"Also if some mysterious time troll was going around changing things why would the Steem blockchain be preserved??
I thought about this as well.. If they were some how able to merge realities (unlikely but you never know) would the hashes of the STEEM blocks still be the same? If they contained different info I think they would differ cryptographically would they not?
This post was intended mostly as science fiction and to get people thinking and questioning things. I don't have enough concrete evidence to bring fourth to support it either way. :D
The human memory is a very interesting thing. My understanding is you are merely referencing the last time you remember it.
Glad to help you out with post ideas. :)
There is no reason to think so, after all if our memories were altered to be the same the blockchain should be too.