> It was strange to me that there was no log-as-service... Actually, there are plenty of them. Most heard of is Ethereum 2.0 - it is a distributed log of distr

> It was strange to me that there was no log-as-service... Actually, there are plenty of them. Most heard of is Ethereum 2.0 - it is a distributed log of distributed logs. Any blockchain that is built upon PBFT derivative is such a system.