> ## 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.

# Release notes - Stablecoins - 2025

> 2025 release notes for Stablecoins

## December 2025

<Update label="2025.12.18">
  Added support for USDCx on the Stacks mainnet and testnet through xReserve.

  ### Documentation updates

  Updated the following topic to reflect support for USDCx on Stacks:

  * [xReserve Supported Blockchains and Domains](/xreserve/references/supported-blockchains-and-domains)
</Update>

<Update label="2025.12.11">
  Added support for EURC on World Chain.

  ### Documentation updates

  Updated the following documentation to reflect support for World Chain:

  * [EURC contract addresses](/stablecoins/eurc-contract-addresses)
</Update>

<Update label="2025.12.04">
  Launched xReserve with Canton as a remote blockchain partner. Canton provides
  USDCx through xReserve.

  ### Documentation additions

  Added the following new topics to support the launch of xReserve and USDCx on
  Canton:

  * [Quickstart: Deposit USDC into xReserve](/xreserve/tutorials/deposit-usdc-into-xreserve)
  * [Initiate a Withdrawal from xReserve as a Remote Blockchain](/xreserve/tutorials/initiate-a-withdrawal-as-a-remote-blockchain)
  * [xReserve Withdrawal Fees](/xreserve/references/fees)

  ### Documentation updates

  Updated the following topics to reflect support for USDCx on Canton:

  * [xReserve Supported Blockchains and Domains](/xreserve/references/supported-blockchains-and-domains)

  ### API additions

  Added the following new API endpoints:

  * [`GET /v1/attestations/{depositMessageHash}`](/api-reference/xreserve/all/get-attestation)
  * [`GET /v1/remote-domains/{remoteDomain}/attestations`](/api-reference/xreserve/all/list-attestations)
  * [`GET /v1/balances/{remoteDomain}`](/api-reference/xreserve/all/get-balances)
  * [`GET /v1/info`](/api-reference/xreserve/all/get-info)
  * [`POST /v1/prepare-withdrawal`](/api-reference/xreserve/all/prepare-withdrawal)
  * [`POST /v1/withdraw`](/api-reference/xreserve/all/submit-withdrawal)
  * [`GET /v1/withdrawal/{withdrawalId}`](/api-reference/xreserve/all/get-withdrawal-status)
</Update>

<Update label="2025.12.03">
  Added support for CCTP on the Starknet mainnet.

  ### Documentation updates

  Updated the following documentation to reflect support for Starknet mainnet:

  * [USDC Contract Addresses: Mainnet](/stablecoins/usdc-contract-addresses#mainnet)
  * [CCTP Starknet contracts and interfaces](/cctp/starknet-contracts)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP fees](/cctp/technical-guide#cctp-fees)
</Update>

## November 2025

<Update label="2025.11.18">
  Announced the upcoming launch of xReserve.

  ### Documentation additions

  Created the following new topics to support xReserve:

  * [xReserve overview](/xreserve)
  * [xReserve Technical Guide](/xreserve/concepts/technical-guide)
  * [How xReserve works](/xreserve/concepts/how-xreserve-works)
  * [xReserve Supported Blockchains and Domains](/xreserve/references/supported-blockchains-and-domains)
</Update>

<Update label="2025.11.24">
  * Added support for USDC on the Monad mainnet.
  * Added support for CCTP on the Monad mainnet.

  ### Documentation additions

  Added a quickstart to showcase how to transfer USDC on Monad:

  * [Quickstart: Set up and transfer USDC on Monad](/stablecoins/quickstart-setup-transfer-usdc-monad)

  ### Documentation updates

  Updated the following documentation to include the USDC contract address for
  Monad mainnet:

  * [USDC Contract Addresses: Mainnet](/stablecoins/usdc-contract-addresses#mainnet)

  Updated the following documentation to reflect CCTP support on Monad mainnet:

  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
</Update>

<Update label="2025.11.12">
  * Added support for USDC on the Starknet testnet.
  * Added support for CCTP V2 on the Starknet testnet.

