Goldman Sachs and BNY Mellon are reportedly delving deeper into the world of blockchain transactions.The two banks were among several firms that took part in a series of tests on a blockchain network connecting various financial institutions, one of the largest-scale of such pilots in capital markets, Bloomberg News reported Tuesday (March 12).According to the report, the so-called Canton Network was launched last year by the startup Digital Asset Holdings. Participants made more than 350 simulated transact ...