Zero Knowledge

Zerocoin to zk-creds: Modern ZK History with Ian Miers

13 snips
Sep 24, 2025
Ian Miers, an Assistant Professor at the University of Maryland and a pioneering figure in zero-knowledge technology, covers a wealth of intriguing topics. He discusses his groundbreaking work on Zerocoin and Zcash, addressing early challenges in privacy on public ledgers. Ian shares the evolution of trusted setups, including Powers of Tau, and introduces his innovations like zk-creds for flexible anonymous credentials and zk-promises for anonymous reputation systems. The conversation also explores critical issues such as post-quantum security and the ethics of programmable privacy.
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INSIGHT

Trusted Setups Scaled Up

  • Trusted setups evolved from small closed ceremonies to scalable, updatable multi-party protocols.
  • Powers of Tau and later work made participation auditable and decentralized at scale.
ANECDOTE

Cabin OPSEC At Early Ceremonies

  • Peter Todd attended an early Zcash ceremony and used decoy travel and cabin OPSEC measures.
  • Participants took extreme precautions because the original ceremonies required constant online presence.
INSIGHT

Two Dimensions Of Setup Progress

  • Two separate problems: reusable universal parameters and practical multi-party ceremony UX.
  • Solving both was key to public trust and broad adoption of SNARK systems.
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