#Proof-of-Stake - No fault tolerance - No unforgeable history - Not trustless - Oligopolistic governance - More complex, more problems - No connection to the real world - Inherently centralizing - Successful 51% attacker has full and permanent control - Pre-mine - Benefits creators and largest coin holders #Proof-of-Work - Fault tolerance - Unforgeable history - Trustless - Decentralized governance - As simple as possible - Linked to the real world through energy - Successful 51% attacker has very limited and only temporary control - No pre-mine - Benefits humanity Choose wisely. There is no second best! #Bitcoin