An AI agent acted across two companies. Whose audit log knows which human?

Short summary

When AI agents delegate work across identity providers, token-exchange standards lose cryptographic proof of which human authorized the action. Crumb solves this by embedding upstream tokens into downstream ones with hash verification, creating a tamper-evident chain verifiable without trusting intermediaries.

• •Current token-exchange breaks audit trails when agents cross company boundaries
• •Crumb embeds upstream tokens (with signatures) into downstream ones as unforgeable proof
• •Verifier can walk the chain backward, checking each segment against its actual issuer's key

Generated with AI, which can make mistakes.