Welcome to the database where you can see all previous projects from our past hackathons.
Hybrid EVM/WASM execution sandbox on Robinhood Chain using Stylus as a math coprocessor to physically block AI agents from executing volatile trades.
Building the permissionless conviction market for anyone who wants to earn from the opinions they already share online.
Perpetual DEX + prediction markets + tokenized TradFi on Arbitrum One — live mainnet May 2026, <10ms execution, 50x leverage
GrantOS is the first onchain grant protocol that enforces milestone delivery with cryptographic proofs not trust, not screenshots, not committee opinion. The contract verifies. The code runs.
"A frictionless, AI-driven security agent on WhatsApp/Telegram that provides real-time transaction risk analysis and dApp auditing for the Arbitrum ecosystem."
HashFit is a sportswear brand taking the Web3 cultural layer beyond DeFi, proof that physical consumer brands can be built natively on-chain from day one.
On-chain AI compliance infrastructure for autonomous AI agents. Immutable audit trails, ZK-proof verification, and automated EU AI Act reporting (Articles 9-15, 50, 53, 72) deployed on Arbitrum One and 4 other EVM mainnets. 169/169 tests passing. EU AI Act enforcement deadline August 2026.
Eliezer Suite is an AI-powered freight logistics on Arbitrum. It solves payment risk, compliance opacity, and paper-based title documents in US–Nigeria shipping using on-chain escrow, tamper-proof com
Palpitada is live on Arbitrum since Dec/25 with a dual-engine prediction market — LMSR for cold-start liquidity + on-chain CLOB for liquid markets. Nobody else combines both. Add gasless EIP-712 transactions, native USDC settlement, $1 minimum bets, and a mobile-first PWA, and you get prediction markets that actually work on a phone — for everyone, everywhere. We're an Arbitrum Foundation grant recipient ($49k, Nethermind audit in progress). Beta in production, organic users, real volume. The hard tech is shipped: smart contracts, subgraph, EIP-712 gasless transactions, embedded wallets with social login, USDC settlement, PIX rails in Brazil — all built solo, all live on Arbitrum mainnet. Buildathon = scale what's already shipped.
Injective AI Copilot Bot is an AI-powered Telegram assistant that helps users monitor, analyze and optimize their on-chain portfolios within the Injective ecosystem.
RADAR is a read-only Injective wallet safety console that scans live portfolio data and explains balances, exposure, liquidation posture, concentration, and risk before users act.
Prime Vaults V2 is a 3-tranche principal-first primitive for on-chain RWA and yield-bearing stablecoins, targeting institutional LPs.
