The financial infrastructure of the internet is being re-architected. On March 18, 2026, the launch of the Machine Payments Protocol (MPP) and the Tempo mainnet signaled the possible end of the ...
“Remember when your browser said 404 Not Found? Well, now it might just say 402 – Payment Required.” This tongue-in-cheek greeting belies a serious development: x402, Coinbase’s new open payment ...