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5 episodes with John Adler
2 episodes with John Adler
In today's episode John Adler and Evan Forbes reveal how three major breakthroughs at blockchain's data layer may enable truly unstoppable applications. They explain why previous attempts at unstoppable apps have fallen short, and how Big Blocks, Vacuum, and Big Blocks, Slow Squares will finally make internet-scale decentralized applications possible. Thanks for tuning in! - - Follow John: https://x.com/jadler0 Follow Evan: https://x.com/evansforbes Follow Rex: https://x.com/LogarithmicRex Follow nosleepjon: https://x.com/nosleepjon Follow Expansion: https://x.com/ExpansionPod_ Subscribe on YouTube: https://www.youtube.com/@expansionpod Subscribe on Apple: http://apple.co/4bGKYYM Subscribe on Spotify: http://spoti.fi/3Vaubq1 Get top market insights and the latest in crypto news. Subscribe to Blockworks Daily Newsletter: https://blockworks.co/newsletter/ -- Join us at Permissionless III Oct 9-11. Use code: EXPANSION10 for a 10% discount: https://blockworks.co/event/permissionless-iii -- Timestamps: (00:00) Introduction (01:20) Schwab Upgrade to Celestia (15:24) Compact Blocks Perks & Limitations (28:31) Vacuum's Edge Case Solutions (40:47) Fast Blocks, Slow Squares (57:15) What's Left for Gigabyte Blocks (1:01:42) Impact of DA - - Disclaimer Expansion was kickstarted by a grant from the Celestia Foundation. Nothing said on Expansion is a recommendation to buy or sell securities or tokens. This podcast is for informational purposes only, and any views expressed by anyone on the show are solely our opinions, not financial advice. Rex, Jon, and our guests may hold positions in the companies, funds, or projects discussed.
The ZENERGY Podcast: Climate Leadership, Finance and Technology
The New York City Comptroller's office works to promote the financial health, integrity, and effectiveness of New York City government, in order to strengthen trust, secure a thriving future for all New Yorkers, and build a more just, equitable, and resilient city. Led by an independently-elected citywide official, the Comptroller's office provides checks and balances needed to hold City government accountable for budgeting wisely, investing responsibly, operating efficiently, acting fairly, living up to its obligations and promises, and paying attention to the long-term challenges we face together. John Adler became the Chief ESG Officer at the New York City Comptroller's Bureau of Asset Management in January 2022, where he oversees initiatives related to environmental, social, and governance (ESG) impacts on pension fund investments. His responsibilities include corporate governance, diversity, equity and inclusion, climate change, workers' rights, and integrating ESG into the investment process. Previously, John was Director of the Mayor's Office of Pensions and Investments under Mayor Bill de Blasio and spent 23 years in the labor movement, most recently leading the SEIU's Retirement Security Campaign and co-founding the Georgetown Center for Retirement Initiatives. Show Notes: [1:50] - John shares his background and how his career path has led him to his current role as the Chief ESG Officer. [4:00] - John discusses the primary focus areas at the Comptroller's Office. [6:55] - His previous experience serving under Mayor de Blasio gave John a lot of knowledge to prepare for the work he's doing now. [11:02] - For making the case for ESG, there were challenges that have evolved over time. [12:31] - ESG has become much more widely accepted in the business world as a way to appropriately evaluate business risk. [16:04] - Managers are committed to ESG and climate change, but they don't want to get in the crosshairs of anti-ESG. [17:38] - Critics believe their criticism serves them politically. [19:09] - Fiduciary duties are taken very seriously. [20:27] - John shares some examples of efforts that have represented ESG's values. [24:27] - John discusses another example of union representation. [26:54] - There is a four component implementation plan to move forward towards climate change goals. [28:39] - The most difficult challenge is identifying private market dedicated strategies to invest in climate solutions. [31:21] - There's a drive in the economy right now for climate solutions. [32:22] - Pension funds are not big enough to adequately address the climate change challenge we are all facing. We need to collaborate. Links and Resources: New York City Comptroller's Office Website
Summary In this week's episode, Anna (https://x.com/AnnaRRose) chats with Connor O'Hara (https://theorg.com/org/celestia/org-chart/connor-o-hara) from Celestia (https://celestia.org/). After discussing the latest ZK Hack Montréal event (https://www.zkmontreal.com/) where Connor was a judge, they dive into his professional background, the ecosystems he has been a part of and what led him to work on Celestia. They then discuss various ZK-focused initiatives within the Celestia ecosystem. Here's some additional links for this episode: Episode 311: The Launch of Celestia and Beyond (https://zeroknowledge.fm/311-2/) 03:22 ZK Hack Montréal (https://www.zkmontreal.com/) 08:08 ZK Hack Devfolio (https://zk-hack-montreal.devfolio.co/) 24:33 Episode 151: John Adler on Optimistic vs ZK Rollup and the data availability problem (https://zeroknowledge.fm/151-2/) 30:24 Episode 208: Digging into Data Availability with Ismail Khoffi from Celestia (https://zeroknowledge.fm/208-2/) 41:26 Episode 220: The Road to Plonky2 with Brendan and Daniel from Polygon Zero (https://zeroknowledge.fm/220-2/) 46:49 Vitalik Buterin Endgame Blog Post (https://vitalik.eth.limo/general/2021/12/06/endgame.html) 49:41 Light Nodes Everywhere: Why & How - Connor O'Hara at Modulard Summit (https://www.youtube.com/watch?v=L6KmiFSN0OA) 56:29 ZK11: 1 Circuit, 5 Rollups: Building a Re-Usable DA Integration for ZK Rollups - Connor O'Hara (https://www.youtube.com/watch?v=gsOvk7GSxLg) Check out the ZK Jobs Board (https://jobsboard.zeroknowledge.fm/) for