XRP Ledger Introduces Quantum-Resistant Security Upgrade

The XRP Ledger is moving forward with defensive measures against prospective quantum computing threats by proposing a security upgrade that permits users to implement quantum-resistant keys without incurring extra transaction fees.

This initiative is part of a broader push to adapt the network for cryptographic shifts, with Ripple aiming for complete post-quantum readiness by the year 2028.

Whale Insider highlighted this progression in a post on X, drawing attention to the XRP Ledger’s strategy for quantum-resistant account security. Under the proposed system, account owners can upgrade their protection while keeping their current accounts, avoiding the need to transfer their XRP and alternative assets to completely new addresses.

This rollout builds upon Ripple’s previously published post-quantum security roadmap as well as a more comprehensive protocol roadmap from the XRP Ledger Foundation.

JUST IN: $XRP Ledger unveils quantum-resistant account plan, allowing users to upgrade to quantum-proof security with no additional transaction fees as Ripple targets full quantum protection by 2028.

— Whale Insider (@WhaleInsider) November 10, 2026

XRP Ledger Plans Quantum-Resistant Account Upgrades

The security architecture proposed by the XRP Ledger Foundation gives account holders the capability to append a quantum-resistant signing key while turning off their legacy cryptographic key. This framework safeguards accounts against prospective attacks designed to exploit vulnerabilities in the cryptographic protocols currently safeguarding blockchain transactions.

The proposed framework leverages ML-DSA-44, which is a post-quantum digital signature algorithm that received standardization from the National Institute of Standards and Technology (NIST) in 2024. This specific algorithm is engineered to withstand assaults from adequately powerful quantum computers.

Additionally, the upgrade preserves the network’s baseline transaction fee. Even though quantum-resistant signatures and keys demand more storage capacity than traditional cryptographic signatures, the current proposal does not intend to shift those extra expenses directly onto users via hiked transaction fees.

Consequently, XRP holders will eventually be able to elevate their account protection without being charged a separate network fee exclusively for the upgrade process.

Ripple Targets Full Quantum Protection By 2028

Ripple initially detailed its post-quantum security framework on April 20, 2026, via an article entitled Post-Quantum Readiness on the XRP Ledger. Penned by Ayo Akinyele, the publication outlined a phased strategy by the company to ready the network for progressively advanced quantum computers.

The strategy encompasses testing quantum-resistant cryptographic mechanisms alongside current security infrastructure prior to executing a gradual network migration. Furthermore, Ripple is collaborating with Project Eleven on preliminary deployments, which involve validator testing, Devnet benchmarking, and the creation of a post-quantum custody wallet prototype.

Ripple has broken the initiative down into four distinct phases encompassing emergency account recovery, cryptographic research, trials with quantum-resistant technology, and a definitive shift to post-quantum signatures.

The ultimate phase is aimed at achieving full network readiness by 2028. Ripple intends to deploy native post-quantum cryptography through a fresh network amendment, coordinating this evolution alongside developers, validators, and fellow ecosystem participants.

XRP Ledger Foundation Outlines Implementation Timeline

Further specifics regarding the proposed quantum-resistant transition are detailed within the XRP Ledger Foundation’s 2027 protocol roadmap. The document designates ML-DSA-44 as the signature scheme under evaluation and outlines an implementation branch dedicated to these adjustments.

The schedule sets a post-quantum migration study for the first half of 2027, with subsequent development, code reviews, and security audits slated for late 2027 or 2028. The Foundation projects that this undertaking will demand 640 development hours alongside 400 hours dedicated to Ripple engineering reviews, accompanied by an estimated financial requirement of $215,000 to $255,000 in supplementary implementation costs.

At present, however, the proposal has not yet taken effect as an active network upgrade. The Foundation must still finish the migration study alongside the subsequent development and review phases before the broader network can execute these modifications.

Ultimately, this undertaking represents a vital component of Ripple’s long-range security strategy. By preparing the XRP Ledger for quantum-resistant cryptography, Ripple endeavors to secure user accounts and sustain overall network integrity as technological capabilities progress.

Frequently Asked Questions

What is the goal of the XRP Ledger’s quantum-resistant account plan?

The plan aims to protect user accounts against future quantum computing threats by allowing users to adopt quantum-resistant keys without having to create entirely new addresses or pay extra transaction fees.

What algorithm does the proposed upgrade use?

The proposed system uses ML-DSA-44, a post-quantum digital signature algorithm standardized by the National Institute of Standards and Technology (NIST) in 2024.

When does Ripple expect full quantum protection to be ready?

Ripple is targeting full post-quantum network readiness and native post-quantum cryptography by 2028.

Will users have to pay higher transaction fees for the upgrade?

No, the proposal does not plan to pass the additional storage costs of quantum-resistant keys directly to users through increased transaction fees.

What are the next steps for the XRP Ledger Foundation?

The Foundation is scheduled to conduct a post-quantum migration study in the first half of 2027, followed by development, code reviews, and security audits in late 2027 or 2028 before the upgrade becomes active on the network.