The Missing HTTP Status Code: How x402 Became Infrastructure for the Machine Economy

OpenZeppelin’s co-founder recently made a statement worth taking seriously: all of DeFi is unsafe. The reasoning isn’t sensationalism. It follows directly from what AI coding agents can now do, and from one structural property of DeFi that most builders prefer not to dwell on. The same property that makes DeFi trustless is the same property that makes it uniquely exposed to A...

In 2019, researchers estimated that breaking RSA-2048 would require roughly 20 million physical qubits. That number became the standard benchmark for thinking about quantum risk. At the time, state-of-the-art processors had a few hundred qubits. The gap felt like a comfortable buffer.

That buffer is gone.

In May 2025, Craig Gidney, one of the origi...

Every few months a new model drops, benchmarks spike, and the same conversation restarts: should we switch to GPT-5, fine-tune something ourselves, or wait for the next release? These are not bad questions. They are just the wrong ones to start with.

Before you pick a vendor, a framework, or an architecture, there is a more basic question that most teams skip: which la...