  ### Documentation additions

  Added the following documentation to reflect CCTP V2 support on Starknet
  testnet:

  * [CCTP Starknet contracts and interfaces](/cctp/starknet-contracts)

  ### Documentation updates

  Updated the following documentation to include the USDC contract address for
  Starknet testnet:

  * [USDC Contract Addresses: Testnet](/stablecoins/usdc-contract-addresses#testnet)

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

  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
</Update>

## October 2025

<Update label="2025.10.31">
  * Added support for USDC on the Monad Testnet
  * Added support for CCTP V2 on the Monad Testnet

  ### Documentation updates

  Updated the following documentation to include the USDC contract address for
  Monad testnet:

  * [USDC contract addresses](/stablecoins/usdc-contract-addresses)

  Updated the following documentation to reflect support for Monad testnet:

  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
</Update>

<Update label="2025.10.27">
  * Added support for USDC and EURC on Arc testnet
  * Added support for CCTP V2 on Arc testnet

  ### Documentation updates

  Updated the following documentation to include USDC and EURC contract addresses
  for Arc testnet:

  * [USDC contract addresses](/stablecoins/usdc-contract-addresses)
  * [EURC contract addresses](/stablecoins/eurc-contract-addresses)

  Updated the following documentation to reflect support for Arc testnet:

  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
</Update>

## September 2025

<Update label="2025.09.25">
  Added support for CCTP V2 on the Ink blockchain.

  ### Documentation additions

  Added a quickstart to showcase how to transfer USDC on Ink:

  * [Quickstart: Set up and transfer USDC on Ink](/stablecoins/quickstart-setup-transfer-usdc-ink)

  ### Documentation updates

  Updated the following documentation to reflect support for Ink mainnet and
  testnet:

  * [CCTP overview](/cctp)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP fees](/cctp/technical-guide#cctp-fees)
</Update>

<Update label="2025.09.23">
  Added support for CCTP V2 on the Plume mainnet.

  ### Documentation additions

  Added a quickstart to showcase how to transfer USDC on Plume:

  * [Quickstart: Set up and transfer USDC on Plume](/stablecoins/quickstart-setup-transfer-usdc-plume)

  ### Documentation updates

  Updated the following documentation to reflect support for Plume mainnet:

  * [CCTP overview](/cctp)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP fees](/cctp/technical-guide#cctp-fees)
</Update>

<Update label="2025.09.17">
  Added support for CCTP V2 on the XDC mainnet.

  ### Documentation additions

  Added a quickstart to showcase how to transfer USDC on XDC:

  * [Quickstart: Set up and transfer USDC on XDC](/stablecoins/quickstart-setup-transfer-usdc-xdc)

  ### Documentation updates

  Updated the following documentation to reflect support for XDC mainnet:

  * [CCTP overview](/cctp)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP fees](/cctp/technical-guide#cctp-fees)
</Update>

<Update label="2025.09.16">
  * Added support for USDC on the HyperEVM blockchain.
  * Added support for CCTP V2 on the HyperEVM blockchain.

  ### Documentation additions

  Added a quickstart to showcase how to transfer USDC on HyperEVM:

  * [Quickstart: Set up and transfer USDC on HyperEVM](/stablecoins/quickstart-setup-transfer-usdc-hyperevm)

  ### Documentation updates

  Updated the following documentation to include USDC contract addresses for
  HyperEVM mainnet and testnet:

  * [USDC contract addresses](/stablecoins/usdc-contract-addresses)

  Updated the following documentation to reflect support for HyperEVM mainnet and
  testnet:

  * [CCTP overview](/cctp)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP fees](/cctp/technical-guide#cctp-fees)
</Update>

<Update label="2025.09.04">
  * Added support for USDC on the Plume blockchain.
  * Added support for CCTP V2 on the Plume testnet.

  ### Documentation updates

  Updated the following documentation to include USDC contract addresses for Plume
  mainnet and testnet:

  * [USDC contract addresses](/stablecoins/usdc-contract-addresses)

  Updated the following documentation to reflect support for Plume testnet:

  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
</Update>

## August 2025

<Update label="2025.08.26">
  * Added support for USDC on the XDC blockchain.
  * Added support for CCTP V2 on the XDC Apothem testnet.

