet-based email address"
},
{
"@type": "Offer",
"name": "Premium ENS/SNS Email",
"price": "2",
"priceCurrency": "USD",
"description": "Use your ENS or SNS domain as email address"
}
],
"author": {
"@type": "Organization",
"name": "Signic",
"url": "https://signic.email"
},
"installUrl": "https://signic.email/connect",
"screenshot": "https://signic.email/logo.png"
},
{
"@context": "https://schema.org",
"@type": "Organization",
"@id": "https://signic.email/#organization",
"name": "Signic",
"url": "https://signic.email",
"logo": "https://signic.email/logo.png",
"description": "Web3 email platform connecting blockchain wallets to email addresses with multi-chain support.",
"foundingDate": "2024-01-01",
"contactPoint": {
"@type": "ContactPoint",
"contactType": "customer service",
"email": "[email protected]",
"availableLanguage": "English"
},
"sameAs": ["https://twitter.com/signicemail", "", "https://discord.gg/upkNXbksVF"]
},
{
"@context": "https://schema.org",
"@type": "WebSite",
"@id": "https://signic.email/#website",
"name": "Signic",
"url": "https://signic.email",
"potentialAction": {
"@type": "SearchAction",
"target": "https://signic.email/search?q={search_term_string}",
"query-input": "required name=search_term_string"
},
"publisher": {
"@id": "https://signic.email/#organization"
}
},
{
"@context": "https://schema.org",
"@type": "HowTo",
"name": "How to Set Up Web3 Email with Crypto Wallet",
"description": "Step-by-step guide to connect your crypto wallet and start using Web3 email with ENS domains",
"image": "https://signic.email/logo.png",
"totalTime": "PT5M",
"estimatedCost": {
"@type": "MonetaryAmount",
"currency": "USD",
"value": "0"
},
"supply": [
{
"@type": "HowToSupply",
"name": "Web3 Wallet (MetaMask, Phantom, etc.)"
},
{
"@type": "HowToSupply",
"name": "ENS domain (optional but recommended)"
}
],
"tool": [
{
"@type": "HowToTool",
"name": "Web browser with wallet extension"
}
],
"step": [
{
"@type": "HowToStep",
"name": "Connect Your Wallet",
"text": "Visit signic.email and click 'Connect Wallet'. Select your preferred wallet (MetaMask, Phantom, Coinbase, etc.) and approve the connection."
},
{
"@type": "HowToStep",
"name": "Verify Your Identity",
"text": "Sign a verification message with your wallet to prove ownership. This creates your Web3 email account linked to your wallet address."
},
{
"@type": "HowToStep",
"name": "Configure Email Address",
"text": "If you own an ENS domain (.eth) or SNS domain (.sol), it automatically becomes your email address. Otherwise, use your wallet address or create a custom alias."
},
{
"@type": "HowToStep",
"name": "Start Using Web3 Email",
"text": "Access your inbox, compose messages, and enjoy passwordless email. Set up smart contract notifications and DAO governance alerts as needed."
}
]
}
]
</script>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.tsx?t=1783798028296"></script>
</body>
</html>
둘
가져오기 인터페이스
~1분컨트랙트에 IMailBox 인터페이스를 가져오세요.
