Right now, there are now many different versions of the blockchain and I expect a lot can be introduced years from now.
Many versions of centralized databases you mean.
Crypto as a whole has deviated from its main purpose, to something that appeals to idiots thinking that the blockchain is a wonder pill that will transform this world for the better. I knew the blockchain ecosystem sucked hard, but it has gotten so much worse with how investors throw money left and right just to have their capital sit in something with blockchain in its name.
The internet boom resulted in innovation, practical uses, etc. The blockchain boom is a fools game that will result in a bad ending.