> ## Documentation Index
> Fetch the complete documentation index at: https://developer-cn.cregis.com/llms.txt
> Use this file to discover all available pages before exploring further.

# 币种码

## 格式

`currency`支持两种格式:

* 币种名称 (`name`).
* 链编号@币种编号 (`chain_id@token_id`).

## 举例

以下表格中前两个币种的`currency`参数分别为:

* `Ethereum` 或 `60@60`
* `USDT-ERC20` 或 `60@0xdac17f958d2ee523a2206206994597c13d831ec7`

## 币种编码列表

| 币种名称              | 链编号(chain\_id) | 币种编号(token\_id)                                   | 币种精度 |
| ----------------- | -------------- | ------------------------------------------------- | ---- |
| Bitcoin           | 0              | 0                                                 | 8    |
| Ethereum          | 60             | 60                                                | 18   |
| USDT-ERC20        | 60             | 0xdac17f958d2ee523a2206206994597c13d831ec7        | 6    |
| USDC-ERC20        | 60             | 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48        | 6    |
| POL-ERC20         | 60             | 0x455e53cbb86018ac2b8092fdcd39d8444affc3f6        | 18   |
| Uniswap-ERC20     | 60             | 0x1f9840a85d5af5bf1d1762f925bdaddc4201f984        | 18   |
| ChainLink-ERC20   | 60             | 0x514910771af9ca656af840dff83e8264ecf986ca        | 18   |
| SHIB-ERC20        | 60             | 0x95ad61b0a150d79219dcf64e1e6cc01f0b64c4ce        | 18   |
| TRON              | 195            | 195                                               | 6    |
| USDT-TRC20        | 195            | TR7NHqjeKQxGTCi8q8ZY4pL8otSzgjLj6t                | 6    |
| USDC-TRC20        | 195            | TEkxiTehnzSmSe2XqrBj4w32RUN966rdz8                | 6    |
| BNB-BSC           | 2510           | 2510                                              | 18   |
| USDT-BEP20        | 2510           | 0x55d398326f99059ff775485246999027b3197955        | 18   |
| USDC-BEP20        | 2510           | 0x8ac76a51cc950d9822d68b83fe1ad97b32cd580d        | 18   |
| Dogecoin          | 3              | 3                                                 | 8    |
| Litecoin          | 2              | 2                                                 | 8    |
| Bitcoin Cash      | 5              | 5                                                 | 8    |
| POL-Polygon       | 62             | 62                                                | 18   |
| USDT-Polygon      | 62             | 0xc2132d05d31c914a87c6611c10748aeb04b58e8f        | 6    |
| USDC-Polygon      | 62             | 0x3c499c542cef5e3811e1192ce70d8cc03d5c3359        | 6    |
| Arbitrum One      | 63             | 63                                                | 18   |
| USDT-Arbitrum One | 63             | 0xfd086bc7cd5c481dcc9c85ebe478a1c0b69fcbb9        | 6    |
| USDC-Arbitrum One | 63             | 0xaf88d065e77c8cc2239327c5edb3a432268e5831        | 6    |
| Optimism          | 64             | 64                                                | 18   |
| USDT-Optimism     | 64             | 0x94b008aa00579c1307b0ef2c499ad98a8ce58e58        | 6    |
| USDC-Optimism     | 64             | 0x0b2c639c533813f4aa9d7837caf62653d097ff85        | 6    |
| Avalanche-C       | 65             | 65                                                | 18   |
| USDT-Avalanche-C  | 65             | 0x9702230a8ea53601f5cd2dc00fdbc13d4df4a8c7        | 6    |
| USDC-Avalanche-C  | 65             | 0xb97ef9ef8734c71904d8002f8b6bc66dd9c48a6e        | 6    |
| Base              | 66             | 66                                                | 18   |
| USDT-Base         | 66             | 0xfde4c96c8593536e31f229ea8f37b2ada2699bb2        | 6    |
| USDC-Base         | 66             | 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913        | 6    |
| opBNB             | 67             | 67                                                | 18   |
| Solana            | 1000           | 1000                                              | 9    |
| USDT-Solana       | 1000           | Es9vMFrzaCERmJfrF4H2FYD4KCoNkY11McCe8BenwNYB      | 6    |
| USDC-Solana       | 1000           | EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v      | 6    |
| TON               | 2000           | 2000                                              | 9    |
| USDT-Jetton       | 2000           | EQCxE6mUtQJKFnGfaROTKOt1lZbDiiX1kCixRv7Nw2Id\_sDs | 6    |
| Ethereum Classic  | 61             | 61                                                | 18   |
| Filecoin          | 2307           | 2307                                              | 18   |
| XRP-Ripple        | 144            | 144                                               | 6    |
| SUI               | 3000           | 3000                                              | 9    |