the latest jobs in ZK at jobsboard.zeroknowledge.fm (https://jobsboard.zeroknowledge.fm/) Episode Sponsors Get ready to build with intention. Anoma (https://anoma.net/) is the universal intent machine, introducing a new era of applications where you define the outcomes you want. Follow Anoma on X to learn more at x.com/anoma (https://x.com/anoma) Aleo (http://aleo.org/) is a new Layer-1 blockchain that achieves the programmability of Ethereum, the privacy of Zcash, and the scalability of a rollup. As Aleo is gearing up for their mainnet launch in Q1, this is an invitation to be part of a transformational ZK journey. Dive deeper and discover more about Aleo at http://aleo.org/ (http://aleo.org/). If you like what we do: * Find all our links here! @ZeroKnowledge | Linktree (https://linktr.ee/zeroknowledge) * Subscribe to our podcast newsletter (https://zeroknowledge.substack.com) * Follow us on Twitter @zeroknowledgefm (https://twitter.com/zeroknowledgefm) * Join us on Telegram (https://zeroknowledge.fm/telegram) * Catch us on YouTube (www.youtube.com/channel/UCYWsYz5cKw4wZ9Mpe4kuM_g)
The core innovation of data availability in the modular landscape revolves around minimalism. Due to the minimal smart contract execution capabilities of altDA chains, they can focus solely on providing a specialized service of data verification & publishing. In addition to the design of minimal blocks, these chains are able to perform a unique task of Data Availability Sampling (DAS) which is a revolutionary innovation for blockchain scaling. In today's presentation, we sit down with John Adler, an Ethereum OG and creator of optimistic rollups. We take a deep, technical dive through the various node types (full, light, and partial) in Celestia's architecture. After that, we took a second to digest and summarize and then dove right into Blobstream, another cornerstone of Celestia's approach. Blobstream acts as a one-way relay for data attestations between Celestia and other blockchains and recently has been deployed in testnet on Base and Arbitrum Orbit. We also touched on the development of Succint's Blobstream X, and their zk version of Blobstream. Finally, we asked some rapid fire questions about Celestia's design and John's perspectives on the modular space at large. Enjoy!
Critics warn that the RNC 'Bloodbath' is a preview of what Project 2025 would do if Trump is reelected. Reps. Jamie Raskin and John Adler ensured that the Special Counsel Robert Hur hearing did not go well for the GOP. --- Send in a voice message: https://podcasters.spotify.com/pod/show/politicsdoneright/message
In this week's episode, Anna (https://twitter.com/annarrose) and Guillermo (https://twitter.com/GuilleAngeris) chat with Yaz Khoury (https://twitter.com/Yazanator) and Ismail Khoffi (https://twitter.com/KreuzUQuer) from Celestia (https://twitter.com/celestiaorg). They share how the team prepared for the launch of the Celestia mainnet and what has been happening at Celestia since. They revisit the topic of DA (Data Availability) and explore how rollups and dApp developers can already use the Celestia DA layer. The group discusses Blobstream, which brings the benefits of Celestia to Ethereum and helps to scale the network, as well as community building, the modular thesis and much more. Here's some additional links for this episode: Episode 151: John Adler on Optimistic vs ZK Rollup and the data availability problem (https://zeroknowledge.fm/151-2/) Episode 208: Digging into Data Availability with Ismail Khoffi from Celestia (https://zeroknowledge.fm/208-2/) Episode 268: A Rollup-Centric Future & Sovereign Chains with Mustafa Al-Bassam (https://zeroknowledge.fm/268-2/) Ismail Khoffi of Celestia (Sovereign Radio) (https://www.youtube.com/watch?v=R5nAI-jXAgk&list=PLdI4HWwFLH1dtT31R8snlR5omQg81L_hO&index=4) Celestia Improvement Proposal GitHub (https://github.com/celestiaorg/CIPs/blob/main/cips/cip-1.md) Introducing the Celestia Improvement Proposal Process (https://blog.celestia.org/introducing-the-celestia-improvement-proposal-process/) Introduction to Arbitrum rollups with Celestia as DA (https://docs.celestia.org/developers/arbitrum-integration) Introducing Blobstream: streaming modular DA to Ethereum (https://blog.celestia.org/introducing-blobstream/) Raspberry Pi Foundation (https://www.raspberrypi.org/) Succinct Network (https://succinct.xyz/) Episode 308: Avail's Approach to DA with Prabal Banerjee (https://zeroknowledge.fm/308-2/) Episode 217: Information Theory & Blockchain with Sreeram Kannan (https://zeroknowledge.fm/217-2/) Cosmos Hub (https://hub.cosmos.network/) Modular Summit Website (https://modularsummit.dev/) Applications to attend zkSummit11 are now open, head over to the zkSummit website (https://www.zksummit.com/) to apply now. The event will be held on 10 April in Athens, Greece. Aleo (http://aleo.org/) is a new Layer-1 blockchain that achieves the programmability of Ethereum, the privacy of Zcash, and the scalability of a rollup. As Aleo is gearing up for their mainnet launch in Q1, this is an invitation to be part of a transformational ZK journey. Dive deeper and discover more about Aleo at http://aleo.org/ (http://aleo.org/) If you like what we do: * Find all our links here! @ZeroKnowledge | Linktree (https://linktr.ee/zeroknowledge) * Subscribe to our podcast newsletter (https://zeroknowledge.substack.com) * Follow us on Twitter @zeroknowledgefm (https://twitter.com/zeroknowledgefm) * Join us on Telegram (https://zeroknowledge.fm/telegram) * Catch us on YouTube (https://zeroknowledge.fm/)
