Release Notes

Release Notes - Stablecoins - 2025

2025 release notes for Stablecoins.

Added support for CCTP v2 on the Polygon PoS mainnet.

Updated the following documentation to reflect support for Polygon:

Added support for CCTP v2 on the Unichain mainnet.

Updated the following documentation to reflect support for Unichain mainnet:

Added support for CCTP v2 on the Codex mainnet.

Updated the following documentation to reflect support for Codex mainnet:

Added support for CCTP v2 on the Solana mainnet.

Updated the following documentation to reflect support for Solana mainnet:

Added support for CCTP v2 on the OP Mainnet.

Updated the following documentation to reflect support for OP Mainnet:

  • Added support for USDC on the Ripple Ledger (XRPL).
  • Added a Quickstart for USDC on XRPL, featuring a script that demonstrates how to set up a USDC trustline, and prepare the wallet to receive USDC.

Updated the following documentation to reflect support for XRPL:

Added the following documentation to reflect support for XRPL:

  • Added support for CCTP v2 on the following chains: Unichain Sepolia, Solana Devnet, Polygon PoS Amoy.
  • Added a new CCTP v2 endpoint that retrieves both Fast and Standard Transfer fees, and deprecated the endpoint that retrieves Fast Transfer fees only.

Updated the following documentation to reflect support for Unichain Sepolia testnet:

Updated the following documentation to reflect support for the Solana Devnet:

Updated the following documentation to reflect support for the Polygon PoS Amoy testnet:

Added the following CCTP v2 API endpoint:

Deprecated the following CCTP v2 API endpoint:

  • Added support for USDC and CCTP v2 on the Codex mainnet and testnet.
  • Added support for CCTP v2 on the OP Sepolia testnet.

Updated the following documentation to reflect support for Codex chain and OP Sepolia testnet:

  • Added support for USDC bridge-to-native upgrade on World Chain.
  • Added support for CCTP V2 on World Chain mainnet and Sepolia testnet.

Updated the following documentation to reflect support for World Chain:

Added support for USDC bridge-to-native upgrade on Sonic.

Updated the following documentation to reflect support for Sonic:

The following Circle Products have been renamed:

Previous Product nameNew Product name
Cross-Chain Transfer ProtocolCCTP

This name change is part of a broader effort to simplify and align our product naming, creating a more unified developer experience across the Circle platform.

Added support for CCTP V2 on the Linea mainnet.

Updated the following documentation to reflect CCTP V2 support on the Linea mainnet:

Added support for CCTP V2 on the Linea Sepolia testnet.

Updated the following documentation to reflect CCTP V2 support on the Linea Sepolia testnet:

Added support for USDC on the Linea blockchain.

Updated the following documentation to include USDC contract addresses for Linea:

Added CCTP v2 support, featuring Fast Transfer mode, to the following mainnets:

  • Avalanche
  • Base
  • Ethereum

Updated the following documentation to reflect CCTP v2 support on the newly added mainnets:

Removed the Ecosystem Catalog. For sample apps, visit the Sample Projects page.

Added CCTP v2 support to the CCTP Quickstart:

Added support for CCTP v1 on the Unichain blockchain.

Updated the following documentation to reflect CCTP V1 support on Unichain:

Launched the CCTP v2 solution, featuring Fast Transfer mode, on the following testnets:

  • Avalanche Fuji
  • Base Sepolia
  • Ethereum Sepolia

Added the following documentation to reflect CCTP V2 support:

Updated the following documentation to reflect CCTP v2 support:

Added the following CCTP v2 API endpoints:

Added a Quickstart for USDC on Aptos, featuring a web app that demonstrates how to transfer USDC.

Launched the Paymaster solution.

Added the following documentation to support the Paymaster launch:

Added support for CCTP v1 on the Aptos blockchain.

Added the following documentation to reflect CCTP v1 support on Aptos:

Updated the following documentation to reflect CCTP v1 support on Aptos:

Added support for USDC on the Aptos mainnet.

Updated the following documentation to include USDC contract addresses for Aptos:

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