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Alistair Stewart and Jeff Burges from Web3 Foundation discuss their work on Polkadot and the use of zero knowledge proofs. They explore different proof designs, encryption considerations, privacy techniques, and design plans for messaging layer crypto and roll-up.
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Quick takeaways
- Zero-knowledge proofs can be used to improve scalability for Parachains in the Polkadot ecosystem.
- SPREE modules and zero-knowledge proofs enable cross-chain privacy-preserving token transfers in Polkadot.
Deep dives
Incorporating Zero-Knowledge Proofs in Polkadot
Zero-knowledge proofs are being explored and incorporated in various ways within the Polkadot design. One area of focus is on using sync proofs, similar to what Coda is doing, to allow Parachains to prove their correctness to validators. This could significantly improve scalability for Parachains. However, there are complexities in getting a state machine for a blockchain into a snark. The availability problem also needs to be addressed. Research is ongoing to determine the best approach and possible incentives for data availability. Grants may be provided to organizations working on these challenges.
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