가져오기-인터페이스.sol
<!doctype html>
<html lang="en">
<head>
<script type="module">import { injectIntoGlobalHook } from "/@react-refresh";
injectIntoGlobalHook(window);
window.$RefreshReg$ = () => {};
window.$RefreshSig$ = () => (type) => type;</script>
<script type="module" src="/@vite/client"></script>
<meta charset="UTF-8" />
<!-- Safari JSON-LD error handler - suppress non-critical structured data errors -->
<script>
window.onerror = function (m) {
if (m && m.indexOf && m.indexOf('@context') !== -1) return true;
return false;
};
</script>
<!-- Favicon and Icons -->
<link rel="icon" type="image/png" href="/favicon.ico" />
<link rel="apple-touch-icon" href="/favicon-192.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon.ico" />
<link rel="icon" type="image/png" sizes="192x192" href="/favicon-192.png" />
<link rel="icon" type="image/png" sizes="512x512" href="/favicon-512.png" />
<!-- Viewport and Basic Meta -->
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="theme-color" content="#3b82f6" />
<!-- Security Headers -->
<meta http-equiv="X-Content-Type-Options" content="nosniff" />
<meta http-equiv="X-XSS-Protection" content="1; mode=block" />
<meta http-equiv="Referrer-Policy" content="strict-origin-when-cross-origin" />
<meta
http-equiv="Permissions-Policy"
content="camera=(), microphone=(), geolocation=(), interest-cohort=()"
/>
<!-- Primary Meta Tags -->
<title>Signic - Web3 Email Platform | Wallet-Based Email</title>
<meta name="title" content="Signic - Web3 Email Platform | Wallet-Based Email" />
<meta
name="description"
content="Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS (.eth) and SNS (.sol) domains as email, with multi-chain support for Ethereum, Solana, and Polygon."
/>
<meta
name="keywords"
content="Web3 email, blockchain email, wallet email, ENS email, SNS email, decentralized email, crypto email, passwordless email, ethereum email, solana email, DAO governance email"
/>
<meta name="author" content="Sudobility Inc" />
<meta
name="robots"
content="index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1"
/>
<!-- Canonical URL - dynamically set by SEOHead.tsx based on current route -->
<!-- Open Graph / Facebook -->
<meta property="og:type" content="website" />
<meta
property="og:title"
content="Signic - Web3 Email Platform | Wallet-Based Email"
/>
<meta
property="og:description"
content="Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS and SNS domains as email."
/>
<meta property="og:image" content="https://signic.email/logo.png" />
<meta property="og:site_name" content="Signic" />
<meta property="og:locale" content="en_US" />
<!-- Twitter -->
<meta property="twitter:card" content="summary_large_image" />
<meta property="twitter:url" content="https://signic.email" />
<meta
property="twitter:title"
content="Signic - Web3 Email Platform | Wallet-Based Email"
/>
<meta
property="twitter:description"
content="Free Web3 email platform with wallet-based authentication. Use ENS and SNS domains as email, with DAO governance tools."
/>
<meta property="twitter:image" content="https://signic.email/logo.png" />
<meta property="twitter:creator" content="@signicemail" />
<meta property="twitter:site" content="@signicemail" />
<!-- Application Meta -->
<meta name="application-name" content="Signic" />
<meta name="msapplication-TileColor" content="#3b82f6" />
<meta name="referrer" content="origin-when-cross-origin" />
<meta name="format-detection" content="telephone=no" />
<meta name="mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="default" />
<meta name="apple-mobile-web-app-title" content="Signic" />
<meta name="copyright" content="Sudobility Inc. All rights reserved." />
<!-- PWA -->
<link rel="manifest" href="/manifest.json" />
<!-- DNS Prefetch and Preconnect -->
<link rel="dns-prefetch" href="//fonts.googleapis.com" />
