We are excited to become the winner #2 On the Mantle Global Hackathon!
Thanks to @Mantle_Official for the Hackathon, Judges and the Organizer & thanks for @devweb3jogja to help us improving our project!
1️⃣ First Track: ZK & Privacy
⌚ 2PM – 2:45PM UTC
This track introduces teams pushing zero-knowledge and privacy forward, from core ZK primitives to compliant, real-world applications backed by cryptographic guarantees.
Feat. Judges:
@NPC_Leo — @snzholding, Community Partner
@cptn3mox — @hashed_official, Senior Investor
@whisker17 — Mantle, Protocol Research
@0x_Specter — Mantle, Growth Lead
Dev Web3 Jogja berhasil tembus ke Demo Day @Mantle_Official Global Hackathon 2025 di tanggal 3 & 4 Februari 2026 dengan mengirimkan 3 perwakilan:
🔥 @BimaJadiva07 (ZKPull)
🔥 @akbarwijayaok (Predix Protocol)
🔥 @Ozan_OnChain (Archa)
Admin ucapkan selamat & semangat menempuh demo day besok!
Jangan lupa bawa juara ke Jogja ya! 🫡
3/ Standouts with Real-World Utility:
• Xora Social: Privacy-first onchain social network
• XO Market: Permissionless prediction markets
• Lazy Dev: Gamified open-source contributions using zkTLS
The message? Celestia’s design space attracts new ideas — not just copies of what already works.
Mammothon App Breakdown #2: wearelazydev
@wearelazydev is a developer bounty app that aims to change the way developers are rewarded for their contributions to open-source projects.
It does this by leveraging zkTLS, or “Zero-Knowledge Transport Layer Security”, which allows users to bring sensitive web2 data, such as credit scores or Github details, while maintaining privacy.
Here’s a simple breakdown of zkTLS, by @0xNairolf: https://t.co/P0WBXoBPFR
So how does wearelazydev work?
1️⃣ Alice creates a bounty on the app for a new feature she wants in her open-source game. She sets a due date & reward (paid in LAZY tokens).
2️⃣ Bob sees the bounty on the app & decides to complete it. He writes the code & submits a pull request (PR) on GitHub. (in other words, he asks Alice to check his work)
3️⃣ Alice then reviews Bob’s work (pull request), and has two choices:
❌ Reject it → Bob gets nothing
✅ Merges it → Code accepted & added to main project
4️⃣ Once Bob’s work is merged, zkTLS generates a proof, which confirms that Alice did merge Bob’s work into her project.
5️⃣ The proof is then verified, and if valid, Bob’s reward is instantly claimable, without having to rely on some third party to release the reward, or without Bob having to go through some intricate process.
I should note that zkTLS in this context is also used to verify that it was really Bob's Github account that did the work.
This also means that Bob’s data remains private, and does not risk any data exposure. He just connects his wallet, completes the coding task, and earns rewards.
& in terms of onboarding, a user would need a traditional web3 wallet, although there are various options, including Metamask, SubWallet, Phantom, Rainbow, Keplr, & Backpack.
Roadmap
➡️ Community expansion through challenges
➡️ Badges & other gamified experiences
➡️ LAZY token integration
➡️ Cross-chain compatibility
➡️ Decentralized governance
Team
@BimaJadiva07@makantersera
🚨 Mammothon Demo Day Recap!
At @Cumulo_pro 🌩️ we’ve put together a summary of the best moments from @celestia global hackathon Mammothon 🦣 🌐💻
🛠️ 4,000+ participants
⏳ 28 days of building
💰 $275K prize pool
🎯 250 teams, 35 ideas
🏆 11 winning teams showcasing top-tier Web3 innovation 👇
🎉 here you have the Winners:
• @weavefg: – Digital identity with ZK proofs
• Hakatchi – On-chain ghost raising game
• @wearelazydev: – Automated dev rewards
• @PrivaCT_dev: – Browser security extension
• @evolute_studio Kingdom: Mage Duel – On-chain board game
• On Meme – NFT meme marketplace
• @xomarket: – Decentralized prediction market
• @mammothos: – Frictionless Web3 gaming
• @provethemedia: – Verifiable media provenance
• @genartzcom: – Generative art NFT hub
• @xorasocial: – Censorship-resistant Web3 social
📖 Read our full recap here:
👉 English version: https://t.co/KN3Ww5vIIJ
👉 Versión en Español: https://t.co/YxM0MDg8JL
#Web3 #Celestia #Hackathon #Mammothon #Blockchain #Cumulo
What a way to wrap up Mammothon!🦣
The finale was a big success - winners crushed their demos, the chat was popping off, and the energy was unreal.
Huge THANK YOU to everyone who built, judged, and supported. This is just the beginning - can’t wait to see what’s next!
🔥iykyk
Mammothon winners revealed! 🏆
Congratulations to the 3900+ builders who created 100+ projects in the largest Celestia hackathon yet.
Let’s meet the winners.