XRP Ledger Targets Quantum-Resistant Upgrade by 2028—The Risks and Costs
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The XRP Ledger Foundation has proposed a quantum-resistant upgrade, targeting 2028, that would introduce ML-DSA-44 post-quantum cryptography to protect XRP accounts and validators from future quantum computing attacks. The plan, part of the foundation's 2027 protocol roadmap, details the technical requirements, costs, and adoption challenges of migrating the network to quantum-safe signatures. The upgrade matters because a sufficiently powerful quantum computer could eventually forge the elliptic-curve signatures securing XRP holdings and validator operations. Watch for community review of the proposal and the cost and performance trade-offs of ML-DSA-44, which uses larger keys and signatures than current schemes, ahead of any mainnet activation.
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Named in this story
XRP Ledger, XRP Ledger Foundation, XRP (XRP), ML-DSA-44
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