Mobiles could massively limit that once they get smarter about which events they query, remove duplicates, etc.
Mobiles could massively limit that once they get smarter about which events they query, remove duplicates, etc.
They could at least verify signatures on some events, i.e. kind-0, 3, 4 & 65.
It's not as crucial to verify reactions (kind 7) as it is to verify metadata (kind 0) to get someone Lightning Address, for example.