#23. In this episode of The meez Podcast, we're joined by special guest Chef John Adler, the Senior Vice President of Culinary and Physical Products at Blue Apron. John's culinary journey started in some of the world's finest kitchens, including working for chefs like Thomas Keller at Per Se and Chef Dan Barber at Blue Hill at Stone Barns. He also spent time at Michelin-starred restaurants across Spain and England before becoming the chef at the beloved Franny's in Brooklyn.During the episode, John discusses what it was like to transition from the restaurant world to a large-scale institution like Blue Apron. He delves into the unique camaraderie and intimate connections formed in restaurant kitchens and how that differs from the corporate environment. John also shares how Blue Apron values customer feedback and constantly improves their recipes based on customer input. From recipe ratings to customer interviews, Blue Apron seeks to understand their customers' needs and preferences to create meaningful and delicious meals for homes across America.Join host Josh and John in this insightful and heartwarming episode as they discuss the art of culinary innovation, the impact of recipes on people's lives, and the power of food to bring people together.Where to find John Adler: InstagramLinkedInWhere to find host Josh Sharkey:InstagramLinkedInIn this episode, we cover:(2:19) John's background(5:59) How Josh and John first met(7:57) Restaurant vs. Corporate environment(13:09) How Blue Apron gets customer feedback(17:59) Recipe R&D at Blue Apron(23:18) Helping Home Cooks with the Basics(26:50) What is the goal of Blue Apron?(34:00) What skillsets translate from hospitality to technology? (35:25) The importance of the entire guest experience(40:10) Soft skills in management(46:10) Why John loves to cook(51:29) The legacy and impact of food
John Adler's Twitter: @jadler0 Fuel's Twitter: @fuellabs_ Fuel's Website: https://www.fuel.network/ Celestia's Twitter: @CelestiaOrg Celestia's Website: https://celestia.org/ Logan Jastremski's Twitter: @LoganJastremski Frictionless's Twitter: @_Frictionless_ Frictionless's Website: https://frictionless.fund/
In this episode Maxwell Cooper, M.D. interviews John Adler, M.D., Professor Emeritus of Neurosurgery at Stanford University, inventor of the CyberKnife, Co-Founder and Chief Medical Officer of Accuray, and Co-Founder and CEO of Cureus and Zap Surgical. Dr. Adler tells the story of how he became inspired to develop radiosurgery technology while doing a fellowship in Sweden with Dr. Leksell, father of radiosurgery. Dr. Adler discusses how he invented the CyberKnife technology through starting his first company Accuray. He also talks about balancing his medical innovation endeavors with a busy neurosurgery practice at Stanford and how to conduct innovation projects within an academic hospital. Dr. Adler provides advice for aspiring entrepreneurs on find the right business partners, raising money, and how to execute at each stage. Lastly, Dr. Adler discusses his latest companies, Cureus and Zap Surgical. *Views expressed in this podcast are those of the individuals, not their respective institutions Thank you to our sponsor Doc2Doc Lending, the Personal Lending platform designed for Doctors, by Doctors. Check out https://doc2doclending.com/davinci to learn more today. John Adler, M.D. LinkedIn: https://www.linkedin.com/in/john-adler-1875b95 Cureus Website: https://www.cureus.com Zap Surgical Website: https://zapsurgical.com The DaVinci Hour Podcast Website: https://www.dviacademy.com/the-davinci-hour LinkedIn: https://www.linkedin.com/company/the-davinci-hour/ DaVinci MedTech YouTube: https://www.youtube.com/@davincimedtech Instagram: https://www.instagram.com/davincimedtech/ Twitter: https://twitter.com/DavinciMedtech Website: https://www.dviacademy.com/
In this week's episode of 0xResearch, John Adler joins us to discuss how Fuel is building the premier execution layer for the modular future. We start with the key differences between rollups and modular execution and why state growth (not call data) is what rollups should optimize. We then explore Fuel's unique UTXO model, the Sway programming language and Fuel's tradeoffs. Warning: this discussion gets technical, but this episode is loaded with insights you won't want to miss! - - Timestamps: (00:00) Introduction (01:05) Hot Seat/Cool Throne (15:54) Cosmos Ecosystem Voting by Flipside (19:15) “Chainalysis Ad” (20:10) Interview Start: John Adler (20:27) Rollups vs Modular Execution (25:58) Solving State Growth (34:01) “Chainalysis Ad” (34:42) UTXO Model & Parallel Execution (46:40) Fuel's Tradeoffs (50:51) Sway vs Solidity (1:08:31) Ethereum's Role in the Modular Future (1:10:07) Fuel's Value Capture - - Follow John: https://twitter.com/jadler0 Follow Dan: https://twitter.com/smyyguy Follow Sam: https://twitter.com/swmartin19 Follow Blockworks Research: https://twitter.com/blockworksres Subscribe on YouTube: https://bit.ly/3foDS38 Subscribe on Apple: https://apple.co/3SNhUEt Subscribe on Spotify: https://spoti.fi/3NlP1hA Get top market insights and the latest in crypto news. Subscribe to Blockworks Daily Newsletter: https://blockworks.co/newsletter/ - - Resources: tsunami finance https://tsunami.finance/ Fuel https://www.fuel.network/ Celestia https://celestia.org/ -- Chainalysis is the leading blockchain analytics company. Web3 companies like Dapper, Gemini, and Crypto.com manage risk, drive investigations, and inform growth strategies with Chainalysis. Together, we build trust in blockchains, grow safe consumer access to cryptocurrency, and promote more financial freedom with less risk. Visit Chainalysis.com/blockworks to learn more now. -- Flipside has the most comprehensive data in web3 to get you the insights you need to work smarter. Instantly query the data yourself (for free!) or browse dashboards by elite analysts to find hidden alpha and get the edge you need to win. Earn up to $75 USDC by completing 0xResearch's exclusive bounty for analysts on Flipside: https://flipsidecrypto.xyz/drops/0xresearch-bounty-defi-users-7f5442 Check out Flipside's Twitter for more info: https://twitter.com/flipsidecrypt - - Disclaimer: Nothing said on 0xResearch is a recommendation to buy or sell securities or tokens. This podcast is for informational purposes only, and any views expressed by anyone on the show are solely our opinions, not financial advice. Dan, Sam, and our guests may hold positions in the companies, funds, or projects discussed.
