Coinbase has outlined a long-term strategy to prepare both its own infrastructure and the wider cryptocurrency ecosystem for the eventual arrival of fault-tolerant quantum computing, warning that preparations for post-quantum cryptography should begin well before the technology becomes practical.

The company’s preparations focus on three areas. Coinbase is developing a post-quantum version of its proprietary key management system, reviewing internal systems that rely on encryption and monitoring developments across Ethereum and Base to ensure future upgrades remain…