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.
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