[buffrr]

> not address recovery of lost keys/identities

Key loss is hard but not insurmountable. Social recovery / split-key custody seem like the right direction. Apple uses "recovery contacts" if you have advanced data protection enabled. A friend holds one share, Apple holds another but neither can recover alone. that's social recovery + split-key shipping to hundreds of millions of devices today

> That, and general name confusion attacks, I suppose: "I'm lxgr17@key...

pre-registering the obvious typo neighbors (lxrg, 1xgr ... etc) and it's cheap since handles batch-issue off-chain under a fixed 32-byte root, and strict ascii only charset ... etc could help mitigate some of this.