> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dynamic.xyz/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Generate TON Connect Proof

<Card title="Recommended: JavaScript SDK with React Hooks" icon="react" color="#4779FE">
  For new React apps, we recommend the JavaScript SDK with React Hooks (`@dynamic-labs-sdk/react-hooks`) instead of the legacy React SDK documented here. The JS SDK comes with many benefits such as a much smaller bundle size and other optimizations. Use the [React quickstart (JavaScript SDK)](/javascript/reference/react-quickstart) to get started.
</Card>

TON Connect proof is used for authentication with backend services. This generates a cryptographic proof that the user owns the wallet.

```tsx theme={"system"}
import { useDynamicContext } from '@dynamic-labs/sdk-react-core';
import { isTonWallet, TonConnectProof } from '@dynamic-labs/ton';

const GenerateTonConnectProofButton = () => {
  const { primaryWallet } = useDynamicContext();

  const onGenerateProof = async () => {
    if (!primaryWallet || !isTonWallet(primaryWallet)) {
      throw new Error('TON wallet not found');
    }

    // Generate the TON Connect proof
    const payload = 'authentication-challenge-from-backend';
    const proof: TonConnectProof = await primaryWallet.generateTonConnectProof(
      payload,
    );

    console.log('TON Connect Proof:', proof);
    // {
    //   address: "UQ...",
    //   domain: { lengthBytes: 11, value: "example.com" },
    //   timestamp: 1704067200,
    //   payload: "authentication-challenge-from-backend",
    //   signature: "base64-encoded-signature"
    // }

    // Send this proof to your backend for verification
  };

  return <button onClick={onGenerateProof}>Generate TON Connect Proof</button>;
};
```

## TonConnectProof Object

| Field       | Type               | Description                        |
| ----------- | ------------------ | ---------------------------------- |
| `address`   | `string`           | Wallet address                     |
| `domain`    | `TonConnectDomain` | Domain information                 |
| `timestamp` | `number`           | Unix timestamp in seconds          |
| `payload`   | `string`           | The payload string that was signed |
| `signature` | `string`           | Signature as base64 string         |

## TonConnectDomain Object

| Field         | Type     | Description                        |
| ------------- | -------- | ---------------------------------- |
| `lengthBytes` | `number` | Length of domain value in bytes    |
| `value`       | `string` | Domain value (e.g., "example.com") |