The better solution that replaces Blastr would be NIP-65 if i’m not mistaken, no?
I see blastr like my https://t.me/pingstr_bot bot... a stop-gap solution to patch something that will be better solved later
Discussion
yeah, in general every practice that makes clients smarter with regard to where to read and write events instead of just connecting to everything they've been explicitly configured to and disregarding NIP-65, tags, etc