Web3 & TON August 2026

TON Connect 2.0 & Web3 Integration for Telegram Mini Apps

By Zentry Web3 Labs • 8 min read

The Open Network (TON) and Telegram represent the largest consumer Web3 ecosystem on the planet. By leveraging TON Connect 2.0, Mini Apps allow users to authenticate non-custodial crypto wallets like Tonkeeper, MyTonWallet, and Telegram Wallet with zero seed phrase exposure.

1. Setting Up the TON Connect Manifest

Host a public tonconnect-manifest.json accessible via HTTPS:

{
  "url": "https://zentry.ir",
  "name": "Zentry Web3 Platform",
  "iconUrl": "https://zentry.ir/assets/images/zentry-icon.png",
  "termsOfUseUrl": "https://zentry.ir/terms/",
  "privacyPolicyUrl": "https://zentry.ir/policy/"
}

2. Initializing TON Connect UI in Javascript

Mount the official TON Connect UI button inside your Mini App:

import { TonConnectUI } from '@tonconnect/ui';

const tonConnectUI = new TonConnectUI({
  manifestUrl: 'https://zentry.ir/tonconnect-manifest.json',
  buttonRootId: 'ton-connect-btn'
});

// Listen for wallet connection
tonConnectUI.onStatusChange((wallet) => {
  if (wallet) {
    console.log('Connected wallet address:', wallet.account.address);
  }
});

3. Sending Jettons and TON Transactions

Construct non-custodial payload transfers directly to smart contracts or merchants:

async function sendTonPayment(recipientAddress, nanoTonAmount) {
  const transaction = {
    validUntil: Math.floor(Date.now() / 1000) + 360,
    messages: [
      {
        address: recipientAddress,
        amount: nanoTonAmount.toString() // e.g. "1000000000" for 1 TON
      }
    ]
  };

  const result = await tonConnectUI.sendTransaction(transaction);
  console.log('BOC Payload:', result.boc);
}