Peer-to-peer tokens, aka, how to validate Layer1-tokens without backtracking (well, almost) https://medium.com/@xiaohuiliu/peer-to-peer-tokens-6508986d9593
Peer-to-peer tokens, aka, how to validate Layer1-tokens without backtracking (well, almost) https://medium.com/@xiaohuiliu/peer-to-peer-tokens-6508986d9593