# CRYPTO

`CRYPTO` is the wallet rail used to move funds to or from external blockchain wallets.

**Country:** Global\
**Currency:** USDC, USDT (network dependent)\
**Direction:** Pay-in / Pay-out

## Required fields

* `type` (`string`): Must be `"CRYPTO"`.
* `currency` (`string`): Settlement currency for the flow.
* `wallet.address` (`string`): Source or destination wallet address.

## Optional fields

* `wallet.provider` (`string`): Provider identifier.
* `wallet.referenceId` (`string`): External wallet identifier.
* `wallet.token` (`string`): Token symbol.
* `wallet.network` (`string`): Chain/network (for example `ETH`, `TRON`, `SOLANA`).

## Example

```json
{
  "type": "CRYPTO",
  "currency": "USDC",
  "wallet": {
    "address": "0x1234567890abcdef1234567890abcdef12345678",
    "network": "ETH",
    "token": "USDC"
  }
}
```

## Valid combinations

* `CRYPTO` -> `ACCOUNT`
* `ACCOUNT` -> `CRYPTO`

## OpenAPI reference

* Spec: `conomyhq-api`
* Component: `wallet`
* Source: [Payment API.yaml](https://raw.githubusercontent.com/conomyapp/gitbook-docs/main/.gitbook/assets/Payment%20API.yaml)