《IOSG: The Payment Moment for AI Agents – Who Will Be the Stripe of the Machine Economy?》 Agent Payment is moving from PoC to the infrastructure phase, with x402 and MPP merging into an open, commercialized infrastructure. Facilitators control signature keys and spending strategies, potentially becoming key hubs in the payment ecosystem. Stripe MPP is the first to achieve coexistence of stablecoins and fiat within the same protocol. Visa/card networks have the advantage of coverage and compliance, continuing to dominate via card channels in the short term, while stablecoin acceleration and cross-chain collaboration may emerge in the long term. Core challenges include identity verification, compliance, cross-chain issues, and insufficient vendor coverage. Timing and trust will be decisive factors. Read the full article: http://(wublock123.com)/articles/article-58987