In this episode, David is joined by Co-Founder of Fuel Labs and Celestia, John Adler. Fuel is the fastest modular execution layer and Celestia is the first modular blockchain network. John and David explore how modular blockchains are shaping the future of the space, what Fuel is, why it's different than other L2s on Ethereum, why John believes Fuel is the leading L2, and so much more. ------
本期是由 Daniel (https://twitter.com/lgn21st) 和 Terry (https://twitter.com/poshboytl) 共同主持，我们邀请了 BTCStudy (https://www.btcstudy.org/) 的内容负责人阿剑老师，来跟大家聊聊关于 PoW vs PoS 的争论，他的观点和立场。 阿剑老师曾经是以太坊中文社区非常硬核的研究者，翻译者，内容贡献者，主持人的愿望是话题能够深入浅出，但是阿剑老师实力不允许，所以如果你对 PoW/PoS 以及分布式共识算法的设计思想和基础概念有所了解，那么会帮助你理解为什么通过阿剑老师的分析可以得出 PoW 全面优于 PoS 这个结论。 如果对 “Ethereum Merge” 的问题分析以及什么是 “比特币思想” 更感兴趣，不妨直接跳到 1:10:00 开始听。 访谈结尾处阿剑老师最让我动容的一段话，我摘录于此：一个技术范式应该想到它应该保护自己的用户，它应该保护共识，它应该珍惜每一分来之不易的共识，它应该容纳每一个可能容纳的个体去进入这个生态，去能够用它来继续做梦，去 为一个遥远的我能够想象的美好未来去奋斗。 Show Notes 关于 Ethereum Merge https://ethereum.org/en/upgrades/merge/#what-is-the-merge Forkit 关于 PoW v.s. PoS https://forkit.fm/22 Leslie Lamport https://en.wikipedia.org/wiki/Leslie_Lamport 拜占庭将军问题 The Byzantine Generals Problem https://lamport.azurewebsites.net/pubs/byz.pdf Stake Grinding attacks 权益研磨攻击 https://dyor-crypto.fandom.com/wiki/Grinding_Attack Nothing at stake attacks https://medium.com/coinmonks/understanding-proof-of-stake-the-nothing-at-stake-theory-1f0d71bc027 Long range attacks https://blog.positive.com/rewriting-history-a-brief-introduction-to-long-range-attacks-54e473acdba9 Poelstra：论权益与共识 英文：https://download.wpsoftware.net/bitcoin/pos.pdf 中文：https://www.btcstudy.org/2021/09/23/on-stake-and-consensus-by-Andrew-Poelstra/ PoS的根本缺陷在于循环论证 https://www.bitpush.news/articles/2460124 social consensus https://medium.com/@VitalikButerin/a-proof-of-stake-design-philosophy-506585978d51 Weak Subjectivity 弱主观性 https://ethereum.org/en/developers/docs/consensus-mechanisms/pos/weak-subjectivity/ Balancing attack 平衡攻击 https://ethresear.ch/t/a-balancing-attack-on-gasper-the-current-candidate-for-eth2s-beacon-chain/8079 zack-bitcoin：PoS 辩护意见大全 英文：https://github.com/zack-bitcoin/amoveo-docs/blob/master/otherblockchains/thedefenceofpos.md 中文：https://mp.weixin.qq.com/s/7qEWFWAQIPz5-2I-aWv4ww PoW 与 PoS 的真正区别：判质费用决定了谁更适合构建货币 中文：https://mp.weixin.qq.com/s/s75Luba4C6bm0YBNiZucQA 对 PoS 的简单批评： 中文：https://github.com/editor-Ajian/Personal-Work/blob/main/（2020.10）对 PoS 的简单技术批评.pdf 关于大区块以及比特币扩容之争 https://www.jiemian.com/article/3334359.html 以太坊的扩容方案以二层 Rollup 为核心 https://ethereum-magicians.org/t/a-rollup-centric-ethereum-roadmap/4698 通过 EIP-4488 降低 Calldata 成本 https://eips.ethereum.org/EIPS/eip-4488 Optimistic Rollup https://ethereum.org/en/developers/docs/scaling/optimistic-rollups/ Zero-Knowledge Rollup https://ethereum.org/en/developers/docs/scaling/zk-rollups Validium Rollup https://ethereum.org/en/developers/docs/scaling/validium/ John Adler：基于委员会的分片的安全性与可扩展性 英文：https://medium.com/@adlerjohn/security-and-scalability-in-committee-based-blockchain-sharding-58fab3901193 中文：https://mp.weixin.qq.com/s/4GGMzuveokO9Cyt02Y06Zg Ruben Somsen：SNARK 与区块链的未来： 英文：https://medium.com/@RubenSomsen/snarks-and-the-future-of-blockchains-55b82012452b 中文：https://www.btcstudy.org/2021/11/11/snarks-and-the-future-of-blockchains/ Vitalik：Proto-Danksharding FAQ 英文：https://notes.ethereum.org/@vbuterin/protodankshardingfaq 中文：https://learnblockchain.cn/article/3769 EthFans 以太坊爱好者的告别信 https://mp.weixin.qq.com/s/bYLKXk1VjebUWNBpHt51OA BTCStudy https://www.btcstudy.org 矿工不会接受EIP -1559，因为这是永久的收益剥夺 https://zhuanlan.zhihu.com/p/353686050 失而复得但是评论全部丢失的预言家周报第 130 期《以太坊的隐忧》 https://mp.weixin.qq.com/s/8i5X2KCVw7iLKlLrKR1njA 关于被举报的预言家周报第 130 期（在微信中打开可以看评论） https://mp.weixin.qq.com/s/Eg8fO-8LRUC9EJTaPoQdww 隔离见证 WegWit https://en.wikipedia.org/wiki/SegWit 比特币升级提案 Taproot 技术解读 https://www.btcstudy.org/2021/10/27/taproot-is-more-important-than-your-imageine/ BTCStudy 文化标签页，了解比特币精神的入口 https://www.btcstudy.org/tags/文化/ Pick 环节 自带支架和蓝光护眼认证，高性价比的微星显示器 https://item.m.jd.com/product/100017353855.html Nostr https://github.com/nostr-protocol/nostr Zettelkasten 卡片式笔记方法简介 https://zettelkasten.de/introduction/zh/ 北斗儿童3D凹凸地图 https://www.taobao.com/list/item/660658781791.htm Special Guest: 阿剑.
