the one started the the bank itself

Circle, a cryptocurrency-focused financial-services firm, will announce today that it is buying crypto exchange Poloniex—a move that immediately makes Circle one of the largest and most influential companies in the industry. Fortune’s Robert Hackett profiles a company that hopes to leverage the technology behind Bitcoin to become the bank of the next century.
This might give some traction.

Lighting network is similar to bank. Why would anyone use lightining above traditional banking.