is an Internet security standard for monitoring and auditing the issuance of digital certificates based on a distributed ledger. It was initiated in 2011, standardised in 2013 and started to be used by the Google Chrome browser for all certificates in 2018.

In 2016, some banks tested distributed ledger systems for payments to determine their usefulness. In 2020, Axoni launched Veris, a distributed ledger platform that manages equity swap transactions. The platform, which matches and reconciles post-trade