Today's episode Claire is taking us back to 1700 England. According to the courts Lydia "feloniously, traiterously, wilfully, and of her malice aforethought, did cast and throw, and he the said John then and there lying, in and upon the groin of him" aka Lydia Adler is charged with the murder of her adulterous husband John Adler by smashing his balls. Sources; https://www.exclassics.com/newgate/ng213.htm http://www.murderpedia.org/female.A/a/adler-lydia.htm https://www.bmj.com/content/336/7638/269/rr --- Support this podcast: https://anchor.fm/homicidehobbies/support
Former boss to the boys, John Adler talks broom hockey and ceiling fruit with Josh and Joe.
In the second episode in our modular blockchain mini-series, we sat down with John Adler, the inventor of optimistic rollups and co-founder of Fuel and Celestia. Fuel is the fastest execution layer for the modular blockchain stack. The technology enables parallel transaction execution and offers flexible throughput and the highest security required to scale. FuelVM offers developers a superior experience and the ability to go beyond limitations faced by the EVM and other virtual machines. In our conversation, we discuss: The importance of data availability for maintaining censorship resistance Fuel as a modular execution layer with configurable consensus, data availability, and settlement Why Fuel Labs is building the entire blockchain stack to offer the best possible developer and user experience How FuelVM supports parallel transaction execution and other notable improvements over EVM To learn more about some of the concepts we cover, here are a few incremental resources John mentions in the episode. John Adler: Wait, it's all resource pricing? John Adler: Secure Off-chain Data Availability for Rollups John Adler: FuelVM Bootcamp Follow John on twitter and Fuel on Github Intro/outro track: OmgKirby #664 (used with permission)
In this episode, we sit down with John Adler, Co-founder of Celestia, the first modular consensus and data network to power scalable and secure Web3 applications. We discuss the rise of blockchain modularity, how Celestia solves the data availability problem, plans to bootstrap the Celestia ecosystem, and much more! Show Notes: (00:00:00) – Introduction. (00:00:46) – Defining Celestia and modular blockchains. (00:06:23) – Solving the data availability problem. (00:21:44) – Ethereum rollups vs. Celestia rollups. (00:28:27) – Why use Celestia? (00:39:14) – The importance of decentralization. (00:43:20) – The future of VMs / execution environments. (00:52:13) – Protecting rollups from spam/DDoS attacks. (00:58:39) – Disadvantages of modular blockchains. (01:03:04) – Managing the load on full nodes. (01:11:15) – Cevmos. Resources: John's Twitter Celestia Twitter Celestia Website Our Research Paper on Celestia Delphi Podcast Summaries More
This week Anna (https://twitter.com/AnnaRRose) chats with Ismail Khoffi (https://twitter.com/KreuzUQuer) from Celestia about how and why they're focusing on building a data availability-first L1 blockchain. Ismail takes us through how data availability can be a problem, primarily with light clients and breaks down the components necessary to understanding the data availability problem such as state changes, the separation of consensus from execution and how Celestia aims to be a pluggable consensus layer. Here are some links for the episode: * Episode 151: John Adler on Optimistic vs ZK Rollup and the data availability problem (https://zeroknowledge.fm/151-2/) * Episode 207: Journey Through the Cosmos Ecosystem with Billy Rennekamp (https://zeroknowledge.fm/episode-207-journey-through-the-cosmos-ecosystem-with-billy-rennekamp/) * Celestia on Twitter (https://twitter.com/CelestiaOrg) * Celestia's website (https://celestia.org/) * Lazy Ledger is now Celestia (https://blog.celestia.org/lazyledger-is-now-celestia/) * ZK Podcast Blog: Data Availability & Scaling Blockchains (https://zeroknowledge.fm/data-availability-scaling-blockchains/) * Paper: LazyLedger: A Distributed Data Availability Ledger With Client-Side Smart Contracts by Mustafa Al-Bassam (https://arxiv.org/abs/1905.09274) * Paper: Fraud and Data Availability Proofs: Maximising Light Client Security and Scaling Blockchains with Dishonest Majorities by Mustafa Al-Bassam, Alberto Sonnino, Vitalik Buterin (https://arxiv.org/abs/1809.09044) [ZK Focused matching round with Gitcoin
Dr. John Adler of Stanford Medicine shares career experience defined by his innovative spirit in stereotactic radiosurgery, medical publishing, and beyond. He discusses how to reimagine what is possible and bring new, creative ideas into medical reality.
