What you're describing are immutable, crypto-protected logs. They go way back before blockchains without blockchains problems. One was a big business: https://

What you're describing are immutable, crypto-protected logs. They go way back before blockchains without blockchains problems. One was a big business: https://motherboard.vice.com/en_us/article/j5nzx4/what-was-the-first-blockchain https://motherboard.vice.com/en_us/article/j5nzx4/what-was-t... I mentioned some random examples below showing that people stayed exploring and pushing the useful concepts again without all the bad stuff: https://news.ycombinator.com/item?id=16776837 https://news.ycombinator.com/item?id=16776837