'Big Four' accounting firm EY is launching an Ethereum ($ETH) based software, Nightfall, to help scale enterprise blockchain and asset tokenization. The protocol, set for publishing in May, will be open sourced and in the public domain. The protocol is targeted for supply chains, food sourcing, transactions, and public finance. EY has been working on a ERC-721 compatabile token to aid asset tokenization as a complement to the Nightfall protocol.