This week, Anna (https://twitter.com/AnnaRRose) and James (https://twitter.com/_prestwich) host Ed Felten (https://twitter.com/EdFelten) and Steven Goldfeder (https://twitter.com/sgoldfed), co-founders of Arbitrum, an Optimistic Rollup project born before the term "Optimistic Rollup" was even coined. Ed and Steven tell Arbitrum’s story, from its beginnings as a chain-agnostic university project in 2014 to become an Ethereum-based Optimistic L2 Rollup solution based on fraud proofs. They cover Arbitrum’s interactive fraud proofs, how they differ from other solutions like Optimism, and how Arbitrum and the Optimistic Rollup helps Ethereum scale. Here are some links for this episode: - Inside Arbitrum (https://developer.offchainlabs.com/docs/inside_arbitrum), an accessible general explainer about what is the Arbitrum rollup - Unwrapping Optimism with Ben and Mark, Zero Knowledge episode 177 (https://www.zeroknowledge.fm/177), the latest of our impromptu Ethereum L2 series. - Zk-zk-rollup & zk.money with Zac and Joe from Aztec, Zero Knowledge episode 176 (https://www.zeroknowledge.fm/176) - zkEVM & zkPorter with Matter Labs, Zero Knowledge episode 175 (https://www.zeroknowledge.fm/175) - John Adler on Optimistic vs ZK Rollup and the data availability problem, Zero Knowledge episode 151 (https://www.zeroknowledge.fm/151) - Why Sequencers are the Future - Mark Tyneway (Optimism), zkSessions from March 2021 (https://www.youtube.com/watch?v=U3onX8O_H4U) If you're looking to work in blockchain and the zk space, check out the ZK Jobs board (https://www.zeroknowledge.fm/zkjobsboard)! You'll find great opportunities to work at the forefront of blockchain tech, divided into business, engineering and cryptography positions. Also, we are hosting the second ZK Jobs Fair on May 19, right after our zkSessions on zk languages. Register for free here on Hopin: https://hopin.com/events/zksessions-the-zk-languages-showdown Thanks to this episode’s sponsor, Aave (https://aave.com) Aave is an open source, decentralised non-custodial liquidity protocol on Ethereum. With Aave, users can participate as depositors meaning they provide liquidity to earn a passive income. or they can also act as borrowers to borrow in an overcollateralized way or undercollateralized way (think: one-block liquidity Flash Loan). Aave recently deployed a new market on Polygon’s sidechain to let users pay much lower gas fees. Assets can be transferred from Ethereum with the Polygon Bridge and put to use on Aave’s Polygon markets. Learn more about it here. (https://medium.com/aave/exploring-new-frontiers-with-aave-59563ddd2405) So thanks again, Aave! If you like what we do: Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/TORo7aknkYNLHmCM) Catch us on Youtube (https://www.youtube.com/channel/UCYWsYz5cKw4wZ9Mpe4kuM_g) Read 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-2) Support us on the ZKPatreon (https://www.patreon.com/zeroknowledge) Donate through coinbase.commerce (https://commerce.coinbase.com/checkout/f1e56274-c92b-4a99-802f-50727d651b38) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
This week, Anna (https://twitter.com/AnnaRRose) and James (https://twitter.com/_prestwich) chat with Ben Jones (https://twitter.com/ben_chain) and Mark Tyneway (https://twitter.com/tyneslol) from Optimism, the builders of Optimistic Ethereum. The interview continues the series of L2-focused episodes we have been airing on the Zero Knowledge Podcast and comes just as Optimism gears up for launch. Anna, James, Ben and Mark discuss the inner workings of their Optimistic Rollup, diving deep into concepts like data availability, the fraud proof, the role of the sequencer and the rollup’s complex relationship with layer-one. Ben and Mark then lay out their vision for rollup-centric Ethereum and how rollup interoperability is the next major focus area for the ecosystem. Here are some links for this episode: - Handshake Protocol with Mark Tyneway, Zero Knowledge episode 132 (https://www.zeroknowledge.fm/132) - Rayonism (https://rayonism.io), the sharded rollup proposal Mark mentioned - Zk-zk-rollup & zk.money with Zac and Joe from Aztec, Zero Knowledge episode 176 (https://www.zeroknowledge.fm/176) - zkEVM & zkPorter with Matter Labs, Zero Knowledge episode 175 (https://www.zeroknowledge.fm/175) - John Adler on Optimistic vs ZK Rollup and the data availability problem, Zero Knowledge episode 151 (https://www.zeroknowledge.fm/151) - zkSessions: Why Sequencers are the Future - Mark Tyneway (Optimism), zkSessions from March 2021 (https://www.youtube.com/watch?v=U3onX8O_H4U) - The upcoming scaling Ethereum hackathon (https://scaling.ethglobal.co/) Ben mentioned. Thanks to this week’s sponsor, Least Authority (https://leastauthority.com). In addition to their security reviews of innovative projects such as Loopring, Mina, and Filecoin, this May, Least Authority will be releasing a whitepaper on ZKAPs (https://leastauthority.com/zkaps/) – Zero-Knowledge Access Passes. ZKAPs is an anonymous, token-based authorization protocol that facilitates an online exchange of value while disconnecting the necessary payment data from the day-to-day usage service data of customers. Also coming this summer is the MoonMath Manual – a beginner’s guide to zk-SNARKS, which introduces the theory and application of zk-SNARKs from various angles. Signup for Least Authority's newsletter to stay in touch and be notified of the release of the ZKAPs Whitepaper, PrivateStorage, the MoonMath Manual, continuous security audit reports, job openings and more. Visit https://leastauthority.com/newsletter (https://leastauthority.com/newsletter) to join their mailing list. *If you like what we do: * Follow us on Twitter - @zeroknowledgefm (https://twitter.com/zeroknowledgefm) Join us on Telegram (https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA) Catch us on Youtube (https://www.youtube.com/channel/UCYWsYz5cKw4wZ9Mpe4kuM_g) Read 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-2) Support us on the ZKPatreon (https://www.patreon.com/zeroknowledge) Donate through coinbase.commerce (https://commerce.coinbase.com/checkout/f1e56274-c92b-4a99-802f-50727d651b38) *Or directly here: * ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