<link rel="dns-prefetch" href="//fonts.gstatic.com" />
<link rel="dns-prefetch" href="//api.signic.email" />
<link rel="dns-prefetch" href="//signic.email" />
<link rel="dns-prefetch" href="//walletconnect.com" />
<link rel="dns-prefetch" href="//phantom.app" />
<link rel="dns-prefetch" href="//metamask.io" />
<!-- Preconnect for critical third-party domains -->
<link rel="preconnect" href="https://api.signic.email" crossorigin />
<link rel="preconnect" href="https://fonts.googleapis.com" crossorigin />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<!-- Preconnect to Firebase (for analytics and performance) -->
<link rel="preconnect" href="https://firebaseinstallations.googleapis.com" crossorigin />
<link rel="preconnect" href="https://www.google-analytics.com" crossorigin />
<!-- Preconnect to RPC providers (only establish connection, don't load) -->
<link rel="preconnect" href="https://eth-mainnet.g.alchemy.com" crossorigin />
<link rel="preconnect" href="https://solana-mainnet.g.alchemy.com" crossorigin />
<!-- Above-the-fold CSS inline for fastest render -->
<style>
/* Critical CSS for initial paint - Optimized for LCP */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
margin: 0;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
background: #fff;
color: #111827;
line-height: 1.5;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
/* Critical above-the-fold hero styles for immediate paint */
.hero-gradient {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 80vh;
display: flex;
align-items: center;
justify-content: center;
color: white;
}
.hero-content {
max-width: 1200px;
padding: 2rem;
text-align: center;
}
h1 {
font-size: clamp(2rem, 5vw, 3.5rem);
font-weight: 700;
line-height: 1.2;
margin-bottom: 1rem;
}
.loading {
display: flex;
align-items: center;
justify-content: center;
min-height: 100vh;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.spinner {
width: 40px;
height: 40px;
border: 4px solid rgba(255, 255, 255, 0.3);
border-top: 4px solid white;
border-radius: 50%;
animation: spin 1s linear infinite;
}
@keyframes spin {
0% {
transform: rotate(0deg);
}
100% {
transform: rotate(360deg);
}
}
#root {
min-height: 100vh;
}
/* Prevent layout shift */
img {
max-width: 100%;
height: auto;
display: block;
}
</style>
<!-- Web3 provider optimization - DNS prefetch only (loaded lazily) -->
<link rel="dns-prefetch" href="//ethereum-api.xyz" />
<link rel="dns-prefetch" href="//polygon-rpc.com" />
<link rel="dns-prefetch" href="//solana-api.mainnet-beta.solana.com" />
<link rel="dns-prefetch" href="//rpc.ankr.com" />
<!-- Wallet provider DNS prefetch - connections established on demand -->
<link rel="dns-prefetch" href="//walletconnect.org" />
<link rel="dns-prefetch" href="//safe-transaction.mainnet.gnosis.io" />
<!-- CDN optimizations -->
<link rel="dns-prefetch" href="//cdn.jsdelivr.net" />
<link rel="dns-prefetch" href="//unpkg.com" />
<!-- Service worker registration hint -->
<link rel="prefetch" href="/sw.js" />
<!-- Font loading - deferred for LCP -->
<link rel="preconnect" href="https://fonts.googleapis.com" />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
<link
href="https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400;500;600;700&display=swap"
rel="stylesheet"
media="print"
onload="this.media = 'all'"
/>
<noscript>
<link
href="https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400;500;600;700&display=swap"
rel="stylesheet"
/>
</noscript>
<!-- Structured Data -->
<script type="application/ld+json">
[
{
"@context": "https://schema.org",
"@type": "WebApplication",
"name": "Signic",
"alternateName": ["signic.email", "Web3 Email Platform"],
"description": "Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS (.eth) and SNS (.sol) domains as email with multi-chain support.",
"url": "https://signic.email",