  ### Documentation updates

  Updated the following documentation to include USDC contract addresses for XDC
  mainnet and testnet:

  * [USDC contract addresses](/stablecoins/usdc-contract-addresses)

  Updated the following documentation to reflect support for XDC Apothem testnet:

  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
</Update>

## July 2025

<Update label="2025.07.24">
  * Added support for CCTP V2 on the Sei mainnet.
  * Updated CCTP V2 Fast Transfer fee and standard message attestation time for
    Codex.

  ### Documentation additions

  Added the following Quickstart to showcase how to transfer USDC on the Sei
  testnet:

  * [Quickstart: Set up and transfer USDC on Sei](/stablecoins/quickstart-setup-transfer-usdc-sei)

  ### Documentation updates

  Updated the following documentation to reflect support for Sei:

  * [CCTP overview](/cctp)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP fees](/cctp/technical-guide#cctp-fees)

  Updated the following documentation to reflect updates to Codex:

  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP fees](/cctp/technical-guide#cctp-fees)
</Update>

<Update label="2025.07.23">
  Added support on CCTP V2 for [USYC](/tokenized/usyc/overview) transfers between
  Ethereum and BNB Smart Chain.

  ### Documentation updates

  Updated documentation to reflect support for USYC transfers between Ethereum and
  BNB Smart Chain using CCTP V2:

  * [CCTP V2 Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP V2 Block Confirmations](/cctp/required-block-confirmations)
</Update>

<Update label="2025.07.10">
  * Added support for USDC on the Sei mainnet and testnet.
  * Added support for CCTP V2 on the Sei testnet.
  * Added support for CCTP V2 Standard Transfer fee switch.

  ### Documentation updates

  Updated the following documentation to reflect support for USDC on Sei and CCTP
  V2 on Sei testnet:

  * [USDC contract addresses](/stablecoins/usdc-contract-addresses)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)

  Updated the following documentation to reflect support for the CCTP V2 Standard
  Transfer fee switch, including an explainer, a new `getMinFeeAmount` function,
  and a new security audit, respectively:

  * [CCTP Standard Transfer Fee Switch](/cctp/technical-guide#standard-transfer-fee-switch)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts#getminfeeamount)
  * [CCTP FAQ](/cctp/cctp-faq#have-the-cctp-smart-contracts-undergone-security-audits)
</Update>

## June 2025

<Update label="2025.06.27">
  Added support for CCTP V2 on the Polygon PoS mainnet.

  ### Documentation updates

  Updated the following documentation to reflect support for Polygon:

  * [CCTP overview](/cctp)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP fees](/cctp/technical-guide#cctp-fees)
</Update>

<Update label="2025.06.26">
  Added support for CCTP V2 on the Unichain mainnet.

  ### Documentation updates

  Updated the following documentation to reflect support for Unichain mainnet:

  * [CCTP overview](/cctp)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP fees](/cctp/technical-guide#cctp-fees)
</Update>

<Update label="2025.06.24">
  Added support for CCTP V2 on the Codex mainnet.

  ### Documentation updates

  Updated the following documentation to reflect support for Codex mainnet:

  * [CCTP overview](/cctp)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP fees](/cctp/technical-guide#cctp-fees)
</Update>

<Update label="2025.06.20">
  Added support for CCTP V2 on the Solana mainnet.

  ### Documentation updates

  Updated the following documentation to reflect support for Solana mainnet:

  * [CCTP overview](/cctp)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP Solana Programs and Interfaces](/cctp/solana-programs)
  * [CCTP fees](/cctp/technical-guide#cctp-fees)
</Update>

<Update label="2025.06.13">
  Added support for CCTP V2 on the OP Mainnet.

  ### Documentation updates

  Updated the following documentation to reflect support for OP Mainnet:

  * [CCTP overview](/cctp)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
</Update>

<Update label="2025.06.12">
  * 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.

