https://www.cnbc.com/2018/07/30/ibm-trials-blockchain-platform-aimed-at-banks.html

IBM launched a blockchain platform for financial services on Monday as it continued to bolster its offerings of the much-hyped technology.

Blockchain is the technology that underpins the cryptocurrency bitcoin. It's a public ledger of activity on the bitcoin network that is tamper-proof. But banks and other institutions are now looking to apply blockchain to many of their processes, from issuing loans to settling trades.