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Circle’s Noble USDC guide still directs users to Coinbase after cutoff

Coinbase said USDC sent to its Noble deposit addresses after Aug. 17 may not be recoverable, while Circle’s guide had not updated the routing details by Aug. 18.

Reported · Written up by our desk · Regulation

Coinbase’s announced Aug. 17 cutoff for USDC deposits and withdrawals on Noble had already passed, but Circle’s public Noble guide continued to instruct users to use Coinbase for that route as of Aug. 18, according to CryptoSlate.

Coinbase’s July 15 notice said users should not send USDC to Coinbase’s Noble deposit addresses after Aug. 17 because those funds may not be recoverable. Coinbase also said its cutoff timing was not specified down to a clock time or timezone, while the guidance to recipients is meant to prevent transfer risk rather than indicate that losses had already occurred.

Coinbase’s broader receiving instructions tell customers to confirm they are using a network the exchange supports, warning that assets sent on an unsupported network can be lost and cannot be retrieved. Coinbase listed several other supported USDC networks, including Ethereum, Base, Solana, Arbitrum, Optimism, and Polygon.

Circle says Noble remains its native USDC issuance chain for the Cosmos ecosystem, and that pending redemptions will remain accessible during a transition that involves phasing out Noble’s legacy CCTP V1 over more than 10 months starting in July 2026. A usdc.cool snapshot cited by CryptoSlate captured about $114.2 million of USDC issued on Noble, with about $93.1 million bridged out and about $21.2 million circulating at roughly 1:47 a.m. UTC on Aug. 18.

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