... on the blockchain, the decentralised ledger that facilitates cryptocurrency transactions. The digital currencies have gained increasing attention over.
source https://www.google.com/url?rct=j&sa=t&url=https://www.telegraph.co.uk/technology/2018/09/25/coinbase-set-bring-customers-closer-regulated-cryptocurrency/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHcZR1M_FV_tTreD0HbcNVQMzYjHg
