[{"data":1,"prerenderedAt":166},["ShallowReactive",2],{"blog-post-\u002Fblog\u002Fsui-hackathon-paris-2025":3},{"id":4,"title":5,"author":6,"body":7,"category":147,"cover":148,"date":149,"description":150,"extension":151,"featured":152,"meta":153,"navigation":154,"path":155,"readingTime":156,"seo":157,"stem":158,"tags":159,"__hash__":165},"blog_en\u002Fblog\u002Fsui-hackathon-paris-2025.md","DeVinci Blockchain Sui Hackathon: 15 Projects Built Over a Weekend in Paris","DeVinci Blockchain",{"type":8,"value":9,"toc":134},"minimark",[10,22,25,30,33,36,39,43,48,54,57,60,63,71,75,80,83,90,94,99,102,105,112,116,119,123,126,129],[11,12,13,14,21],"p",{},"On November 22 and 23, 2025, DeVinci Blockchain hosted a Sui hackathon on the Pôle Léonard de Vinci campus in Paris La Défense. Over one weekend, teams of two to five built prototypes on Sui, using its Move language. In total, 15 projects were submitted on the ",[15,16,20],"a",{"href":17,"rel":18},"https:\u002F\u002Fdorahacks.io\u002Fhackathon\u002F1792\u002Fbuild",[19],"nofollow","Paris DoraHacks page",", competing for a $5,000 prize pool.",[11,23,24],{},"The Paris event took place alongside a second Sui hackathon in Marbella, run with The Bridge. Both hackathons were the first step of a months-long selection of Move builders, which led to a bootcamp in Paris in February 2026.",[26,27,29],"h2",{"id":28},"a-weekend-to-build-on-sui","A weekend to build on Sui",[11,31,32],{},"The hackathon was open to engineering students, designers and product enthusiasts, with no prior Sui experience required. Saturday opened with an introduction to Sui and Move, followed by team formation and the first hacking sessions. Sui mentors held project check-ins in the afternoon, and the venue stayed open overnight, with mattresses set up for those who coded until morning. Each submission required a code repository and a demo video, and the teams pitched to the jury on Sunday afternoon.",[11,34,35],{},"The suggested themes included DeFi, games and NFTs, developer tooling, identity and wallets, and social impact. The three winning teams all built on two parts of the Sui stack: Walrus, the decentralized storage network, and Seal, which handles encryption and access control.",[11,37,38],{},"Alexandre Mourot, a developer ambassador for the Sui Foundation and a member of the EPFL Blockchain Student Association, led the selection program behind the bootcamp. Over the same weekend, he ran workshops and judged both the Paris and Marbella hackathons.",[26,40,42],{"id":41},"meet-the-winners","Meet the winners",[44,45,47],"h3",{"id":46},"joint-1st-place-sirius","Joint 1st place: Sirius",[11,49,50],{},[51,52,53],"em",{},"Ali Ben Yezza, Rayan El Idrissi",[11,55,56],{},"Sirius turns Walrus into a zero-trust, Git-like platform for sensitive datasets: each version is encrypted, stored and traced, so that the data can be verified before it is written to the blockchain.",[11,58,59],{},"The source of truth lives in Sui Move objects. A Repository object holds ownership, permissions and the latest commit, and each Commit object points to the one before it, which enforces a single linear history with no forks. Files are encrypted before upload and stored on Walrus with a manifest, and their keys are sealed with Seal: only the addresses allowed by an on-chain policy can decrypt them. A Merkle root of each manifest is written on-chain, which makes any tampering detectable.",[11,61,62],{},"The prototype also includes a first AI review of uploaded content. According to Alexandre Mourot, the team was moving these checks to Nautilus, which runs them inside a trusted execution environment (TEE) and makes them verifiable.",[11,64,65,66],{},"GitHub: ",[15,67,70],{"href":68,"rel":69},"https:\u002F\u002Fgithub.com\u002Frayan-elidrissi\u002Fsirius",[19],"rayan-elidrissi\u002Fsirius",[44,72,74],{"id":73},"joint-1st-place-drsui","Joint 1st place: DrSui",[11,76,77],{},[51,78,79],{},"Team SUI FAM",[11,81,82],{},"DrSui gives patients control over their medical data. Records are encrypted end to end with Seal as soon as they leave the hospital, then stored on Walrus. Patients grant decryption rights to specific doctors through on-chain access control and can revoke them at any time. The app relies on sponsored transactions, so users do not need to hold any crypto to pay gas. The team's longer-term goal is a trusted layer for exchanging medical imaging in decentralized science (DeSci).",[11,84,65,85],{},[15,86,89],{"href":87,"rel":88},"https:\u002F\u002Fgithub.com\u002F0xEl1yahu\u002FDrSui",[19],"0xEl1yahu\u002FDrSui",[44,91,93],{"id":92},"_3rd-place-sail","3rd place: Sail",[11,95,96],{},[51,97,98],{},"Lucas Leclerc, Aurelien Demeusy, Jules Lordet and a fourth teammate, of PoC Innovation (Epitech)",[11,100,101],{},"Sail is a no-code tool for building flash loans on Sui. A flash loan lets a user borrow without collateral, as long as the loan is repaid within the same transaction. Sail turns each step of such a transaction into a visual block, then chains the blocks atomically with Sui's Programmable Transaction Blocks. Every strategy can be simulated before it runs, to estimate gas and profit.",[11,103,104],{},"The team integrated Navi for flash-loan liquidity and Cetus for swaps, with use cases such as arbitrage between two pools, collateral swaps and refinancing a position before liquidation. Strategies can also be sold on a built-in marketplace, where each one is encrypted with Seal and stored on Walrus.",[11,106,65,107],{},[15,108,111],{"href":109,"rel":110},"https:\u002F\u002Fgithub.com\u002FPoCInnovation\u002FSail",[19],"PoCInnovation\u002FSail",[44,113,115],{"id":114},"other-notable-projects","Other notable projects",[11,117,118],{},"Alexandre Mourot also singled out two other Paris builds: Prophecy, a prediction market in which the collateral behind each bet earns interest through Suilend, and SuiLens, a developer tool that maps the dependencies of Sui packages as interactive graphs.",[26,120,122],{"id":121},"from-paris-to-the-february-bootcamp","From Paris to the February bootcamp",[11,124,125],{},"From February 9 to 14, 2026, the 40 builders chosen at the end of the selection met on the same campus for a week-long Move bootcamp, organized by DeVinci Blockchain with the support of the Sui Foundation.",[11,127,128],{},"Sirius has since had a second life. In April 2026, Ali Ben Yezza and Noé Wales, both ESILV engineering students, brought a new version, Sirius 2.0, to Hack the Block in Paris, this time on the XRP Ledger as a lending pool for AI datasets, and won the Boundless prize.",[11,130,131],{},[51,132,133],{},"Organized by DeVinci Blockchain on the Pôle Léonard de Vinci campus, with Adrian Verdes and Romain Thépaut leading the organization in Paris.",{"title":135,"searchDepth":136,"depth":136,"links":137},"",2,[138,139,146],{"id":28,"depth":136,"text":29},{"id":41,"depth":136,"text":42,"children":140},[141,143,144,145],{"id":46,"depth":142,"text":47},3,{"id":73,"depth":142,"text":74},{"id":92,"depth":142,"text":93},{"id":114,"depth":142,"text":115},{"id":121,"depth":136,"text":122},"Hackathon","\u002Fblog\u002Fsui-hackathon-paris-2025.jpg","2025-11-23","DeVinci Blockchain hosted a Sui hackathon in Paris, the first step toward a Move builder bootcamp. Meet the three winning projects.","md",false,{},true,"\u002Fblog\u002Fsui-hackathon-paris-2025",null,{"title":5,"description":150},"blog\u002Fsui-hackathon-paris-2025",[160,161,162,163,164],"Sui","Move","Walrus","Seal","hackathon","LhsJssWNTLcSKcivsWVOZ9vR-0PGnZw8Fnf5G9lF9bI",1793038221482]