# Remco Bloemen I Worldcoin Product Announcement | Pragma Lisbon 2023 - Speakers: [Remco Bloemen](https://streameth.org/speakers/remco-bloemen) - Channel: [ETHGlobal](https://streameth.org/ethglobal) - Date: 2023-10-09 - Duration: 14:17 - Topics: Worldcoin, Optimism Superchain, OP Stack, World ID, Orb, proof of personhood, digital identity, Web3 identity, decentralized identity, EIP-4844, zk proofs, zero knowledge, World App, Gnosis Safe, gasless transactions, Meta transactions, Superchain NFT, mobile zk proof, self-custody wallet, AI identity, Web3 scaling, human verification, OP Labs, blockchain privacy, quadratic voting, airdrops, protocol hiring, developer bounties, Pragma Lisbon - Watch: https://streameth.org/watch/yt-FXl4FJ3fluI - YouTube: https://www.youtube.com/watch?v=FXl4FJ3fluI ## Description Remco Bloemen of Worldcoin takes the stage at Pragma Lisbon 2023 to announce that Worldcoin is officially joining the Optimism Superchain. In this talk, Remco shares the mission behind Worldcoin β€” creating a global identity and financial network β€” and dives into the technology behind the Orb, World ID, and World App. He discusses why proof of personhood is crucial in the age of AI and how privacy-preserving digital identity will shape the next generation of decentralized apps. Learn why Worldcoin chose the OP Stack, how they deployed 1.7M Gnosis Safes, and how EIP-4844 and mobile ZK proof generation are key to onboarding a billion users. The talk closes with an NFT giveaway and a call to developers to help shape the future of human-centric blockchain systems. 00:00 Intro to Worldcoin announcement 00:37 Mission: Solving AI-era identity 01:11 Why blockchain needs proof of humanness 01:42 Why iris biometrics and the Orb 02:51 Privacy by design and World ID 03:27 World App overview and adoption 04:06 Use cases for World ID and SDK 04:52 Why Worldcoin needs a billion-user chain 06:04 Requirements for a global chain 06:44 Exploring scalability and early designs 07:51 Hubble implementation and limitations 08:32 Transition to EVM and gnosis safes 09:45 Gas subsidy and user volume 10:23 Launching on Optimism Superchain 11:06 Benefits of the OP Stack and 4844 11:44 Migrating 1.7M users to Optimism 12:27 Optimism team joins to share NFT + bounties 13:33 Hiring and developer opportunities _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ πŸ‡΅πŸ‡Ή *Pragma Lisbon* Pragma Lisbon 2023 took place at Casa do Alentejo on May 11, 2023, and was an in-person summit for builders and leaders in the web3 ecosystem. Pragma is a one-stage conference with founders-only on stage, bringing together a small group of curated attendees and speakers to discuss the future of web3 and reflect on the past. Watch the full Pragma Lisbon 2023 playlist here: https://youtube.com/playlist?list=PLXzKMXK2aHh7nuyBq4GojkgAhqoRtsi9K&si=pYS-TR5BOQSZ3YGi ETHGlobal's Pragma series takes place in cities around the world, and is designed to be a different kind of event. Ever since we first introduced our new event series, Pragma, in Tokyo in the spring of 2023, we have been fostering a curated, global community of individuals who deeply care about web3. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ βœ… *Follow Worldcoin* X: https://x.com/worldcoin βœ… *Follow Kartik Talwar* X: https://x.com/therealkartik Warpcast: https://warpcast.com/kartik βœ… *Follow ETHGlobal* X: https://x.com/ETHGlobal​ Warpcast: https://warpcast.com/ethglobal Website: https://ethglobal.com YouTube: https://www.youtube.com/c/ETHGlobal _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _Are you interested in Ethereum development and entrepreneurship?_ πŸ‘‰ Sign up for the next ETHGlobal event: https://ethglobal.com/events 🎁 Get exclusive access and perks with ETHGlobal Plus! https://ethglobal.com/plus πŸ“£ Want us to throw an event in your city? Tell us where! https://ethglobal.com/city _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _