You might be interested in raking a look at Holochain: https://holochain.org/ https://holochain.org/ I'm by no means an expert in the technology, but it's one

You might be interested in raking a look at Holochain: https://holochain.org/ https://holochain.org/ I'm by no means an expert in the technology, but it's one attempt at a blockchain alternative that I'm aware of, albeit with different philosophies regarding global consensus.