1. Coinbase: Buidl the Future Hackathon - Price won: 5000$ - link:https://buidl-the-future.hackerearth.com/challenges/hackathon/buidl-the-future/custom-tab/xdc/#xdc - winners link:  https://www.xdc.dev/tpada13/buidl-the-future-coinbase-hackathon-winners-5anc  ,      2. Coindesk: Web3athon Consensus 2023 Hackathon - Price won: 2000$(Bounty) - link: https://web3athon2023.hackerearth.com/ - Bounty winners: https://twitter.com/civickey/status/1673809655607468032?t=yhbhLgNCo2S29QoPK_Rkgg&s=19  ,       3. Moonbeam: Bear Necessities Hackathon -Price won: 2000$ - link: https://moonbeam.hackerearth.com/ - winners: https://moonbeam.network/announcements/beary-delightful-meet-the-winners-from-the-bear-necessities-hackathon/  ,       4. Onyx: Digital Identity Hackathon - Price won: 1050$ - link:  https://www.blog.encode.club/digital-identity-hackathon-sponsored-by-onyx-by-j-p-morgan-prizewinners-and-summary-5edbfc178f0d?source=friends_link&sk=aaf28b514ebf7cc31c879b3eca77bc70