https://www.ccn.com/the-us-government-maintains-a-fork-of-bitcoin/
https://github.com/usnistgov/managed-cryptocurrencies-bitcoin
*** This is RESEARCH code NOT meant to be production code *** This is a fork of the https://github.com/bitcoin/bitcoin to explore concepts presented in the NIST paper Managed Blockchain Based Cryptocurrencies with Consensus Enforced Rules and Transparency
So much wasted time.