Paxos derived
Are we there yet? Do we need paxos-like consensus protocols? Hardware is becoming cheaper and commoditised and with all the hype around blockchain, it looks like people are ready to pay extra for the redundant hardware needed for 100% fault tolerance.
Still, it feels to me to in almost all cases, including financial transactions, it's good enough to be right 99.999% of the time and just amortise the costs of the very rare bit flip...