I think git has: 1. A chain of blocks referencing its parents by hash, thus verifying their validity and immutability 2. A rules for consensus on choosing wha

I think git has: 1. A chain of blocks referencing its parents by hash, thus verifying their validity and immutability 2. A rules for consensus on choosing what blocks can be appended (both technically and organizationally through each company’s PR review process) That makes git a blockchain.