PoS is just Fiat all over again. Posting to Twitter, Pavol Rusnank, co-founder of Satoshi Labs, the manufacturer of the Trezor hardware… — PoS is just Fiat all over again. Posting to Twitter, Pavol Rusnank, co-founder of Satoshi Labs, the manufacturer of the Trezor hardware wallet, declared that “proof-of-stake is how fiat works.” …