"applicationCategory": ["BusinessApplication", "CommunicationApplication"],
"operatingSystem": "Web Browser",
"browserRequirements": "HTML5, JavaScript enabled, Web3 wallet (MetaMask, Phantom, WalletConnect)",
"softwareRequirements": "Web3 wallet extension or mobile app",
"datePublished": "2024-01-01",
"dateModified": "2026-07-11",
"isAccessibleForFree": true,
"featureList": [
"Wallet-based authentication - no passwords required",
"ENS domain email support (.eth domains)",
"Solana Name Service email support (.sol domains)",
"Multi-chain support (Ethereum, Solana, Polygon, Arbitrum, Optimism)",
"Smart contract email notifications",
"DAO governance email tools",
"Email delegation for teams and DAOs",
"Web2/Web3 bridge communication"
],
"offers": [
{
"@type": "Offer",
"name": "Free Web3 Email",
"price": "0",
"priceCurrency": "USD",
"description": "Free wallet-based email address"
},
{
"@type": "Offer",
"name": "Premium ENS/SNS Email",
"price": "2",
"priceCurrency": "USD",
"description": "Use your ENS or SNS domain as email address"
}
],
"author": {
"@type": "Organization",
"name": "Signic",
"url": "https://signic.email"
},
"installUrl": "https://signic.email/connect",
"screenshot": "https://signic.email/logo.png"
},
{
"@context": "https://schema.org",
"@type": "Organization",
"@id": "https://signic.email/#organization",
"name": "Signic",
"url": "https://signic.email",
"logo": "https://signic.email/logo.png",
"description": "Web3 email platform connecting blockchain wallets to email addresses with multi-chain support.",
"foundingDate": "2024-01-01",
"contactPoint": {
"@type": "ContactPoint",
"contactType": "customer service",
"email": "[email protected]",
"availableLanguage": "English"
},
"sameAs": ["https://twitter.com/signicemail", "", "https://discord.gg/upkNXbksVF"]
},
{
"@context": "https://schema.org",
"@type": "WebSite",
"@id": "https://signic.email/#website",
"name": "Signic",
"url": "https://signic.email",
"potentialAction": {
"@type": "SearchAction",
"target": "https://signic.email/search?q={search_term_string}",
"query-input": "required name=search_term_string"
},
"publisher": {
"@id": "https://signic.email/#organization"
}
},
{
"@context": "https://schema.org",
"@type": "HowTo",
"name": "How to Set Up Web3 Email with Crypto Wallet",
"description": "Step-by-step guide to connect your crypto wallet and start using Web3 email with ENS domains",
"image": "https://signic.email/logo.png",
"totalTime": "PT5M",
"estimatedCost": {
"@type": "MonetaryAmount",
"currency": "USD",
"value": "0"
},
"supply": [
{
"@type": "HowToSupply",
"name": "Web3 Wallet (MetaMask, Phantom, etc.)"
},
{
"@type": "HowToSupply",
"name": "ENS domain (optional but recommended)"
}
],
"tool": [
{
"@type": "HowToTool",
"name": "Web browser with wallet extension"
}
],
"step": [
{
"@type": "HowToStep",
"name": "Connect Your Wallet",
"text": "Visit signic.email and click 'Connect Wallet'. Select your preferred wallet (MetaMask, Phantom, Coinbase, etc.) and approve the connection."
},
{
"@type": "HowToStep",
"name": "Verify Your Identity",
"text": "Sign a verification message with your wallet to prove ownership. This creates your Web3 email account linked to your wallet address."
},
{
"@type": "HowToStep",
"name": "Configure Email Address",
"text": "If you own an ENS domain (.eth) or SNS domain (.sol), it automatically becomes your email address. Otherwise, use your wallet address or create a custom alias."
},
{
"@type": "HowToStep",
"name": "Start Using Web3 Email",
"text": "Access your inbox, compose messages, and enjoy passwordless email. Set up smart contract notifications and DAO governance alerts as needed."
}
]
}
]
</script>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.tsx?t=1783798028296"></script>
</body>
</html>
삼
이메일 보내기
~5분컨트랙트 로직에서 `sendEmail` 함수를 호출하세요.
