Developers within the XRP Ledger ecosystem have introduced XLS-295, a technical roadmap amendment designed to protect user accounts against future quantum computing threats using the ML-DSA-44 cryptographic standard while keeping base network fees unchanged.
By Jennifer Kim | November 12, 2026
As the broader digital asset market navigates macroeconomic turbulence, blockchain infrastructure security is taking center stage. With Bitcoin (BTC) holding near 73,643 USD and Solana (SOL) trading around 82.79 USD, altcoin protocols are facing scrutiny not just over daily market swings, but over their multi-decade technical durability. For everyday cryptocurrency holders, quantum computing often sounds like distant science fiction. Yet behind the academic research lies a practical concern: the cryptographic locks securing today’s digital bank accounts and crypto wallets will eventually encounter machines powerful enough to crack them.
To preempt this vulnerability years before commercial quantum hardware arrives, Denis Angell, technical director at the XRP Ledger Foundation, authored a draft standard proposal known as XLS-295. The proposal outlines a transition roadmap to equip the XRP Ledger with post-quantum digital signatures by 2028. Crucially for regular token holders, the architecture enables accounts to transition to quantum-resistant protections without forcing users to move coins to new wallet addresses or absorb higher transaction fees.
Protocol Primer
To understand why quantum computing matters for your portfolio, consider how a crypto wallet operates. In simple terms, a cryptocurrency wallet functions like a digital mailbox with a glass front. Anyone can look through the window, verify the address, and deposit tokens inside. However, only the holder of the matching private key has the authority to unlock the box and move funds. Veteran blockchains, including Bitcoin, Ethereum (currently trading at 2,044 USD), and the XRP Ledger, protect these keys using mathematical locks known as elliptic curve cryptography, specifically standards like secp256k1 and ed25519.
For standard modern computers, cracking these mathematical locks by guessing combinations would require millions of years. However, theoretical quantum supercomputers—machines that utilize quantum mechanics to process data at unprecedented speeds—could solve those mathematical formulas in minutes using Shor’s algorithm. If an attacker gains access to a working quantum machine, they could deduce a user’s private key directly from their public key and empty the account without authorization.
The XRP Ledger relies on a decentralized network of independent node validators rather than energy-heavy mining rigs to record balances and confirm transactions every three to five seconds. While this design delivers fast settlements and low operational costs, the underlying key signatures still rely on legacy elliptic curve mathematics. XLS-295 addresses this vulnerability directly at the protocol level.
Key Innovations
The core breakthrough in XLS-295 centers on integrating ML-DSA-44, a lattice-based post-quantum signature algorithm standardized by the National Institute of Standards and Technology (NIST) under FIPS 204 in August 2024. Instead of elliptic curves, lattice cryptography frames security around multidimensional geometric grids that quantum algorithms cannot easily solve.
Rather than requiring an invasive hard fork that splits the network, the proposal introduces several practical innovations tailored for everyday users:
- Seamless In-Place Account Migration — On most blockchains, adopting a new cryptographic standard requires moving funds to a completely new address, introducing significant transit risk and user confusion. Because the XRP Ledger natively supports key rotation, users can assign a post-quantum regular key to their existing account and disable their legacy master key without moving a single coin.
- Comprehensive Network-Wide Protection — The upgrade extends post-quantum verification across the entire protocol, including validator manifests, consensus proposals, peer-to-peer communication handshakes, and user transaction signing.
- Protected Base Transaction Pricing — Post-quantum signatures are substantially bulkier than traditional keys. While legacy signatures measure roughly 64 to 100 bytes, ML-DSA-44 signatures require approximately 2,420 bytes and public keys take 1,312 bytes. Despite this roughly 40-fold expansion in payload size, the proposal keeps base transaction fees unchanged for everyday users.
- Developer Testbed Prototyping — Engineers have begun testing prototype implementations on developer networks such as AlphaNet, measuring real-world performance impacts on throughput and ledger close intervals.
