Bitpay has shifted its focus from letting businesses accept Bitcoin to getting people interested in Bitcoin in the first place. The company is doing this by building the infrastructure and tools to make Bitcoin more accessible. In the process, they've stumbled on a new market big banks.
Clearing is the process of actually moving money from one account to another
the so-called "blockchain" software underpinning it makes transfers much faster.
the likes of Citi, UBS and Santander are all looking at blockchain technology
tldr: banks are very excited that bitpay is working on a solution to apply "blockchain technology" to the way they do business.
Would banks make their own blockchains if that's the case? Who would pay for the mining consumption and the miners to keep the network stable?