Kamilah Stevenson, a YouTube host who focuses on wealth education, says the XRP Ledger is moving earlier than many major crypto networks to prepare for the security risks posed by quantum computing. Her central claim is that Ripple has outlined a four-phase plan intended to make the ledger quantum-resistant by 2028.

The concern is not that quantum computers can currently break crypto wallets. Dr. Stevenson says they cannot. Today's most advanced quantum processors hold qubits in the hundreds to low thousands, far below the millions of qubits researchers estimate would be needed to break widely used public-key cryptography. Instead, she points to the long-term possibility that sufficiently powerful quantum machines could derive private keys from exposed public-key information, weakening signature systems used across digital assets.

Ripple's four-phase plan includes an emergency "Quantum Day" response

According to Stevenson, Ripple published its roadmap in April and began with a contingency measure called the "Quantum Day" or "QD" plan. If quantum capabilities emerged faster than expected and existing signature schemes became vulnerable, the plan would block older signatures and require accounts to move to quantum-safe credentials.

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She describes the next stages as technical testing, including evaluation of post-quantum cryptography standards being developed by leading U.S. standards bodies — notably the National Institute of Standards and Technology (NIST), which finalized its first post-quantum encryption and signature standards in 2024 — and testing those standards under network conditions. The final phase, targeted for 2028, would formally integrate quantum-resistant security into the ledger's core protocol. That target precedes the transition window in NIST's draft migration guidance, which proposes deprecating quantum-vulnerable algorithms after 2030 and retiring them by 2035.

The timeline matters because the industry is increasingly discussing a "harvest now, decrypt later" risk. In that scenario, attackers could collect publicly available blockchain data today in hopes that future quantum hardware could decrypt or exploit it later. The framing is not unique to crypto: U.S. agencies including CISA and NIST use the same warning, which is why post-quantum migration is being treated as an infrastructure-wide issue spanning banking, government systems, and internet protocols as well as blockchains.

For assets held over long periods, the issue is less about an immediate wallet breach and more about whether networks can migrate safely before current cryptography becomes obsolete.

Key rotation is presented as XRP Ledger's practical advantage

Dr. Stevenson also highlights the XRP Ledger's key-rotation capability as a feature that could make a future migration easier. In her description, users can replace the keys securing an account without moving funds to a new address or abandoning the existing account — a relevant distinction because upgrading a live network's signature scheme typically requires coordinated protocol changes across validators and users rather than a one-off patch.

That could reduce operational friction during a broad security upgrade, especially for institutions managing large numbers of accounts. The video does not provide comparative technical details on how Bitcoin, Ethereum, or other networks may handle their own post-quantum transitions.

Stevenson also connects the quantum discussion to personal custody, citing recent reports of Bitcoin being stolen from cold wallets, though she does not provide specific incident details. She promotes a premium custody account from iTrustCapital, describing it as a closed-loop system with a $100 funding bonus.

For market watchers, the broader takeaway is that quantum preparedness is becoming a protocol-governance issue rather than a distant theoretical concern. A published roadmap is not the same as a completed upgrade, but networks with tested migration paths, flexible key management, and clear contingency procedures may have an advantage if post-quantum standards become urgent. The concrete checkpoints ahead are the ledger's testing-phase results and the pace of NIST's ongoing standardization work, against which the 2028 target can be tracked.