이메일 전송.sol
<!doctype html>
<html lang="en">
<head>
<script type="module">import { injectIntoGlobalHook } from "/@react-refresh";
injectIntoGlobalHook(window);
window.$RefreshReg$ = () => {};
window.$RefreshSig$ = () => (type) => type;</script>
<script type="module" src="/@vite/client"></script>
<meta charset="UTF-8" />
<!-- Safari JSON-LD error handler - suppress non-critical structured data errors -->
<script>
window.onerror = function (m) {
if (m && m.indexOf && m.indexOf('@context') !== -1) return true;
return false;
};
</script>
<!-- Favicon and Icons -->
<link rel="icon" type="image/png" href="/favicon.ico" />
<link rel="apple-touch-icon" href="/favicon-192.png" />
<link rel="icon" type="image/png" sizes="16x16" href="/favicon-16.png" />
<link rel="icon" type="image/png" sizes="32x32" href="/favicon.ico" />
<link rel="icon" type="image/png" sizes="192x192" href="/favicon-192.png" />
<link rel="icon" type="image/png" sizes="512x512" href="/favicon-512.png" />
<!-- Viewport and Basic Meta -->
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="theme-color" content="#3b82f6" />
<!-- Security Headers -->
<meta http-equiv="X-Content-Type-Options" content="nosniff" />
<meta http-equiv="X-XSS-Protection" content="1; mode=block" />
<meta http-equiv="Referrer-Policy" content="strict-origin-when-cross-origin" />
<meta
http-equiv="Permissions-Policy"
content="camera=(), microphone=(), geolocation=(), interest-cohort=()"
/>
<!-- Primary Meta Tags -->
<title>Signic - Web3 Email Platform | Wallet-Based Email</title>
<meta name="title" content="Signic - Web3 Email Platform | Wallet-Based Email" />
<meta
name="description"
content="Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS (.eth) and SNS (.sol) domains as email, with multi-chain support for Ethereum, Solana, and Polygon."
/>
<meta
name="keywords"
content="Web3 email, blockchain email, wallet email, ENS email, SNS email, decentralized email, crypto email, passwordless email, ethereum email, solana email, DAO governance email"
/>
<meta name="author" content="Sudobility Inc" />
<meta
name="robots"
content="index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1"
/>
<!-- Canonical URL - dynamically set by SEOHead.tsx based on current route -->
<!-- Open Graph / Facebook -->
<meta property="og:type" content="website" />
<meta
property="og:title"
content="Signic - Web3 Email Platform | Wallet-Based Email"
/>
<meta
property="og:description"
content="Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS and SNS domains as email."
/>
<meta property="og:image" content="https://signic.email/logo.png" />
<meta property="og:site_name" content="Signic" />
<meta property="og:locale" content="en_US" />
<!-- Twitter -->
<meta property="twitter:card" content="summary_large_image" />
<meta property="twitter:url" content="https://signic.email" />
<meta
property="twitter:title"
content="Signic - Web3 Email Platform | Wallet-Based Email"
/>
<meta
property="twitter:description"
content="Free Web3 email platform with wallet-based authentication. Use ENS and SNS domains as email, with DAO governance tools."
/>
<meta property="twitter:image" content="https://signic.email/logo.png" />
<meta property="twitter:creator" content="@signicemail" />
<meta property="twitter:site" content="@signicemail" />
<!-- Application Meta -->
<meta name="application-name" content="Signic" />
<meta name="msapplication-TileColor" content="#3b82f6" />
<meta name="referrer" content="origin-when-cross-origin" />
<meta name="format-detection" content="telephone=no" />
<meta name="mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="default" />
<meta name="apple-mobile-web-app-title" content="Signic" />
<meta name="copyright" content="Sudobility Inc. All rights reserved." />
<!-- PWA -->
<link rel="manifest" href="/manifest.json" />
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<link rel="dns-prefetch" href="//fonts.googleapis.com" />
<link rel="dns-prefetch" href="//fonts.gstatic.com" />
<link rel="dns-prefetch" href="//api.signic.email" />
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<link rel="dns-prefetch" href="//metamask.io" />
