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Ripple said the quantum upgrade of the XRP Ledger will be the core of its long-term security strategy, outlining a four-phase plan to achieve full post-quantum resistance by 2028. The company’s move follows research from Google Quantum AI indicating that current elliptic curve cryptography may be vulnerable to quantum machines sooner than previously expected.
Ripple’s strategy is designed to reduce the risk of “harvest now, decrypt later” attacks while avoiding disruption to existing network operations. The company said the XRP Ledger’s native key rotation capability provides an advantage for migration, helping move funds without requiring a break from current usage.
As part of the roadmap, Ripple plans to test NIST-recommended algorithms in 2026 and implement hybrid systems before moving toward a full productive transition. Ripple said the end goal is to protect XRP user accounts and signatures against future cryptographic threats by completing the transition.
Ripple framed the effort as an infrastructure upgrade intended to anticipate cryptographic obsolescence. It also said the next steps include deploying custody prototypes and conducting testing on the developer network (Devnet) during the coming year.
At the time of the announcement, Ripple said the price of XRP was stabilizing near $1.43.
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