No hype, no price predictions
A calm cat's guide to Bitcoin
Including the one question everyone's suddenly asking: what does quantum computing actually mean for your coins?
Check your wallet's quantum exposure
Paste a Bitcoin address to see whether its public key is already visible on-chain, the detail that actually determines exposure tier.
Start here
This site exists because the quantum conversation around Bitcoin got loud in 2026 without most coverage explaining the actual mechanism: which addresses are exposed and why, what BIP-360 and BIP-361 actually propose, and what you can do about it today. No moon talk, no doom either.