John Adler on Optimistic vs ZK Rollup and the data availability problem

In this episode, we chat with John Adler - co-founder of Lazy Ledger (now Celestia) and Fuel Labs. We compare Optimistic Rollups and ZK Rollups as well as discuss how Ethereum, specifically Eth1, could look over the next few years. We also talk about the data availability challenge in blockchains and how Lazy Ledger aims to solve this. Relevant links can be found here: James Prestwich's thread on Scalability vs Throughput mythsThe LazyLedger academic paper Security analysis of ORU from Fuel What would a rollup-centric ethereum roadmap look like?Video: "Scaling Ethereum in 2020 and Beyond" - Vitalik ButerinSome additional thoughts from John on Eth1Thanks to our sponsor Least Authority. Least Authority is a security consulting company known for their dedication to pushing the limits on how to build privacy-respecting solutions. They are a team of security researchers, open source developers, privacy advocates, cryptographers who specialize in security audits, design specification reviews, and security-by-design. Known for their security reviews, including work with zero knowledge proofs as well as having implemented zero-knowledge access passes with the distributed storage system, Tahoe-LAFS. If you are skilled in the area of zero-knowledge protocols and other advanced cryptography for scalability and privacy enhancing tech, you should get in contact with them. They’re expanding their team, so email them at [email protected] again Least AuthorityIf you like what we do: Follow us on Twitter - @zeroknowledgefm -https://twitter.com/zeroknowledgefmJoin us on Telegram -https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjACatch us on Youtube -https://www.youtube.com/channel/UCYWsYz5cKw4wZ9Mpe4kuM_gRead up on the r/ZKPodcast subreddit -https://www.reddit.com/r/zkpodcast Give us feedback! -https://forms.gle/iKMSrVtcAn6BByH6A Support our Gitcoin Grant -https://gitcoin.co/grants/329/zero-knowledge-podcast-2Support us on the ZKPatreon -https://www.patreon.com/zeroknowledgeOr directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1aBTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8ZzZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ Read transcript