  ### Documentation updates

  Updated the following documentation to reflect support for XRPL:

  * [USDC Contract Addresses - Mainnet](/stablecoins/usdc-contract-addresses#mainnet)
  * [USDC Contract Addresses - Testnet](/stablecoins/usdc-contract-addresses#testnet)

  ### Documentation additions

  Added the following documentation to reflect support for XRPL:

  * [Quickstart: Set up a USDC trustline on XRPL](/stablecoins/quickstart-setup-usdc-trustline-xrpl)
</Update>

<Update label="2025.06.10">
  * 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.

  ### Documentation updates

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

  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)

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

  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP Solana Programs and Interfaces](/cctp/solana-programs)

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

  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)

  ### API additions

  Added the following CCTP V2 API endpoint:

  * [`GET /v2/burn/USDC/fees/:sourceDomainId/:destDomainId`](/api-reference/cctp/all/get-burn-usdc-fees)

  ### API updates

  Deprecated the following CCTP V2 API endpoint:

  * `GET /v2/fastBurn/USDC/fees/:sourceDomainId/:destDomainId`
</Update>

<Update label="2025.06.09">
  * Added support for USDC and CCTP V2 on the Codex mainnet and testnet.
  * Added support for CCTP V2 on the OP Sepolia testnet.

  ### Documentation updates

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

  * [USDC contract addresses](/stablecoins/usdc-contract-addresses)
  * [CCTP overview](/cctp)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
</Update>

<Update label="2025.06.03">
  * Added support for USDC bridge-to-native upgrade on World Chain.
  * Added support for CCTP V2 on World Chain mainnet and Sepolia testnet.

  ### Documentation updates

  Updated the following documentation to reflect support for World Chain:

  * [USDC contract addresses](/stablecoins/usdc-contract-addresses)
  * [CCTP overview](/cctp)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
</Update>

## May 2025

<Update label="2025.05.13">
  * Added support for USDC bridge-to-native upgrade on Sonic.
  * Added CCTP V2 support for Sonic.

  ### Documentation additions

  Added the following documentation on Sonic support:

  * [Quickstart: Set up and Transfer USDC on Sonic](/stablecoins/quickstart-setup-transfer-usdc-sonic)

  ### Documentation updates

  Updated the following documentation to reflect support for Sonic:

  * [USDC contract addresses](/stablecoins/usdc-contract-addresses)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
</Update>

## March 2025

<Update label="2025.03.27">
  The following Circle Products have been renamed:

  | Previous Product name         | New Product name |
  | ----------------------------- | ---------------- |
  | Cross-Chain Transfer Protocol | CCTP             |

  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.
</Update>

<Update label="2025.03.26">
  Added support for CCTP V2 on the Linea mainnet.

  ### Documentation updates

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

  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
</Update>

<Update label="2025.03.21">
  Added support for CCTP V2 on the Linea Sepolia testnet.

  ### Documentation updates

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

  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
</Update>

<Update label="2025.03.17">
  Added support for USDC on the Linea blockchain.

  ### Documentation updates

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

  * [USDC contract addresses](/stablecoins/usdc-contract-addresses)
</Update>

<Update label="2025.03.11">
  Added CCTP V2 support, featuring Fast Transfer mode, to the following mainnets:

  * Avalanche
  * Base
  * Ethereum

  ### Documentation additions

  * Added the CCTP V2 white paper URL to the [CCTP Getting Started](/cctp) page.
  * Added CCTP V2 fast transfer support to the
    [CCTP Sample App](/sample-projects#cctp).

  ### Documentation updates

  Updated the following documentation to reflect CCTP V2 support on the newly
  added mainnets:

  * [CCTP overview](/cctp)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP fees](/cctp/technical-guide#cctp-fees)
  * [CCTP FAQ](/cctp/cctp-faq)
</Update>

## February 2025

<Update label="2025.02.28">
  ### Documentation updates

  Removed the Ecosystem Catalog. For sample apps, visit the
  [Sample Projects](/sample-projects) page.
</Update>

<Update label="2025.02.21">
  ### Documentation updates

  Added CCTP V2 fast transfer support to the CCTP Quickstart:

  * [Quickstart: Transfer USDC on testnet from Ethereum to Avalanche](/cctp/transfer-usdc-on-testnet-from-ethereum-to-avalanche)
</Update>

<Update label="2025.02.11">
  Added support for CCTP V1 on the Unichain blockchain.

