支付1 Sats 预防Spam，比验证码要更有应用前景。

验证码防不了人工智能技术。

AI难道不会看图输入验证码？

There are also relays on Nostr that will block spam. I don’t see spam in my feed, only when I look at the “universe”

虽然，但是很讨厌验证码，经常有奇葩验证码连人也一起防了。