Interesting post, if you look at gigi's npub it starts with npub1dergg. I thought fiatjaf had given him a preferential address but actually he 'mined' it himself

There could be a bridge rekey solution to create a dare I say it block chain history

But in the meantime Keychat is really a brilliant app that houses your nsec, you can use amber within keychat but then you're trusting amber