The Paris-born infrastructure company spent years making private keys harder to steal. Its bigger opportunity arrived when it learned that banks wanted control, reversibility and boring operational discipline just as much as cryptography.
Two ex-Coinbase engineers got tired of fighting key-management software, so they built the plumbing that now signs millions of crypto transactions a week - and made it verifiable, not just trusted.
The QR-code protocol that taught crypto wallets to talk is becoming a payment rail for stores, apps and AI agents. Its advantage is not a new wallet - it is the network already hiding behind hundreds of them.