Circle still tells users to buy Noble USDC on Coinbase after cutoff date passes
Coinbase warned later Noble deposits may not be recoverable, while its notice left the cutoff’s clock time unspecified.
Quick Take
- Circle’s Noble guide still directed users to Coinbase after the exchange’s Aug. 17 cutoff for Noble USDC.
- Coinbase warned that post-cutoff USDC deposits to Noble addresses may not be recoverable, but gave no clock time.
- Noble-native USDC remains accessible through Circle Mint and compatible wallets as Circle phases out CCTP V1.
Coinbase’s announced Aug. 17 cutoff for USDC deposits and withdrawals on Noble had passed, but Circle’s public Noble guide was still telling users to use Coinbase and select Noble as the network as of press time Aug. 18.
Coinbase’s July 15 notice did not specify a clock time or timezone for the cutoff. It warned users not to send USDC to Coinbase’s Noble deposit addresses after Aug. 17 because those funds may not be recoverable. The warning identifies a transfer risk, not evidence that users have already lost funds.
Coinbase named Ethereum, Base, Solana, Arbitrum, Optimism, and Polygon as other supported USDC networks. Its general receiving guidance tells customers to confirm that the exchange supports the selected network, warning that assets sent on an unsupported network can be lost and cannot be retrieved.
Noble USDC remains live
The cutoff applies to Coinbase’s custodial route, not to Noble-native USDC itself. Noble has served as Circle’s native issuance chain for USDC in the Cosmos ecosystem since the asset’s 2023 rollout.
Circle’s current Noble product page describes access through Circle Mint for eligible businesses and lists compatible wallets including Cosmostation, Keplr and Leap. Those options are not direct equivalents to Coinbase’s custodial rail.
Cross-chain access also carries a migration constraint. Noble remains on legacy CCTP V1 while Circle phases that version out over 10 months beginning in July 2026. Circle said it is working with Noble and Cosmos teams on an intermediate routing solution and that pending redemptions will remain accessible during the phase-out. The migration notice did not specify the planned route’s design or launch date.
A third-party usdc.cool snapshot captured at about 1:47 a.m. UTC on Aug. 18 showed $114.24 million of USDC issued on Noble, $93.05 million bridged out and about $21.19 million circulating on the network. That is a Noble-specific measurement. CryptoSlate’s USDC page showed roughly $71.9 billion in market-wide USDC circulating supply across blockchains at the time.
Circle’s guide separately says that more than $450 million of USDC was in circulation on Noble as of March 2025. That older figure and the usdc.cool snapshot come from different dates and potentially different circulation scopes, so they do not establish a decline. Circle’s dated figure also does not represent current Noble exposure or current Coinbase network support.
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