Results from the ama last monday:
From the discussion -
- Could change difficulty adjustment algo: LWMA, Digishield, Dark gravity wave, and/or
- Could make merkle tree use exclusively SHA3d, instead of SHA256d in the reduce step, and/or
- Could fix the merkle tree leaf-node weakness and make a really well-designed blockchain, avoiding a lot of Bitcoin's complexity, possibly even not requiring Segwit (see https://bitslog.wordpress.com/2018/06/09/leaf-node-weakness-in-bitcoin-merkle-tree-design/)
- Could add Komodo dPoW, and/or
- Could create new blockchain(s)
Corrections to LWMA by zawy as of the last 4 days - https://github.com/zawy12/difficulty-algorithms/issues/36#issuecomment-441182823
Note that 'hard forks' leave behind a legacy chain (that can still be mined) and are usually implemented via BTG-style Replay Protection
Everybody can join the hardfork discussion on the discord channel (https://discord.gg/As9XbhD)
Ch4ot1c is also preparing a research document.