Featuring a "closed blockchain" and other oxymorons...
"The bank’s token is unlikely to shake up the financial system anytime soon. Because it will be run by JPMorgan, it lacks the fundamental qualities that have made cryptocurrencies so radical: the freedom from middlemen and from regulatory oversight.JPMorgan Chase Moves to Be First Big U.S. Bank With Its Own Cryptocurrency | NYT
JPMorgan will control the JPM Coin ledger, and each coin will be backed by a dollar in JPMorgan accounts, giving the coins a stable value. That means JPM Coin will not be subject to the wild price volatility that has drawn speculators to other cryptocurrencies.
The bank is following in the footsteps of several smaller players that have introduced similar digital coins tied to the dollar. A consortium of European banks has been finalizing a similar product, Utility Settlement Coin, that would make it possible to move money between banks more quickly. Several cryptocurrency exchanges already have their own so-called stablecoins."