Foresight News reported that Solana Developers announced the official winners of the main tracks of the Solana x402 Hackathon. The winning projects include: Best x402 API Integration: Intelligence Cubed, which provides on-chain model registration, author rights, valuation, and automated revenue distribution based on x402; Best x402 Proxy Application: Solana ESP32 Native x402, enabling hardware proxies to run native x402 micropayments directly on ESP32 devices; Best MCP Server: x402 Shopify Commerce, allowing Shopify stores to instantly support native x402 orders and payments; Best Trustless Proxy: Amiko Marketplace, offering on-chain identity, behavior records, and reputation management; Best x402 Development Tool: MoneyMQ, building a message queue architecture for x402 to support scalable proxy payment flows between applications and services.