Tokenomics Breakdown
For altcoin investors, technical upgrades must always be evaluated through a mathematical lens: who pays for the changes, and how do they alter token supply dynamics? On the XRP Ledger, the economic model rests on three distinct pillars: base reserves, owner reserves, and automated fee burns.
Unlike inflationary blockchains that continuously mint new tokens to reward block producers, the XRP Ledger operates on a deflationary baseline. Every transaction destroys a tiny fraction of XRP, permanently removing it from circulation. Under normal traffic conditions, this base fee sits at just 10 drops (a fraction of a single token), ensuring near-zero cost for senders while preventing spam.
I checked the network parameter documentation against the validator amendments: the account base reserve remains locked at 1 XRP while the owner reserve holds at 0.2 XRP per ledger object. These reserves act like refundable security deposits. An investor must keep 1 XRP locked to maintain an active account, plus 0.2 XRP for each additional ledger entry, such as a trustline or decentralized offer.
The tokenomics friction with XLS-295 lies in state storage. Because public keys will consume 1,312 bytes, storing millions of upgraded accounts increases ledger history size substantially. By choosing not to raise base transaction fees or inflate the 1 XRP base reserve, the proposal shifts the financial burden of expanded data storage entirely onto independent node operators and validators. This shields retail wallets from unexpected costs, but it increases the hardware overhead necessary to run network infrastructure.
Roadmap Reality Check
While the technical framework represents a forward-looking design, everyday investors must clearly distinguish between research proposals and live network features. XLS-295 remains a community draft standard, not active mainnet software.
The broader ecosystem targets full post-quantum readiness by 2028. Navigating this multi-year timeline involves several critical development phases:
- Phase 1: Developer Network Stress Testing — Core engineers must complete extensive benchmarks on AlphaNet to ensure 2,420-byte signatures do not cause latency spikes or network bottlenecks during heavy market activity.
- Phase 2: Wallet and Library Integration — Consumer wallet interfaces must build simple tools that generate lattice-based key pairs seamlessly, eliminating technical barriers for regular users.
- Phase 3: The 80 Percent Validator Threshold — XRPL governance requires an 80 percent validator supermajority sustained for at least two consecutive weeks before any amendment activates on mainnet. Independent node operators will inspect operational overhead thoroughly before approving the code.
Investor Takeaway
For everyday retail investors holding altcoins, quantum decryption often sounds like a distant issue. However, institutional custodians and government regulators increasingly warn of “harvest now, decrypt later” strategies, where adversaries record encrypted blockchain data today to unlock private balances once quantum hardware matures. By advancing XLS-295, the XRP Ledger ecosystem is building defenses well before practical threats materialize.
What should you do today? For immediate portfolio management, no action is required. Your existing tokens remain secure, the base reserve requirement holds firm at 1 XRP, and transactions continue settling as normal. Over the multi-year horizon toward 2028, tracking this upgrade offers valuable insight into how legacy layer-1 networks preserve capital security while maintaining low transaction friction.
Jennifer Kim’s take
Shielding retail balances from quantum decryption without forcing users to move coins to new addresses removes the single biggest operational barrier to cryptographic upgrades. My attention centers on validator voting data across the 2028 roadmap milestones to confirm node operators willingly shoulder heavier hardware costs without demanding higher base transaction fees. Should node operators push back and demand higher account reserves, my calculation on user friction changes drastically.
The cryptocurrency market remains highly volatile. This article is for informational purposes only and does not constitute financial advice.
ML-DSA-44 while keeping base fees flat is the underrated part here. most chains would use any excuse to bump fees for a upgrade like this lol
fees stay flat until everyone is forced to migrate anyway, then watch the validator chatter change its tune imo
Good to see the XRP Ledger treat quantum resistance as an engineering roadmap item instead of a marketing slide. The ML-DSA-44 migration path sounds workable if account owners actually move in time.
Agreed Stian. I still remember when ed25519 was the big security upgrade. Just hope the account migration does not strand people who lost their keys years ago.