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. ------ ? Opolis | Get 1000 $WORK and 1000 $BANK https://bankless.cc/opolis  ------ ? SUBSCRIBE TO NEWSLETTER: https://newsletter.banklesshq.com/?utm_source=banklessshowsyt  ?️ SUBSCRIBE TO PODCAST: http://podcast.banklesshq.com/  ------ BANKLESS SPONSOR TOOLS: ⚖️ ARBITRUM | SCALING ETHEREUM https://bankless.cc/Arbitrum  ❎ ACROSS | BRIDGE TO LAYER 2 https://bankless.cc/Across  ? BRAVE | THE BROWSER NATIVE WALLET https://bankless.cc/Brave  ? NEXO | CRYPTO FINANCIAL HUB https://bankless.cc/Nexo  ? LEDGER | NANO HARDWARE WALLETS https://bankless.cc/Ledger  ⚡️FUEL | THE MODULAR EXECUTION LAYER https://bankless.cc/Fuelpod  ------ Topics Covered 0:00 Intro 3:56 John’s Background 5:30 Creating Optimistic Rollups 6:56 Fuel’s Design Choice 9:50 Defining a Rollup & Modular Execution Layers 18:00 More Modular L2s 18:53 Fuel Flexibility 20:36 Data Compression 21:24 Fuel VM 26:55 The Fastest 35:27 Reducing Waste & Speed 38:42 Fuel Origin & Roadmap 48:59 Fuel’s Growing Ecosystem 52:36 Where Are L2s Going? 1:00:50 Call to Action For Listeners ------ Resources: John Adler https://twitter.com/jadler0  Fuel Labs https://twitter.com/fuellabs_  Celestia Labs https://twitter.com/CelestiaOrg  ----- Not financial or tax advice. This channel is strictly educational and is not investment advice or a solicitation to buy or sell any assets or to make any financial decisions. This video is not tax advice. Talk to your accountant. Do your own research. Disclosure. From time-to-time I may add links in this newsletter to products I use. I may receive commission if you make a purchase through one of these links. Additionally, the Bankless writers hold crypto assets. See our investment disclosures here: https://www.bankless.com/disclosures