Select what genuinely interests you. Your picks feed directly into our editorial planning. The largest US bank has been using the Ethereum mainnet for its own payments since October 19, 2026. JPMorgan has rolled out JPM Coin, or JPMD, there. It is a deposit token denominated in US dollars: each unit represents one dollar a client holds at the bank. Until now JPMD had run on Base since November 2025, a layer-2 network developed at Coinbase. The step was reported among others by The Block, to which the bank's Kinexys unit said the existing depth of liquidity and tokenised assets on Ethereum made the network the obvious next public blockchain for JPMD.