> For the complete documentation index, see [llms.txt](https://docs.rigoblock.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.rigoblock.com/solidity-api-reference/protocol/types/crosschaintokens.md).

# CrosschainTokens

## CrosschainTokens

Centralized token addresses to prevent duplication and ensure consistency

*Used by CrosschainLib, tests, and other cross-chain components*

### ETH\_USDC

```solidity
address ETH_USDC
```

### ETH\_USDT

```solidity
address ETH_USDT
```

### ETH\_WETH

```solidity
address ETH_WETH
```

### ETH\_WBTC

```solidity
address ETH_WBTC
```

### ARB\_USDC

```solidity
address ARB_USDC
```

### ARB\_USDT

```solidity
address ARB_USDT
```

### ARB\_WETH

```solidity
address ARB_WETH
```

### ARB\_WBTC

```solidity
address ARB_WBTC
```

### OPT\_USDC

```solidity
address OPT_USDC
```

### OPT\_USDT

```solidity
address OPT_USDT
```

### OPT\_WETH

```solidity
address OPT_WETH
```

### OPT\_WBTC

```solidity
address OPT_WBTC
```

### BASE\_USDC

```solidity
address BASE_USDC
```

### BASE\_USDT

```solidity
address BASE_USDT
```

### BASE\_WETH

```solidity
address BASE_WETH
```

### POLY\_USDC

```solidity
address POLY_USDC
```

### POLY\_USDT

```solidity
address POLY_USDT
```

### POLY\_WETH

```solidity
address POLY_WETH
```

### POLY\_WBTC

```solidity
address POLY_WBTC
```

### BSC\_USDC

```solidity
address BSC_USDC
```

### BSC\_USDT

```solidity
address BSC_USDT
```

### BSC\_WETH

```solidity
address BSC_WETH
```

### UNI\_USDC

```solidity
address UNI_USDC
```

### UNI\_WETH

```solidity
address UNI_WETH
```