PANews reported on December 3rd that Solana Developers announced the winners of its x402 Hackathon Collaboration Track, recognizing several innovative projects covering AI agents, micropayments, Web3 data, and prediction markets. Winners include Sentinel Agent (on-chain AI payment platform), Galaksio (USDC for computing power and storage), Learn Earn (self-learning module), ParallaxPay (AI agent marketplace), Agentx402 (advanced AI model without subscription), x402 Triton Gateway (micropayment gateway for querying historical Solana data), scanna-x402 (x402 payment based on Web3 consumer data), InsightAI (TG Bot with whale signal), Marketputer (meme marketing assistant), Polycaster (AI-driven prediction market analytics), and x402Resolve (Oracle-verified payment escrow). Multiple projects showcased new scenarios for AI interaction and on-chain economics based on the x402 protocol.