On December 10, 2025 in San Francisco, CARV launched Cashie 2.0 integrating the x402 protocol to convert social engagement into verifiable on-chain rewards, according to Chainwire. The upgrade positions Cashie as a programmable layer that links social activity to economic outcomes and adds CARV ID mapping, ERC-8004 agent tools, Base-ready facilitator endpoints, an AI-native API, and a $45,000 creator campaign.