https://cointelegraph.com/news/singapore-central-bank-partners-with-deloitte-nasdaq-on-blockchain-asset-settlement/amp
http://news.abs-cbn.com/business/05/21/18/unionbank-to-link-rural-banks-using-blockchain
What is the possible reasons why banks adopt of joining blockchain?  Please share your opinions . Is it really  helps rural banks  and small banks to be more productive and efficient? Is it faster and easier in terms of financial transactions to the  mass market and brings down the cost of service?