Over the past week, a quiet revolution has been stirring in crypto circles. Developers, investors, and tech analysts are suddenly talking about something called x402. It’s not a token, not a DeFi protocol, and not another hype cycle. Instead, it’s a piece of technology that could redefine how the internet handles money. x402 takes its name from an old HTTP status code, 402 – Payment Required, which has existed since the 1990s but was never actually used. Coinbase’s developer team has now deci...