AI agents are booking, paying, and coordinating autonomously.

But x402, USDC rails, and open-source protocols only solve the software layer.

The missing piece: hardware-rooted identity. Without it, any machine can impersonate any other.

SEALCOIN anchors M2M trust in certified semiconductors + post-quantum PKI, before the transaction ever hits the chain.

$QAIT #DePIN #IoT