Block Adds Bitcoin Lightning Payments to x402 for AI Agents

The significance here is less about Lightning itself than about who is doing the integrating: Block joining Google, Microsoft, AWS and Coinbase suggests x402 is consolidating into a de facto standard rather than a fragmented field of competing agent-payment schemes. If agentic commerce settles on one protocol, the choice of underlying rails becomes a structural question for the crypto industry, not a product feature. Whether Lightning's capacity and liquidity can carry machine-to-machine volumes, and whether the standard stays open as large incumbents shape it, are the open questions worth watching.