#449 - Decoded - Transaction Tokens with George Fletcher

Podcast: Identity at the Center · Identity at the Center

Opublikowano: 2026-09-21

George Fletcher joins Jeff Steadman and Sean O'Dell for a Decoded deep dive into transaction tokens (Txn-Tokens), the OAuth Working Group specification designed to secure requests as they move across microservices. George explains the problem transaction tokens solve: hop to hop security gaps, replayed access tokens, and the difficulty of tracking a single transaction across a graph of internal services. The conversation covers the anatomy of a transaction token, including the subject, audience, scope, and TXN claims, how a token's time to live should be scoped to the transaction itself, and why immutable parameters prevent tampering mid chain. George...