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<link rel="preconnect" href="https://api.signic.email" crossorigin />
<link rel="preconnect" href="https://fonts.googleapis.com" crossorigin />
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />
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<link rel="preconnect" href="https://firebaseinstallations.googleapis.com" crossorigin />
<link rel="preconnect" href="https://www.google-analytics.com" crossorigin />
<!-- Preconnect to RPC providers (only establish connection, don't load) -->
<link rel="preconnect" href="https://eth-mainnet.g.alchemy.com" crossorigin />
<link rel="preconnect" href="https://solana-mainnet.g.alchemy.com" crossorigin />
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<style>
/* Critical CSS for initial paint - Optimized for LCP */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
margin: 0;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
background: #fff;
color: #111827;
line-height: 1.5;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
/* Critical above-the-fold hero styles for immediate paint */
.hero-gradient {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
min-height: 80vh;
display: flex;
align-items: center;
justify-content: center;
color: white;
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.hero-content {
max-width: 1200px;
padding: 2rem;
text-align: center;
}
h1 {
font-size: clamp(2rem, 5vw, 3.5rem);
font-weight: 700;
line-height: 1.2;
margin-bottom: 1rem;
}
.loading {
display: flex;
align-items: center;
justify-content: center;
min-height: 100vh;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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width: 40px;
height: 40px;
border: 4px solid rgba(255, 255, 255, 0.3);
border-top: 4px solid white;
border-radius: 50%;
animation: spin 1s linear infinite;
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@keyframes spin {
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transform: rotate(0deg);
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100% {
transform: rotate(360deg);
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}
#root {
min-height: 100vh;
}
/* Prevent layout shift */
img {
max-width: 100%;
height: auto;
display: block;
}
</style>
<!-- Web3 provider optimization - DNS prefetch only (loaded lazily) -->
<link rel="dns-prefetch" href="//ethereum-api.xyz" />
<link rel="dns-prefetch" href="//polygon-rpc.com" />
<link rel="dns-prefetch" href="//solana-api.mainnet-beta.solana.com" />
<link rel="dns-prefetch" href="//rpc.ankr.com" />
<!-- Wallet provider DNS prefetch - connections established on demand -->
<link rel="dns-prefetch" href="//walletconnect.org" />
<link rel="dns-prefetch" href="//safe-transaction.mainnet.gnosis.io" />
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<link rel="dns-prefetch" href="//cdn.jsdelivr.net" />
<link rel="dns-prefetch" href="//unpkg.com" />
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<link rel="prefetch" href="/sw.js" />
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<link
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rel="stylesheet"
media="print"
onload="this.media = 'all'"
/>
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href="https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400;500;600;700&display=swap"
rel="stylesheet"
/>
</noscript>
<!-- Structured Data -->
<script type="application/ld+json">
[
{
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"@type": "WebApplication",
"name": "Signic",
"alternateName": ["signic.email", "Web3 Email Platform"],
"description": "Free Web3 email platform connecting crypto wallets to email addresses. No passwords needed - your wallet is your identity. Use ENS (.eth) and SNS (.sol) domains as email with multi-chain support.",
"url": "https://signic.email",
"applicationCategory": ["BusinessApplication", "CommunicationApplication"],
"operatingSystem": "Web Browser",
"browserRequirements": "HTML5, JavaScript enabled, Web3 wallet (MetaMask, Phantom, WalletConnect)",
