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It would be to facilitate more complex processes of data not available in our current Hive API. Delegation history, for example.

I know there's the Hive SQL service, but I would prefer a more descentralized approach.

So, an P2P for L2/History replication instead of having to download/parse form the blockchain?

Sort of.

I tought about this early this year when HiveSQL went off-line after their server was hacked. Why not have the hability for anyone to have their own HiveSQL?

Can also use a single peer for data fetch if also have HiveD running.

HAF Server then =) but with a torrent based DB where anyone can both build it via parsing the chain or via other peers that have the DB too...

Would be crazy to have some way to hash partially blocks via torrents! Not real time enough but still interesting...

By the way, vais ao hivefest?