Guests:Alex Gluchowski (@gluk64)John Adler (@jadler0)Host:Richard Yan (@gentso09)James Prestwich (@_prestwich, special co-host)Today's motion is “ZK rollup has a better set of security/scalability tradeoff than Optimistic rollup.”Rollups are a class of layer-2 Ethereum scalability solutions. They allow an off-chain aggregation of transactions inside a smart contract. Users can transact inside the contract with security guarantees, and they will settle to the mainchain at some future point.ZK and optimistic rollups are different in the way they ensure the validity of these transactions that are being kept off-chain.The ZK approach uses math. It bundles the transactions, compresses them, and adds a zero-knowledge proof that indicates the validity of the state transitions. When the transaction is sent to the mainchain, the block is verified by the attached zero-knowledge proof.The optimistic approach uses economic incentives. An operator publishes a state root that isn't constantly checked by the rollup smart contract. Instead, everybody hopes that the state transition is correct. However, other operators or users can challenge the validity of the transactions, revert the incorrect block, and slash malicious operators.We compared the two approaches from the standpoint of security, usability, capital efficiency of exits and more.Today's debaters are John Adler and Alex Gluchowski. John is the proposer of the original construction of the optimistic rollup and cofounded Celestia, and Alex is implementing a ZK rollup at Matter Labs. Our co-host James Prestwich is a security consultant and auditor for solidity contracts, among many other things.If you're into crypto and like to hear two sides of the story, be sure to also check out our previous episodes. We've featured some of the best known thinkers in the crypto space.If you would like to debate or want to nominate someone, please DM me at @blockdebate on Twitter.Please note that nothing in our podcast should be construed as financial advice.Source of select items discussed in the debate:Coindesk's layman guide for rollups: https://www.coindesk.com/ethereum-dapps-rollups-heres-whyAlex Gluchowski on the difference between the two rollups: https://medium.com/matter-labs/optimistic-vs-zk-rollup-deep-dive-ea141e71e075John Adler explains optimistic rollup: https://medium.com/@adlerjohn/the-why-s-of-optimistic-rollup-7c6a22cbb61a Celestia: https://celestia.org/Fuel Labs: https://fuel.sh/Matter Labs: https://matter-labs.io/Debater bios:Alex Gluchowski is co-founder of Matter Labs, currently working on scaling Ethereum with zkSNARKs. He was previously CTO of PaulCamper, an online platform for sharing campervans and caravans in Europe.John Adler is co-founder of Celestia and Fuel Labs. He is the original proposer of the optimistic rollup construction. He previously did layer-2 research at ConsenSys. Interestingly, he is a self-proclaimed blockchain skeptic.James Prestwich founded cross-chain solution company Summa, subsequently acquired by the layer-1 blockchain firm Celo. He previously founded Storj, a decentralized cloud storage provider.
In this episode, we chat with John Adler - co-founder of Lazy Ledger 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 myths (https://twitter.com/_prestwich/status/1284174486674083840) The LazyLedger academic paper (https://arxiv.org/abs/1905.09274) Security analysis of ORU from Fuel (https://docs.fuel.sh/v1.0.0/Concepts/Fundamentals/Security%20Analysis.html) What would a rollup-centric ethereum roadmap look like? (https://ethereum-magicians.org/t/a-rollup-centric-ethereum-roadmap/4698) Video: "Scaling Ethereum in 2020 and Beyond" - Vitalik Buterin (https://www.youtube.com/watch?v=r0jtV9mxdI0) Some additional thoughts from John on Eth1 (https://twitter.com/jadler0/status/1204444854719303680) Thanks to our sponsor Least Authority (https://leastauthority.com/). 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 jobs@leastauthority.com (mailto:jobs@leastauthority.com) Thanks again Least Authority (https://leastauthority.com/) If you like what we do: Follow us on Twitter - @zeroknowledgefm -https://twitter.com/zeroknowledgefm Join us on Telegram -https://t.me/joinchat/B81tQ57-ThZg8yOSx5gjA Catch us on Youtube -https://www.youtube.com/channel/UCYWsYz5cKw4wZ9Mpe4kuMg Read 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-2 Support us on the ZKPatreon -https://www.patreon.com/zeroknowledge Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ
Layer 2 scaling solutions have gone through a lot of iterations and disappointing conclusions in the past few years. There is a newer solution, which is boasting some positive (and safe) results: Optimistic Rollups. John Adler, Blockchain Researcher at Consensys, speaks on the history of Layer 2 solutions and describes Optimistic Rollups and how they may help with blockchain scaling. Links: John's Twitter Ethresearch Fuel Labs Lazy Ledger
This episode features John Adler, Professor of Neurosurgery at Stanford University. Here, he discusses his new age medical journal, his best advice for other leaders, and more.
