The company will begin active testing of quantum-resistant cryptography and a hybrid rollout that runs alongside existing systems in the first half of 2026, according to the roadmap. Ripple is collaborating with Project Eleven, an organization working on validator testing and early custody prototypes for post-quantum cryptography, to speed up development.
The urgency behind Ripple's timeline stems from recent Google Quantum AI research showing that approximately 500,000 physical qubits would be required to solve ECDLP-256 cryptography, representing a roughly 20-fold reduction from earlier estimates. Google estimates such a quantum computer could derive a private key from an exposed public key in about nine minutes.
XRPL's native key rotation capability contrasts with most other blockchains, including Ethereum, where any post-quantum migration would require users to manually move assets to entirely new accounts, according to Ripple.
