A free 87-chapter book on quantum computing — physics, math, circuits, algorithms, software, hardware, applications, and company diligence — plus an interactive decision workbench for quantum claims.
Privacy cryptography, visualized. Walk step-by-step through additive sharing (MPC wallets), Shamir (wallet recovery), Yao's garbled circuits (private matching), and zero-knowledge proofs (Ali Baba cave).
x402 and MPP paid API sampler. Real HTTP 402 payment flows on Base and Tempo, with on-chain settlement and block explorer links.
Six AI agents debate your question using a 1.5B parameter LLM running entirely in your browser. System 1 guessing vs System 2 deterministic solving, side by side.
A circular writing system where meaning is encoded as symbols. Type text, watch it become a logogram.