Of course, the introduction of blockchein technology in banks greatly enhances their effectiveness. If before that, transactions with the outdated SWIFT method took from several hours to several banking days, now, from the use of a ripple coin, transactions to any point of the globe hires just a few seconds.
Please explain to me why the blockchain will help banks? After all, in fact, the blockchain is a common database, which is in the public domain and it is not changeable. What's cute? Speed and everything else. It will take decades to adequately implement all this in the banking system. This is if we talk about the technology itself.