  ### Documentation updates

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

  * [CCTP overview](/cctp)
  * [CCTP supported blockchains V1](/cctp/v1/cctp-supported-blockchains)
  * [CCTP block confirmations V1](/cctp/v1/required-block-confirmations)
  * [CCTP EVM contracts and interfaces V1](/cctp/v1/evm-smart-contracts)
  * [CCTP chain domains V1](/cctp/v1/supported-domains)
</Update>

<Update label="2025.02.04">
  Launched CCTP V2, featuring **Fast Transfer** mode, on the following testnets:

  * Avalanche Fuji
  * Base Sepolia
  * Ethereum Sepolia

  ### Documentation additions

  Added the following documentation to reflect support for CCTP V2:

  * [CCTP API Hosts and Endpoints](/cctp/technical-guide#cctp-api-hosts-and-endpoints)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP fees](/cctp/technical-guide#cctp-fees)

  ### Documentation updates

  Updated the following documentation to reflect CCTP V2 support:

  * [CCTP overview](/cctp)
  * [CCTP Message Passing](/cctp/technical-guide#cctp-message-passing)
  * [CCTP Supported Chains and Domains](/cctp/cctp-supported-blockchains)
  * [CCTP Block Confirmations](/cctp/required-block-confirmations)
  * [CCTP EVM Contracts and Interfaces](/cctp/evm-smart-contracts)
  * [CCTP limits for burning and minting](/cctp/v1/limits)
  * [CCTP Message Format](/cctp/technical-guide#cctp-message-format)
  * [CCTP FAQ](/cctp/cctp-faq)

  ### API additions

  Added the following CCTP V2 API endpoints:

  * [`GET /v2/publicKeys`](/api-reference/cctp/all/get-public-keys-v2)
  * [`GET /v2/messages/:sourceDomainId`](/api-reference/cctp/all/get-messages-v2)
  * [`POST /v2/reattest/:nonce`](/api-reference/cctp/all/reattest-message)
  * [`GET /v2/fastBurn/USDC/allowance`](/api-reference/cctp/all/get-fast-burn-usdc-allowance)
  * `GET /v2/fastBurn/USDC/fees/:sourceDomainId/:destDomainId`
</Update>

## January 2025

<Update label="2025.01.30">
  Added a Quickstart for USDC on Aptos, featuring a web app that demonstrates how
  to transfer USDC.

  ### Documentation additions

  * [Quickstart: Set up and transfer USDC on Aptos](/stablecoins/quickstart-setup-transfer-usdc-aptos)
</Update>

<Update label="2025.01.23">
  Launched the Paymaster solution.

  ### Documentation additions

  Added the following documentation to support the Paymaster launch:

  * [Paymaster Overview](/paymaster)
  * [Quickstart: Circle Paymaster](/paymaster/pay-gas-fees-usdc)
  * [Paymaster Addresses and Events](/paymaster/addresses-and-events)
</Update>

<Update label="2025.01.09">
  Added support for CCTP V1 on the Aptos blockchain.

  ### Documentation additions

  Added the following documentation to reflect CCTP V1 support on Aptos:

  * [CCTP Aptos Packages and Interfaces](/cctp/v1/aptos-packages)
  * [Quickstart: Transfer USDC on testnet between Aptos and Base using CCTP V1](/cctp/v1/transfer-usdc-on-testnet-from-aptos-to-base)

  ### Documentation updates

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

  * [CCTP overview](/cctp)
  * [CCTP message passing V1](/cctp/v1/generic-message-passing)
  * [CCTP supported blockchains V1](/cctp/v1/cctp-supported-blockchains)
  * [CCTP block confirmations V1](/cctp/v1/required-block-confirmations)
  * [CCTP chain domains V1](/cctp/v1/supported-domains)
</Update>

<Update label="2025.01.07">
  Added support for USDC on the Aptos mainnet.

  ### Documentation updates

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

  * [USDC contract addresses](/stablecoins/usdc-contract-addresses)
</Update>