Why is diff still high when the net hash has significantly dropped (50GH at some points to now 7.5gh)? I thought it would be lower than it currently is
Its just the way eth retargets.. sorta slow, we could probably look into speeding it up though.
It looks like DigiShield from DigiByte(DGB)coin. It works similar way; higlhy tractable to network hashrate. Affected some time later even it should stop yet.
The main problem might happen when some big user(s) may join and rejoin in small amount in time (for example multpool) -> then this procees will may constantly be repeated.
Speeds it up (if possible) should be great advantage. Hopefully it will work as Dev mentioned.