Spiral is building Bitcoin payments into Mesh LLM, its peer-to-peer AI inference network, so machines can buy and sell AI compute directly over Lightning without traditional payment rails. Mesh LLM pools idle GPU power to run open-source AI models collaboratively at scale. As of October 3, 2026, the team publicly discussed ongoing progress and flagged verifiable compute as the main outstanding challenge. Spiral was launched by Block in 2019 to fund open-source Bitcoin development and has since expanded into AI infrastructure.
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