XRP Plans Quantum Security Upgrade Costing 255000 Dollars

The XRP Ledger Foundation has proposed a quantum-proof account upgrade to protect users from future quantum attacks without increasing transaction fees. This upgrade faces technical challenges and a lengthy development timeline before implementation. A quantum-proof account utilizes a signature scheme that is resistant to quantum computing threats, safeguarding funds even if attackers acquire advanced quantum hardware. The foundation's design, included in its 2027 protocol roadmap, outlines key features: owners can add a quantum-resistant key based on ML-DSA-44, approved by NIST in 2024; users can deactivate their original exposed keys; transaction fees will remain unchanged as validators will cover additional storage costs; the quantum-resistant key and signature will require 3,732 bytes compared to 105 bytes for standard payments; and development and auditing are expected to occur in late 2027 or 2028. However, a key-generation mismatch between the Python prototype and other versions needs resolution. The auditing of this amendment could cost up to 255000 dollars. Other major networks are also preparing for quantum threats, including Bitcoin, Ethereum, Algorand, and Solana, although most efforts are still in the planning stages.

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