Welcome to the database where you can see all previous projects from our past hackathons.
Forwards on Robinhood Stock Tokens, priced on-chain from interest-rate parity instead of quoted by a dealer. RFQ, two-sided margin, liquidation, bad-debt waterfall and cash settlement.
AfterHours is a lending protocol on Robinhood Chain that lets you borrow USDG against tokenized stocks like NVIDIA, Apple, Tesla and the S&P 500, any time of day. Unlike generic crypto lending, it follows the stock market clock. Borrow limits are higher during market hours and tighter overnight. A small after-hours fee funds a reserve that protects lenders from opening-bell crashes. Liquidations only happen on real post-open prices after a short grace period. Dividends automatically pay down loans, and stock splits never affect a loan's safety. It's a hackathon prototype running on testnet with test tokens and has not been audited.
Thenar pays people in dollars to teach robots. Funders post tasks ("put the apple in the basket") with a bounty in Paxos USDG, held in escrow on Arbitrum and funded with one gasless signature. Operato
Building the sovereign tech stack for the open internet
Building the sovereign tech stack for the open internet
AI agents should agree on what counts as completed work before money moves. Agent3 Deal connects negotiated terms, escrowed USDC payment, delivery checks, and outcome-backed reputation.
Multilateral clearing and liquidity layer for autonomous machine payments. NORN eliminates 91% of transfer overhead by collapsing circular debt loops across AI agents before onchain settlement.
KOMA is an AI comic studio and series launchpad on Arbitrum. Describe a story and KOMA writes, draws and letters it in about a minute. It costs 10¢ a page in USDC, paid with one x402 signature and no
Decentralized storage platform with ZK proofs verified on Arbitrum
A trust-first wallet dashboard on Arbitrum Sepolia: nothing is displayed that cannot be derived from live chain state — with a guided tour that walks you through your first on-chain transaction.
Demand is a demand-first marketplace where buyers commit capital before suppliers exist. Capital proves demand; suppliers respond to markets buyers have already created.
Goblin is a fully on-chain limit order book built on Arbitrum Stylus and Robinhood chain. Matching and settlement both happen on-chain, with no operator and no off-chain