Ripple Unveils Plan to Make XRP Ledger Quantum-Resistant by 2028

The emergence of quantum computing poses a significant threat to blockchain technology, prompting fintech company Ripple to develop a comprehensive plan to make the XRP Ledger quantum-resistant. With a target completion date of 2028, the plan comprises four phases. The first phase, dubbed Q-Day readiness, is an emergency protocol designed to safeguard exposed public keys and accounts that have held coins for extended periods. In the event of an unexpected quantum computing breakthrough, Ripple will implement a hard shift, requiring all funds to migrate to quantum-safe accounts and enabling secure recovery for account owners via zero-knowledge proofs. The second phase, currently underway, involves a thorough assessment of quantum vulnerability across the XRPL network and testing of defenses recommended by the National Institute of Standards and Technology. Phase 3, scheduled for completion in the second half of 2026, will integrate post-quantum measures, allowing developers to test and build against new cryptography without disrupting the live network. The final phase, targeting completion by 2028, will mark the full transition to native post-quantum cryptography, with the design, build, and proposal of a new amendment to the XRPL ecosystem. By following this structured approach, Ripple aims to ensure a seamless migration path, mitigating the risks associated with quantum computing and providing a competitive advantage in the blockchain landscape.