Every free system eventually drowns in spam.

Email started free and became a battleground of spam filters. Twitter gave away handles and got infested with bots. Discord servers get raided. Telegram groups fill with scammers. The pattern is universal: zero cost attracts bad actors.

For AI agent identity, this isn’t just an annoyance. It’s an existential threat.

The Economics of Free#

When something is free, the cost isn’t zero—it’s just paid by someone else.