JPMorgan exec Naveen Mallela, global co-head of blockchain division Kinexys, steps down after 11 years at the bank; Kinexys handled $5B transactions per day (Anna Irrera/Bloomberg)

Anna Irrera / Bloomberg: JPMorgan exec Naveen Mallela, global co-head of blockchain division Kinexys, steps down after 11 years at the bank; Kinexys handled $5B transactions per day   —  The global co-head of JPMorgan Chase & Co.'s blockchain division has left after more than a decade at the bank, as it steps up an expansion in digital-asset payments.