There has been a lot of discussion in the last few years about blockchain technology and its potential impact on financial services; some banks like Bank of America and Wells Fargo have dismissed the technology and are not actively pursuing significant projects; other banks are believers and have begun sinking big dollars into long term efforts; American Banker takes a look at the blockchain progress for JPMorgan Chase, State Street, Northern Trust, Fidelity and BNY Mellon; Northern Trust had made advancements on smart contracts, State Street aims to be more efficient, JPMorgan Chase partnered with Microsoft to improve Quorom, BNY Mellon hired a new Blockchain head and Fidelity built a crypto trading desk. Source.