Circle Announces CCTP V1 Shutdown on December 1: Noble Chain Excluded from New Version, USDC Service to End in January Next Year

Author: Shenchao TechFlow

Shenchao TechFlow Editor's Note:The cross-chain infrastructure for mainstream stablecoins is entering a key generational transition. On October 30, Circle officially announced the launch of a transition and phase-out plan for the Cross-Chain Transfer Protocol (CCTP), gradually reducing cross-chain transfer limits for the first-generation CCTP V1 starting October 31, until it is completely discontinued on December 1.

Since the new CCTP adopts entirely new standalone contracts and data interfaces and offers no backward compatibility, every cross-chain bridge, aggregator, and wallet provider on the network that has integrated the legacy protocol must proactively complete a core rebuild; otherwise, they face the risk of USDC cross-chain channel disruption.

More notably, Noble, the asset hub of the Cosmos ecosystem, will not be integrated into the new version. Circle plans to fully shut down its network contracts and revert to manual liquidation early next year. This aggressive iteration of cross-chain infrastructure is reshaping the dollar liquidity landscape across multichain ecosystems.

CCTP V1 Countdown: Decreasing Limits and Contract Shutdown

According toThe Defiant reportit was disclosed that stablecoin giant Circle has officially released the retirement roadmap for the Cross-Chain Transfer Protocol CCTP V1. Starting October 31, the official team will launch a phased limit-reduction program for the legacy first-generation protocol.

Under the official transition mechanism, the daily token burn cap on the source chain for CCTP V1 will be gradually lowered until contract operation is completely paused on December 1. At that time, users worldwide will no longer be able to initiate any cross-chain transfer based on native USDC through the legacy contract route.

To avoid delays or losses for funds in transit across chains, Circle promised to maintain sufficient minting capacity during the transition period to ensure that pending transfers that had already generated on-chain attestations can be settled smoothly. However, the official team has not disclosed the exact tiers or phased schedule for daily limit reductions.

Hard Divergence Without Backward Compatibility: Forcing Ecosystem Applications to Proactively Adapt

The technical gap between the old and new versions has created enormous migration pressure for downstream ecosystems. Circle explicitly stated that the new-generation CCTP protocol uses a completely new standalone smart contract system and call interface, abandoning backward compatibility support for the legacy V1 version at the underlying architecture level.

This hard constraint means that the hundreds of decentralized applications, cross-chain bridges, and crypto wallets currently integrated with CCTP cannot achieve seamless upgrades. All infrastructure operators must proactively complete integration and deployment of the new contracts and code before the December shutdown milestone.

If protocol providers fail to complete adaptation within the window, USDC cross-chain services for their frontend users will face direct disruption. As the limit-reduction plan takes effect at the end of October, mainstream DeFi protocols have already begun intensively adjusting cross-chain routing strategies to prevent transaction failures caused by exhausted limits on legacy channels.

Noble Chain Excluded from New Version: Contract Pause and Snapshot to Begin Early Next Year

In this protocol reshuffle, the Cosmos application chain Noble has been among the most heavily impacted networks. Circle confirmed that Noble will not be integrated into the new-generation CCTP protocol, and the official team has finalized a plan to completely suspend all USDC contracts and cross-chain routes on the network on January 12, 2027.

To prevent systemic risk caused by liquidity stagnation, Circle strongly urged token holders to move assets out as early as possible. Some ecosystem protocols had already begun asset migration in response. (For more details, recommended reading:Initia Foundation Backstops Gap: iUSD Restores 1:1 Support》）

For retained funds that fail to be moved out before the deadline, Circle will execute an on-chain balance snapshot on January 12 and open a manual redemption channel the following day. Users applying for redemption must strictly meet compliance audit and security requirements, and affected tokens must be held in independent wallets with full control.

Rebuilding Native Cross-Chain Order: Security Defense for Compliant Stablecoins

Circle's aggressive upgrade of CCTP reflects a governance shift by centralized stablecoin issuers toward security in multichain interoperability. In recent years, third-party cross-chain bridges have frequently suffered hacks of hundreds of millions of dollars, pushing issuers to accelerate reclaiming and tighten absolute control over underlying cross-chain channels.

With the new CCTP, Circle can not only achieve higher settlement performance and more granular risk control, but also exclude long-tail chains with insufficient liquidity or higher compliance risks at the protocol layer. This proactive separation from non-core networks signals that the cross-chain strategy for native stablecoins is shifting from indiscriminate expansion to security and compliance.

As the December suspension of legacy contracts approaches, asset liquidity in the multi-chain ecosystem is set to undergo another round of restructuring. For developers and market makers, keeping pace with the issuer's compliance-driven technical evolution has become essential to safeguarding capital security and business continuity across complex cross-chain interconnection networks.

Source: TechFlow