Greg Brockman reports XBOW used GPT-5.6 Sol over six days and $40,000 of compute to win Google's first 2026 full-chain Chrome bounty worth $250,000 for a flaw affecting an estimated one billion users.

Celo opens Onchain Agents Hackathon submissions for two weeks with $5K bounty targeting onchain FX, payments and DeFAI builds at current price $0.07.