[Real World Zero-Knowledge #0] ZK in Identity Protocols

​The Real World Zero-Knowledge (rwzk) meetup explores applications of zero-knowledge technology in real-world environments such as government, finance, network protocols, and hardware devices.

​Session #0 will be hosted by Ying Tong, an applied cryptographer at Geometry Research. This event is hosted in collaboration with SMU Blockchain Club and Blockchain at NTU.

If assistance is required in locating the designated location, please contact Ryan through the Telegram app at @ryanteoyx. https://t.me/ryanteoyx

​Below is a tentative agenda for the meetup. Please suggest further items on this page or as a comment on the GitHub issue.

​[Study Club] zk-creds:

• ​zk-creds paper [RWGM22]: Flexible Anonymous Credentials from zkSNARKs and Existing Identity Infrastructure

• ​implementation: zPass (Aleo)

​[Showcase] Product:

• ​Sismo: sovereign identity aggregator and crypto-native SSO

• ​Polygon ID: verifiable credentials marketplace

• ​Zupass: software for storing and managing Proof-Carrying Data: any data whose well-formedness and validity are cryptographically verifiable

​[Showcase] Protocol:

• ​Anon Aadhaar: proof of ownership of Indian government identity

  • ​example projects from ETHIndia hackathon: search 'Aadhaar'

• ​zkLogin: Sui's OAuth integration

• ​WorldID: biometric-based proof of humanity

• ​zk-nym credentials: anonymous credentials with threshold issuance

​[Discussion]:

• ​extensions:

  • ​reputation systems, e.g. EigenTrust, UniRep Social, SoK: Privacy-Preserving Reputation Systems [GG21];

  • ​credit networks, e.g. Circles Entropy;

  • ​anonymous communication networks, e.g. MACI;

• ​prior art:

  • ​OpenID, OAuth;

  • ​lots of literature on anonymous credentials

  • ​Anonymous Webs of Trust [BLMP10]

• ​blockers:

  • ​standardisation, e.g. JSON Proof Token (IETF Standards Draft);

  • ​regulation, e.g. KYC, GDPR data minimisation;

  • ​security;