On December 10, 2025, CARV launched Cashie 2.0 with x402 integration to convert social engagement into automated, verifiable on-chain rewards. The upgrade adds x402 Payment, CARV ID mapping, and an ERC-8004 agent, along with an AI-native API and txhash verification. A $45,000 creator campaign will incentivize adoption across the Base ecosystem.

On December 8, 2025 in New York, Sonami unveiled $SNMI, which it describes as the first Layer 2 token on the Solana blockchain, aimed at improving reliability and transaction efficiency during periods of peak demand, according to a Chainwire announcement. The project’s Layer 2 design bundles multiple user interactions into single transactions that settle on Solana’s Layer 1 to reduce congestion. A presale is underway, with a Token Generation Event and listings on decentralized and centralized exchanges planned after the presale.