What's a blockchain bank? A Wall Street veteran building one explains.

Caitlin Long, a former Morgan Stanley and Credit Suisse managing director, is starting a special-purpose depository institution that will provide payment and custody services to institutional investors and corporate treasurers.

Caitlin Long, founder and CEO, Avanti Bank
"Institutional investors are not set up to handle the operational challenges of digital assets," says Caitlin Long, founder and CEO of Avanti Bank.