The biggest US bank is steadily turning blockchain from a buzzword into plumbing. JPMorgan said its blockchain unit, Kinexys, now supports five more currencies — the Australian and Hong Kong dollars, the Japanese yen, the Chinese renminbi and the Singapore dollar — adding to the US dollar, euro and British pound it already handled, CoinDesk reported. Early users include the payments firm Payoneer, settling Australian-dollar transfers, and JERA Global Markets, the trading arm of Japanese energy group JERA, as the first yen client.

What this actually is

Kinexys is a permissioned blockchain — a private network run by JPMorgan where only vetted institutions can take part, unlike public chains such as Ethereum or Bitcoin that anyone can join. Its purpose is mundane but valuable: let institutional clients move money, swap currencies and settle payments 24/7, including outside banking hours and weekends.

That stands in contrast to correspondent banking, the decades-old system in which a cross-border payment hops through a chain of intermediary banks, each adding a fee and a delay — settlement can take days. At the core of Kinexys is JPM Coin, a "deposit token." In plain terms, that's a digital claim on real US dollars deposited at JPMorgan — not a cryptocurrency and not a stablecoin. Moving a JPM Coin moves a bank-guaranteed dollar; JPMorgan says the platform has processed more than $4 trillion since launch, with average daily volume above $7 billion (figures per the bank, via its Kinexys update).

Why banks are doing this now

Two pressures are pushing banks onto blockchains. The first is demand for faster, cheaper, always-on cross-border settlement from corporate treasurers and traders. The second is competition from stablecoins — privately issued, dollar-pegged crypto tokens that move value instantly and have grabbed enormous transaction volumes (gross on-chain figures in the tens of trillions, though those numbers are inflated by automated activity and should be read with caution). Banks would rather offer their own, regulated version of fast digital money than cede the business to crypto-native firms.

The broader shift

JPMorgan isn't alone. A group of large US banks — including Bank of America, Citigroup and Wells Fargo — is working on a shared tokenized-deposit network, and central banks have run cross-border blockchain-settlement experiments. The throughline is the "tokenization of money": representing ordinary bank deposits as programmable tokens that can move on a blockchain.

It's worth keeping the distinction Boursel has drawn before clearly in mind. Bank blockchains like Kinexys give clients the reliability of a regulated bank counterparty plus blockchain speed; stablecoins carry counterparty risk tied to an issuer's reserves and looser regulation. Both are racing to become the rails for moving money.

Why it matters

For the financial system, the significance is less about crypto prices and more about infrastructure: the slow, expensive machinery of cross-border payments is finally being rebuilt, and the incumbents — not just startups — are doing the rebuilding. For JPMorgan, which launched JPM Coin back in 2019, the currency expansion is a bet that institutional demand for tokenized settlement is real and growing. The open question is whether bank-run networks can ultimately match the cost and reach of public-blockchain and stablecoin alternatives — or whether the future of money movement ends up a blend of both.