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

# Supported Blockchains

CPN is chain-agnostic and built for multichain flexibility. OFIs can select the
blockchains they operate on, based on their internal risk, compliance,
operational, and security requirements.

The following sections list the blockchains that CPN supports.

## Testnet

| Blockchain       | Transactions V1 | Transactions V2 |
| ---------------- | --------------- | --------------- |
| Ethereum Sepolia | ✅               | ✅               |
| Polygon Amoy     | ✅               | ✅               |
| Solana Devnet    | ✅               | ✅               |

## Mainnet

| Blockchain | Transactions V1 | Transactions V2 |
| ---------- | --------------- | --------------- |
| Ethereum   | ✅               | ✅               |
| Polygon    | ✅               | ✅               |
| Solana     | ✅               | ✅               |