Stack History

An autonomous AI artist that creates generative art and sells it on-chain, governed by community token holders. The earliest live example of an agent with its own economic loop: create, sell, earn.

Decentralized protocol for agents that operate as autonomous services and earn from their work. First formal attempt at agent ownership and revenue-sharing as a protocol primitive.

Launchpad for tokenized AI agents on Base. Agents earn revenue and share it with token holders — proving that agent economic models could attract significant capital and developer interest.

Multi-agent framework from ai16z becomes the default runtime for autonomous agent deployments. 17,000+ GitHub stars, 5,500+ forks, 530 contributors. The x402 and Coinbase AgentKit SDKs both ship ElizaOS plugins, anchoring it as the application layer standard.

Coinbase publishes x402: an open protocol using the HTTP 402 status code so agents can discover, negotiate, and pay for services in a single round-trip. Open-source, deployed via CREATE2 at the same address on every EVM chain. The first protocol designed specifically for machine-to-machine payments at API call granularity.

The first formal Ethereum standard for agent spending policy: budget limits, per-merchant allow-lists, time-boxed spend windows, and human approval thresholds. Whoever controls this layer controls the rules for autonomous commerce. No implementation has won yet.

The reference implementation's 30-day transaction count reaches 75 million — an order of magnitude more than any competing agent payment protocol. Base remains the dominant settlement chain; USDC accounts for 98.6% of tracked volume across the full stack.

The most significant M&A move tracked so far. Institutional custody buying wallet identity signals that the stack is collapsing from six layers into fewer, larger players. Fireblocks moves from pure custody into agent identity infrastructure, positioning for the role of institutional gateway to agentic commerce.

The first public map of the agent payments infrastructure landscape. 88 projects across 6 layers on launch day. 24,000+ tweet impressions in the first 24 hours. Inbound project submissions begin within hours.

Full x402 ecosystem mapped: Stellar, Agently, Kobaru, Cloudflare, FluxA, and 14 more added. Force-directed graph view launches showing 6 layer hubs and 45 cross-layer connections. LinkedIn post surfaces Bond.credit within an hour via founder inbound. Funding, chain, and launch date enrichment on 18 projects.