> For the complete documentation index, see [llms.txt](https://ai-pin.gitbook.io/whitepaper/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ai-pin.gitbook.io/whitepaper/timeline.md).

# TIMELINE

- [2026](https://ai-pin.gitbook.io/whitepaper/timeline/2026.md): AIPIN and x402 unite AI, BTC, and automation — introducing Lightning-powered payments, humanoid AI interfaces, decentralized agent marketplaces, and the next-gen Agent-as-a-Service (AaaS) economy.
- [2025](https://ai-pin.gitbook.io/whitepaper/timeline/2025.md)
- [2024 Q1-Q4](https://ai-pin.gitbook.io/whitepaper/timeline/2024-q1-q4.md)
- [2023-Past](https://ai-pin.gitbook.io/whitepaper/timeline/2023-past.md)