"softwareRequirements": "Web3 wallet extension or mobile app",
"datePublished": "2024-01-01",
"dateModified": "2026-07-11",
"isAccessibleForFree": true,
"featureList": [
"Wallet-based authentication - no passwords required",
"ENS domain email support (.eth domains)",
"Solana Name Service email support (.sol domains)",
"Multi-chain support (Ethereum, Solana, Polygon, Arbitrum, Optimism)",
"Smart contract email notifications",
"DAO governance email tools",
"Email delegation for teams and DAOs",
"Web2/Web3 bridge communication"
],
"offers": [
{
"@type": "Offer",
"name": "Free Web3 Email",
"price": "0",
"priceCurrency": "USD",
"description": "Free wallet-based email address"
},
{
"@type": "Offer",
"name": "Premium ENS/SNS Email",
"price": "2",
"priceCurrency": "USD",
"description": "Use your ENS or SNS domain as email address"
}
],
"author": {
"@type": "Organization",
"name": "Signic",
"url": "https://signic.email"
},
"installUrl": "https://signic.email/connect",
"screenshot": "https://signic.email/logo.png"
},
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"name": "Signic",
"url": "https://signic.email",
"logo": "https://signic.email/logo.png",
"description": "Web3 email platform connecting blockchain wallets to email addresses with multi-chain support.",
"foundingDate": "2024-01-01",
"contactPoint": {
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"contactType": "customer service",
"email": "[email protected]",
"availableLanguage": "English"
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},
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"@id": "https://signic.email/#website",
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"url": "https://signic.email",
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"@id": "https://signic.email/#organization"
}
},
{
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"@type": "HowTo",
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{
"@type": "HowToSupply",
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},
{
"@type": "HowToSupply",
"name": "ENS domain (optional but recommended)"
}
],
"tool": [
{
"@type": "HowToTool",
"name": "Web browser with wallet extension"
}
],
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{
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"name": "Connect Your Wallet",
"text": "Visit signic.email and click 'Connect Wallet'. Select your preferred wallet (MetaMask, Phantom, Coinbase, etc.) and approve the connection."
},
{
"@type": "HowToStep",
"name": "Verify Your Identity",
"text": "Sign a verification message with your wallet to prove ownership. This creates your Web3 email account linked to your wallet address."
},
{
"@type": "HowToStep",
"name": "Configure Email Address",
"text": "If you own an ENS domain (.eth) or SNS domain (.sol), it automatically becomes your email address. Otherwise, use your wallet address or create a custom alias."
},
{
"@type": "HowToStep",
"name": "Start Using Web3 Email",
"text": "Access your inbox, compose messages, and enjoy passwordless email. Set up smart contract notifications and DAO governance alerts as needed."
}
]
}
]
</script>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.tsx?t=1783798028296"></script>
</body>
</html>
고급 기능
복잡한 사용 사례를 위한 강력한 기능
조건부 논리
복잡한 온체인 조건에 따라 이메일을 전송합니다
예시:
사용자의 포지션 규모가 $1,000를 초과하고 헬스 팩터가 150% 미만일 때만 알림을 보냅니다.
대량 작업
한 번에 여러 사용자에게 이메일 보내기
예시:
새로운 인센티브 프로그램이 시작될 때 모든 LP 제공자에게 알립니다
템플릿 변수
거래 데이터 기반 동적 콘텐츠
예시:
확인 시 스왑 금액, 수수료, 슬리피지 및 트랜잭션 해시를 포함하세요
재시도 로직
실패한 이메일 전송에 대한 자동 재시도
예시:
중요 알림을 지수 백오프를 사용해 최대 3회까지 재시도합니다.
성공 사례
프로토콜이 스마트 계약 이메일로 사용자 경험을 어떻게 변화시켰는가
DeFi Yield Protocol
통합:
자동 보상 알림 + 청산 경고
-67%
liquidations
플러스 145%
user Retention
-80%
support Tickets
"스마트 계약 이메일 덕분에 청산 이벤트가 67% 감소했습니다. 사용자는 이제 적시에 경고를 받고, 너무 늦기 전에 조치를 취할 수 있습니다."
NFT Marketplace
통합:
입찰 알림 + 판매 확인
+234%
bid Activity
플러스 156%
sales Volume
+89%
return Buyers
"자동 입찰 알림이 우리 시장을 혁신했습니다. 판매자는 더 빠르게 반응하고, 구매자는 경매 전반에 걸쳐 참여를 유지합니다."
게임 프로토콜
통합:
업적 잠금 해제 및 보상 분배
플러스 178%
daily Active
+267%
quest Completion
+145%
token Earnings
"플레이어들은 업적을 잠금 해제할 때 즉시 알림을 받는 것을 좋아합니다. 이는 게임화가 한 단계 끌어올린 것입니다."