quantumcomputers

Googleの研究者ライアン・バブッシュとハルトムート・ネーヴェンは、未来の量子コンピュータが最適化されたショアのアルゴリズムを使用して、今日の暗号通貨の背後にある暗号を以前考えられていたよりもはるかに少ないリソースで解読する可能性があることを明らかにしました。ほとんどのブロックチェーンが楕円曲線暗号（ECDLP-256）に依存しているため、これは実際の長期的なセキュリティリスクを生み出しますが、即時の崩壊ではありません。重要なポイントは進化です：業界はすでにポスト量子暗号（PQC）に向かって動いており、CoinbaseやEthereum財団のようなプレーヤーが解決策を模索しています。一方、Googleは2029年の移行タイムラインを目指しています。ここでの本当の機会は恐れではなく、ポジショニングです。量子能力が進化するにつれて、量子耐性のセキュリティを優先するプロジェクトは、次のサイクルの最強の物語と最大の勝者になる可能性があります。

For years, quantum computing sounded like one of those topics people used to sound smart at conferences. Now it feels different. Not because quantum is about to replace your laptop, but because the conversation has shifted from “cool science” to “prepare now.” Google has set a 2029 timeline for its post-quantum cryptography migration, and NIST is already telling organizations to start moving to quantum-resistant standards.

The part social media keeps messing up is the jump from progress to fantasy. Quantum computers are real, but today’s machines are still noisy, fragile, and narrow. NIST says current systems are mainly being used to explore certain physics, chemistry, and mathematical problems, and that the kind of machine needed for large scale code breaking is still much further away. It also warns that popular explanations often make quantum sound like it tries every answer at once, which is not how it works.

So what could quantum actually do? The clearest answer is this: it could become a specialized tool for problems that are already deeply quantum in nature. Think molecules, materials, magnetic systems, industrial chemistry, drug discovery, and some optimization work. Google points to applications like pharmaceuticals, industrial chemistry, sustainable technology, and physics research. IBM is already showing hybrid quantum-classical workflows where quantum processors work with CPUs and GPUs to simulate real magnetic materials and other scientific systems.

That is also why crypto people suddenly care. Google Research said future quantum computers may be able to break the elliptic curve cryptography used by cryptocurrencies with fewer qubits and gates than previously thought, and urged the blockchain world to move toward post-quantum cryptography. That does not mean your chain is dead tomorrow. It means the security clock is now loud enough that serious people are planning around it.

So the honest read is pretty simple. Quantum is not fake. Quantum is not ready to take over everything either. Right now, its biggest real impact is pressure: pressure on cybersecurity, pressure on standards, pressure on industries that depend on hard scientific simulation. The near term story is migration and preparation. The medium term story is narrow scientific usefulness through hybrid systems. The long term story, if error correction keeps improving, could be one of the biggest shifts in computing in decades.

In the easiest words: quantum is not about making all computers faster. It is about making a small set of very hard problems more solvable, while forcing the world to replace old encryption before it is too late.

#quantumcomputers #QuantumSecurity #GoogleStudyOnCryptoSecurityChallenges

Every few months, quantum computing headlines send crypto Twitter into panic mode. Let me save you the anxiety: crypto doesn’t collapse — it upgrades. Here’s the real picture. 🧵
The actual challenge isn’t the technology. It’s the coordination.
Upgrading to Post-Quantum (Quantum-Resistant) algorithms is technically achievable. But in a decentralized world, nothing is simple. Expect fierce debates over which algorithms to adopt, messy governance battles, and yes — forks. That’s not collapse. That’s crypto being crypto.
Dead projects will finally die. Good.
Any project that can’t organize a quantum migration will fade out. No active dev team, no community, no future. Quantum pressure becomes the ultimate credibility filter — and honestly, a long-overdue cleanse of zombie projects that should’ve been gone already.
New code = new attack surface. Short-term risk is real.
Migrating cryptographic primitives isn’t a simple patch. Major codebase overhauls introduce bugs, side-channel vulnerabilities, and logic errors. The post-migration window will demand serious auditing across every major protocol. Eyes open.
Self-custody holders: you’ll need to act.
Cold wallets, hardware wallets, paper wallets — you’ll need to migrate your coins to quantum-resistant addresses. This is where education and tooling matter most. Start paying attention now, not when the deadline hits.
The Satoshi Question — the world’s most watched wallet.
This is where it gets interesting. Satoshi’s ~1.1M BTC becomes the ultimate quantum-era litmus test:
→ If those coins move = Satoshi is still alive. Market-moving news.
→ If they don’t move = the community faces a hard question: lock those addresses before the first quantum-capable attacker claims them, or leave them untouched on principle?
There’s no clean answer. But that conversation is coming.
The fundamentals that never change:
🔐 Encryption always leads decryption — defenders set the pace, attackers chase.
⚡ More compute power strengthens cryptographic systems over time.
∞ Crypto is built to evolve. Algorithms are parameters. The architecture endures.
Bottom line:
Quantum is a stress test, not a kill switch.
The survivors will be the projects with active development, strong communities, and the discipline to execute a complex migration cleanly. That’s not a threat to crypto. That’s the market doing exactly what it’s supposed to do.
No need to panic. 😂 Start paying attention.
#GoogleStudyOnCryptoSecurityChallenges #quantumcomputers #Write2Earn $BTC $ETH $BNB

最近、量子コンピューティングとビットコインのような暗号通貨に対するその潜在的な影響に関する議論が注目を集め始めました。多くの人々が、将来の量子機械が現在の暗号システムを破壊し、ブロックチェーンのセキュリティを危険にさらす可能性を懸念しています。
しかし、Changpeng Zhao (CZ)によれば、少なくとも今のところパニックになる必要はないとのことです。
コアアイデア: 暗号は適応できる
根本的なレベルでは、解決策は明確です。暗号通貨は量子耐性（ポスト量子）アルゴリズムにセキュリティシステムをアップグレードすることができます。

Recent research from Google Quantum Al has suggested that in the future, a powerful quantum computer could break a Bitcoin wallet's private key in as little as nine minutes. This is a dramatic shift from the current situation, where classical computers would take billions of years to achieve the same result. The study estimates that with fewer than half a million physical qubits, a quantum machine could intercept transactions with about a forty-one percent success rate before they are confirmed on the blockchain.

The vulnerability arises because Bitcoin's security relies on elliptic curve cryptography. When you send a transaction, your public key is revealed, and that creates a window of opportunity for an attacker. Right now, no existing quantum computer has anywhere near the scale required to carry out this attack, so your keys are safe. But the warning is clear: once quantum hardware advances, older wallets and dormant addresses could be exposed.

This has serious implications for the crypto industry. Millions of coins stored in early-era wallets could be at risk, and confidence in blockchain security could be shaken if quantum attacks become feasible. Developersare already working on post-quantum cryptography, which uses algorithms designed to resist quantum computing attacks. These new methods will eventually be integrated into wallets and blockchain protocols to protect against the threat.

In short, your Bitcoin keys cannot be broken today, but the nine-minute scenario shows how quickly things could change once quantum technology matures. The race is now on to upgrade crypto systems before quantum computers reach the necessary scale.
#quantumcomputers #Google #BTC #Web3
$DOT $BTC $ADA