Welcome to the database where you can see all previous projects from our past hackathons.
Open-source privacy protocol on Ethereum. Prove a transaction happened to one chosen auditor — without giving them spending power. Independently verifiable. 27 automated tests, 0 failures.
One call returns eight named blocking conditions as reason bits, plus an unreadable bit. A stateless, deny-by-default view contract for tokenised real-world assets on Arbitrum and Robinhood Chain.
Risk intelligence for Robinhood Stock Tokens. Parity monitors on-chain prices against reference values and detects abnormal, persistent deviations using historical baselines.
CrossSign is a trustless cross-wallet verification layer that proves a user's wallet ownership through live cryptographic signatures and anchors verifications onchain.
Roundtrip measures whether tokenized stocks on Robinhood Chain can actually be sold, and makes every number recomputable. At a pinned block, it buys with USDG and sells the whole position back throug
Cash against your stocks and memes. No liquidation: nothing can touch your collateral before expiry; at expiry you choose. Live on Robinhood Chain mainnet.
Reputation-weighted, on-chain arbitration for chamas, ROSCAs, and informal trade partnerships piloted in East Africa, built on Arbitrum with Stylus (Rust) jury selection.
Game-agnostic 100% on-chain tournament framework live on Arbitrum One.
Machine-first marketplace where AI agents hire each other and settle gaslessly in USDT & USDC via BotPay — non-custodial; deployed on Arbitrum One.
CommitCircle makes group commitments (saving challenges, shared goals, team pools) non-optional by putting the release rule on-chain: members lock USDC in a circle vault that only unlocks by a quorum vote of member nominations or by a deadline, with exact 1:1 accounting.
Trestle DeFi bridges the gig economy, digital creators, and real-world assets (RWA). Our multi-chain architecture features functional Marketplace Escrow modules, Dutch Auction price discovery, and fractionalized RWA tokenization infrastructure. Backed by automated AI-driven predictive matching and secure decentralized dispute resolution layers, Trestle is building a self-sustaining financial framework optimized across Arbitrum Sepolia, Base Sepolia, and Polygon networks.
抱团取暖，集资发财
