XRP Ledger Weighs Quantum-Safe Signatures Without Adding Transaction Fees

The XRP Ledger project is exploring a security upgrade that would allow account holders to add a quantum-resistant signing key. According to Crypto Economy, the approach is intended to protect accounts against the potential threat posed by quantum computing while preserving the ledger's zero-fee transaction model.

The proposed system relies on the ML-DSA-44 signature scheme, which was approved by the National Institute of Standards and Technology in 2024. Rather than replacing existing account signing arrangements outright, the proposal appears to add an optional layer of quantum-resistant protection. Transactions using the protected method would require more storage space than standard transactions.

Development is already underway, with engineers working on compatibility adjustments and validator testing. Crypto Economy reports that the proposal remains part of an active development process; its summary does not provide a deployment schedule or further detail about implementation. No other outlet supplied in the coverage reported on the proposal, so the available details are confined to that single source.

The broader crypto market was valued at $2.54 trillion and was broadly flat during the market snapshot. Bitcoin was up 0.05% over 24 hours, while the Fear & Greed index stood at 32, indicating a Fear reading. XRP traded at $1.079, down 0.30% over 24 hours and 13.92% over seven days, with a market capitalization of $68.52 billion. The development's significance lies in testing whether quantum-resistant signing can fit within XRP Ledger's existing fee and storage framework, although completion and adoption remain dependent on the ongoing technical work.