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Sei Labs has issued a notice to users holding USDC.n on the Sei Network, urging them to swap or migrate the token to native USDC ahead of a planned network upgrade scheduled for late March 2026. The guidance follows preparations for the SIP-3 upgrade, which is expected to transition Sei into an EVM-only chain and discontinue support for Cosmos-native assets such as USDC via Noble.

JPMorgan expanded its digital asset strategy with a new commercial paper issuance executed directly on the Solana blockchain. The bank structured the short term instrument for Galaxy Digital Holdings and completed delivery versus payment using USDC for settlement, moving the entire flow onto public infrastructure rather than a private ledger.