Ripple 希望在 2028 年前使 XRP Ledger 具備抗量子能力。以下是其計劃

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Ripple wants the XRP Ledger to be quantum-proof by 2028. Here is its plan Ripple has laid out a four-phase plan to make the XRP Ledger quantum-resistant by 2028. What to know: - Ripple has unveiled a four-phase plan to make the XRP Ledger quantum-resistant by 2028, positioning it for a potential "Q-day" when quantum computers can break current cryptography. - The roadmap includes an emergency "Q-day readiness" phase that would force a migration to quantum-safe accounts and enable fund recovery via zero-knowledge proofs if quantum threats arrive sooner than expected. - Subsequent phases through 2026 and beyond will assess XRPL's quantum vulnerabilities, test and integrate post-quantum cryptography at scale, and ultimately amend the network to use quantum-resistant signatures without disrupting existing users. While quantum computing remains a largely theoretical threat to blockchain for now, some projects are already preparing for that eventuality. Fintech company Ripple has released a detailed four-phase roadmap to make the XRP Ledger, a decentralized, layer-1 blockchain, quantum-resistant, aiming to reach full readiness by 2028. XRP, the world's fourth-largest digital asset by market capitalization, is the native token of the XRP Ledger. Ripple's solutions use XRP Ledger, XRP, and other digital assets. Ripple is also one of many developers building on and contributing to the XRP Ledger (XRPL). Ripple's announcement comes weeks after Google warned that a quantum computer could potentially attack Bitcoin, the world’s largest blockchain, with less computational power than previously estimated—prompting some analysts to suggest 2029 as the Q-day, the so-called deadline to build defenses against such a machine. Bitcoin developers are also already working on measures to mitigate the risk. Let's first understand the threat to XRPL and then discuss the four-phase plan. Quantum risks to XRPL A quantum computer has three implications for the XRP Ledger, and these apply equally to most other blockchains. First, every time an XRPL account signs a transaction, its public key becomes visible on the blockchain. It's like writing your mailing addresses on the outside of an envelope, allowing anyone to see where it came from, but they still can't see what's written inside without the private key. However, a quantum computer can reverse-engineer the private key from the exposed public key, draining your coin holdings. Second, accounts that have held coins for long periods of time are the highest risk. The longer the public key sits on-chain, the more time a future quantum attacker has to target it. Lastly, the team added that building quantum-resistant systems is not just a technical challenge but an operational one, as it's tied to every XRP holder and every application built on the XRP Ledger. Collectively, these things warrant a structured response. The four-phase plan Phase 1, called Q-Day readiness, is an emergency measure designed to protect exposed public keys and long-held accounts if quantum computers arrive faster than expected. In that case, Ripple will implement what it calls a hard shift: Classical public-key signatures will no longer be accepted by the network, requiring all funds to migrate to quantum-safe accounts. This phase also looks into enabling safe recovery for all account owners via zero-knowledge proofs, a way of mathematically proving you own a key without revealing the key itself. This would allow holders to migrate funds even in a compromised scenario, ensuring no one is locked out. Phase 2 is already underway and is targeted for completion in the first half of 2026. It involves Ripple's applied cryptography team conducting a full assessment of quantum vulnerability across the XRPL network and testing defenses suggested by the National Institute of Standards and Technology, the U.S. government's global standards body for cybersecurity. But those defenses aren’t without cost. For instance, post-quantum cryptography uses larger keys and signatures, which can strain the ledger. So the team is also working through the tradeoffs and what system changes might be needed. To accelerate this phase, Ripple has teamed up with quantum security research firm Project Eleven for validator-level testing, developer networking benchmarking and early custody wallet prototypes. Phase 3, targeted for completion in the second half of 2026, involves controlled integration of post quantum measures. In this phase, Ripple will begin integrating quantum-resistant signatures alongside existing ones on its developer test network. It will allow developers to test and build against the new cryptography without disrupting the live network and existing users. This phase, therefore, directly addresses the third implication that migration, though a giant operational effort, must not break what already works. At the same time, the work goes beyond just replacing today’s signing methods. The team is rethinking the broader cryptography underpinning XRPL and exploring quantum-resistant approaches to privacy and secure data processing, which are important for compliant tokenization and features such as confidential transfers. "This phase is where experimentation meets system design. We’re not just asking “what works cryptographically?” We’re asking “what works for XRPL at scale?," the team said. Phase 4 marks the full transition from experiment to full deployment, targeting completion by 2028. "We’ll design, build and propose a new amendment to the XRPL ecosystem for native post-quantum cryptography and begin transitioning the network to PQC-based signatures at scale," Ripple's team said. The four phases mean the migration path could be seamless and significantly less painful, which could be a material advantage as the clock ticks down to Q-day. More For You Crypto steadied despite rising Iran tensions, but DeFi is reeling from one of the largest exploits of the year. What to know: - Bitcoin rebounded above $76,000 despite rising Iran war risks sending oil prices higher. Equities remained flat. - Steady spot ETF inflows and limited leverage suggest more durable demand for bitcoin, with capital concentrating in large-cap tokens while altcoins lag, a Wintermute trader said. - DeFi markets were rattled by this weekend's $292...

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ID：b1f8e9d085

来源：CoinDesk

发布：2026-04-21 04:43:23

分类：一般 · 导出分类 neutral

标的：XRP

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