Epicenter - Learn about Crypto, Blockchain, Ethereum, Bitcoin and Distributed Technologies Sandeep Nailwal: Polygon 2.0 - The New Value Layer of the Internet?
Aug 18, 2023
Sandeep Nailwal, co-founder of Polygon, discusses Polygon 2.0, tokenomics, rollup interoperability, staking decentralization, and the multi-chain future outlook. They also explore the importance of trustless decentralized systems, differentiating between optimistic rollups and ZK rollups, and Polygon's role in blockchain construction and cross-chain interoperability.
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Validium Versus ZK Rollups Explained
- Validium keeps data off-chain while posting validity proofs on Ethereum, trading some data-availability guarantees for cost savings.
- ZK rollups post both data and proofs on Ethereum, giving stronger immediate exit guarantees.
Data Availability Dominates Rollup Costs
- Data availability is the dominant cost in rollups; proofs are comparatively cheap.
- Hence many designs keep data off-chain (Validium) and mitigate small DA risks via decentralization of sequencers/validators.
Let Apps Choose Their Data Availability
- Allow app teams to choose localized data availability committees while still settling proofs on Ethereum.
- Scale data availability assumptions as apps grow, moving from small LDAs to broader DA when needed.