GNUnet key learnings

Gabo H Beaumont

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Identity Management in GNUnet

GNUnet's identity management is built around the following principles:

Public key pairs as "egos" to identify users.

Multiple alter-egos (pseudonyms) per user, enabling identity separation.

Independent from peer identities, meaning network addresses do not determine user identities.

GNUnet Name System (GNS)

GNUnet includes a decentralized Name System with key features:

Secure, memorable names in a fully decentralized system.

Delegation to achieve transitive trust.

Globally unique, secure identifiers for names.

Privacy-focused queries and responses.

Alternative to traditional public key infrastructure (PKI).

Interoperable with DNS.

Simple API:

GNUNET_GNS_connect()

GNUNET_GNS_lookup()

Key Revocation

GNUnet supports an efficient revocation mechanism with the following properties:

Instant revocation at all peers that the network permits to receive it.

Highly efficient protocol for propagation.

Offline revocation messages—can be pre-generated and stored.

Trivial API:

GNUNET_REVOCATION_revoke()

GNUNET_REVOCATION_query()

Social Network Applications in GNUnet

GNUnet integrates PSYC2 and GNS to support decentralized social networking applications.

Key concepts:

nym → A pseudonym of another user in the network.

place → A virtual space where social interactions happen.

host → The owner of a place.

guest → A visitor in a place.

The API provides a vocabulary for managing social interactions:

enter, leave → Users joining and exiting places.

host_eject, host_entry_decision, host_announce → Host controls over guests.

guest_talk → Communication within the place.

place_history_replay, place_look_at → Interaction history and visibility.

This revision improves readability by enhancing sentence structure, adding clarity, and using formatting to highlight key concepts. Let me know if you want further refinements! 🚀

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