What do you think the Federal Reserve Bank does? Every bank in the US has an account with the Federal Reserve. The Fed maintains a central database of the trans

What do you think the Federal Reserve Bank does? Every bank in the US has an account with the Federal Reserve. The Fed maintains a central database of the transactions between those accounts. The only difference between a blockchain and a traditional database is that a blockchain has an inherit audit trail due to the use of crypto algorithms and digital signatures. A traditional database can have similarly immutable record keeping with digital signatures as well.