Essential protocols for an agentic communications stack.

Identity

OAuth & OIDC

• https://stack-auth.com/blog/oauth-from-first-principles

• https://developer.okta.com/blog/2019/10/21/illustrated-guide-to-oauth-and-oidc

• https://thecopenhagenbook.com

Polyproto & Federation ID

• https://docs.polyphony.chat/Overviews/core/

• Federation ID

AT Protocol & did:plc

• https://bsky.social/about/blog/3-6-2022-a-self-authenticating-social-protocol

• https://atproto.com/articles/atproto-for-distsys-engineers

• https://atproto.com/guides/identity

• https://atproto.com/guides/data-repos

Decentralized Identifiers (DIDs)

• https://w3c-ccg.github.io/did-primer/

• https://www.w3.org/TR/did-core/

Iroh

• https://www.iroh.computer/blog/frost-threshold-signatures