Interview With The Surgeon welcomes Dr. John Adler, the Dorothy & TK Chan Professor of Neurosurgery and Radiation Oncology at Stanford University #Neurosurgeon #Neurosurgery #Radiosurgery #Cyberknife #Fellowship #Residency #Surgeon #Surgery #Doctor #SurgeonAgent
John Adler, Jr., MD John Adler is the CEO of both Zap Surgical Systems and Cureus Inc. Dr. Adler is world-renowned for inventing the CyberKnife and the related field of image-guided therapeutic radiation. Dr. Adler has been on the faculty of Stanford University since 1987, being appointed the Dorothy and TK Chan Professor of Neurosurgery and Radiation Oncology in 2007. His entire medical and neurosurgical education happened at Harvard, excepting a one-year fellowship at the Karolinska Institute with Lars Leksell, the “father of radiosurgery”. As an academician, John is the author or co-author on more than 300 peer reviewed articles and book chapters and serves or has served on the editorial boards of eight different peer reviewed journals. He is also a named inventor on more than 20 patents. While creating the CyberKnife, Dr. Adler founded Accuray Inc (NASDAQ: ARAY) in 1992 to commercialize his invention. Up until 2009 he served in varying roles at Accuray including CEO, Chief Medical Officer and Chairman. To date Accuray technology has been used to treat more than one million patients and most modern radiation equipment now incorporates John's basic idea for image-guided targeting. In 2002 Dr. Adler founded the CyberKnife Society, later (2012) renamed the Radiosurgical Society. He also serves or has served on the scientific advisory boards of 7 different medical device or pharmaceutical companies. In 2014 Dr. Adler founded Zap Surgical Systems in Silicon Valley with a mission to “Advance Cancer Treatment for All Humanity”. His invention, the Zap-X received US FDA clearance in September 2018. John also founded and serves as the Co-Editor-in-Chief of Cureus.com, the world's largest and fastest growing multi-disciplinary open access medical journal, publishing nearly 3000 peer-reviewed articles each year. Unrealistically and even laughably John yearns to live the peripatetic life of a big wave surfer.
John Adler, co-founder of Fuel Labs and long time Ethereum Layer 2 scalability researcher joins the podcast. John walks us through the history of Layer 2 scaling solutions attempted on Ethereum and brings us to the reason he co-founded Fuel Labs. They are looking to help scale Ethereum using optimistic rollups with an emphasis on the payments use case. John has an extremely deep understanding of Ethereum and layer 2 scaling. He also shares his thoughts on ProgPoW and flash loans.
John Adler: CEO, Call Control Episode 5 of “Getting Neighborly” features Fairview, Texas resident John Adler, co-founder and CEO of Call Control, a crowd-sourced solution that blocks millions of robocalls and scams worldwide, allowing consumers to personalize the calls they receive. John’s extensive information technology experience has ranged from multinational companies to startups. Not long after moving with his family to Fairview in 2001, John founded a technology committee to help bring better communications services, rates and choices to the community. He also served on the Fairview Town Council from 2014-18. “Fairview is a quilt, in a lot of ways. Some folks like to have a lot of uniformity, but I view it as choice … What makes the town special is that you can really make a difference; you can reach out and connect with people.”
Layer 2 scaling solutions have gone through a lot of iterations and disappointing conclusions in the past few years. There is a newer solution, which is boasting some positive (and safe) results: Optimistic Rollups. John Adler, Blockchain Researcher at Consensys, speaks on the history of Layer 2 solutions and describes Optimistic Rollups and how they may help with blockchain scaling.Links:John's TwitterEthresearchFuel LabsLazy Ledger
A conversation with Dr. John Adler
On this episode I sit down with my new bud Chef John Adler (@jonadzer) and we cover a wide range of culinary topics beginning with his history as a chef, his training and his love for cooking. I pick Chef Jon's brain and we get into the complexities of flavors, how to conserve everything and then pickling and lacto-fermentation. Chef Jon schools me on all kinds of cooking methods and we even touch on the topic of foraging and hunting. Intro music is June Leaf by Dead Friend.
This is the December 2006 Fine Art Photography review. The subject is a photograph taken by John Adler. The review is in movie format.
John Adler, Founder of Accuracy, and Trip Adler, Founder and CEO of Scribd, father and son, both successful entrepreneurs, discuss their experiences founding their own businesses. (January 13, 2010)
John Adler and Trip Adler discuss their entrepreneurial experience and evolution as business leaders: John Adler describes his bumpy course in developing his biotechnology company, Accuray Incorporated; while his son Trip emphasizes the need for persistence and confidence in developing Scribd, a social publishing site. Despite building companies in different fields, the two offer the same central advice toward building a successful business: trust yourself, focus on developing a great product, and remember that there are no rules.
Dr. John Adler, Jr. and John "Trip" Adler III discuss their entrepreneurial experience and evolution as a business leader: For Dr. Adler, he describes his bumpy course in developing his biotechnology company, Accuray Incorporated; for his son Trip, he emphasizes the persistence and luck in developing Scribd, a social publishing site. Despite building companies in different fields, the two offer the same central advice necessary in building a successful company: trust yourself, have common sense, and there are no rules.
John Adler and Trip Adler discuss their entrepreneurial experience and evolution as business leaders: John Adler describes his bumpy course in developing his biotechnology company, Accuray Incorporated; while his son Trip emphasizes the need for persistence and confidence in developing Scribd, a social publishing site. Despite building companies in different fields, the two offer the same central advice toward building a successful business: trust yourself, focus on developing a great product, and remember that there are no rules.
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