Bitcoin Quantum Computing Security Threat

Earlier coverage

• Natural News · Published 28 Sep 2026

  Bitcoin Quantum-Safe Transaction Cost Falls to $67, StarkWare Says

  In coverage record: 29 Sep 2026

  “Researchers have said exposed public keys could allow attackers to steal coins if such a capability is achieved.”

  Read article ↗

• Decrypt · Published 27 Sep 2026

  Bitcoin's Quantum Problem: Three Ways Researchers Are Trying to Fix It

  In coverage record: 28 Sep 2026

  “the timelines keep compressing, which is why preparation has accelerated.”

  Read article ↗

• ZeroHedge · Published 25 Sep 2026

  Bitcoin's 'Last Resort' Quantum-Safe Solution Just Got 79% Cheaper: StarkWare

  In coverage record: 26 Sep 2026

  “a sufficiently powerful quantum computer could break the elliptic-curve digital signatures used by Bitcoin, potentially allowing attackers to steal coins whose public keys are exposed”

  Read article ↗

• Crypto News · Published 23 Sep 2026

  Coinbase plans post-quantum Bitcoin custody for any scheme

  In coverage record: 24 Sep 2026

  “The board estimated that about 1.7 million BTC sit in older pay-to-public-key addresses with exposed public keys, while address reuse could place as many as 5 million BTC within a future risk category.”

  Read article ↗

• Cointelegraph · Published 23 Sep 2026

  EU Regulators Warn Quantum Computing Could Threaten Blockchains

  In coverage record: 24 Sep 2026

  “For cryptocurrency holders, the concern is that a future quantum computer could derive a private key from an exposed public key and use it to authorize transactions.”

  Read article ↗

• Decrypt · Published 22 Sep 2026

  Inside Coinbase’s $250 Billion Playbook for Post

  In coverage record: 23 Sep 2026

  “If a cryptographically relevant quantum computer eventually becomes an active threat to Bitcoin's security, Coinbase wants to have protections in place that are prepared for whatever direction Bitcoin and other digital assets take”

  Read article ↗

• CryptoSlate · Published 22 Sep 2026

  Lightning quantum defenses need more than a Bitcoin upgrade

  In coverage record: 23 Sep 2026

  “PQLN also leaves Bitcoin-rooted risks untouched. It does not secure the on-chain keys protecting funding, commitment and HTLC outputs or penalty transactions, so safeguarding channel funds still requires Bitcoin-layer post-quantum changes.”

  Read article ↗

• Decrypt · Published 18 Sep 2026

  Bitcoin Will Hit $1 Million, Says Kevin O’Leary-But There’s a Quantum Catch

  In coverage record: 19 Sep 2026

  “it's why big funds cap Bitcoin exposure around 3% of a portfolio, treating it more like a sliver of gold than a core holding”

  Read article ↗

• Bitcoin Magazine · Published 16 Sep 2026

  The Quantum Issue: To Freeze Coins Or Not

  In coverage record: 17 Sep 2026

  “once a public key is available, a sufficiently capable quantum attacker could derive the corresponding private key and sign a transaction to spend the funds that would be accepted as valid by the network”

  Read article ↗

• CryptoSlate · Published 14 Sep 2026

  Bitcoin exchanges can reduce quantum exposure before a network upgrade

  In coverage record: 15 Sep 2026

  “Shor's algorithm running on a sufficiently capable quantum computer could, in principle, break that assumption. A visible public key is not a present theft condition... The measurement instead identifies coins that a sufficiently capable future machine could target without waiting for their owners to spend.”

  Read article ↗

• Crypto News · Published 10 Sep 2026

  XRP Ledger quantum target awaits formal roadmap

  In coverage record: 11 Sep 2026

  “XRPL's documentation acknowledges that a sufficiently capable quantum computer using Shor's algorithm could threaten its existing signature methods. Researchers have not established a verified date for such a machine.”

  Read article ↗

• Decrypt · Published 10 Sep 2026

  AI Agents Just Slashed the Cost of a Quantum Attack on Bitcoin

  In coverage record: 11 Sep 2026

  “Researchers working with AI coding agents reduced a resource benchmark for a key step in a potential quantum attack on the cryptography protecting Bitcoin and Ethereum by 86%, according to a paper posted Wednesday. In other words, they reduced the computing resources needed for uncovering a wallet's private key, which could let an attacker steal its funds.”

  Read article ↗

• Decrypt · Published 9 Sep 2026

  While Bitcoin Devs Debate Next Moves, IonQ Unveils Superion 256 Quantum Computer

  In coverage record: 10 Sep 2026

  “The news comes as researchers debate how soon quantum computers could threaten Bitcoin. A powerful enough machine could use an exposed public key to calculate the secret key needed to spend someone else's Bitcoin.”

  Read article ↗

• Crypto Breaking News · Published 4 Sep 2026

  QuFi Debuts Post-Quantum Verification Platform Using Bitcoin Testnet Proof

  In coverage record: 5 Sep 2026

  “Post-quantum security-focused startup QuFi Network has launched a verification platform aimed at protecting digital assets from potential future quantum computing attacks—without forcing users to upgrade or fork existing blockchain settlement layers.”

  Read article ↗

• Bitcoin Magazine · Published 2 Sep 2026

  The Quantum Issue: Letter From The Editor

  In coverage record: 3 Sep 2026

  “The threat that a viable, actually functioning, quantum computer would pose to Bitcoin if it were to be built is very serious. It is the concrete example of an existential threat, in every sense of the word. Quantum computers toss that right out the window. There goes the integrity of the entire mechanism that is used for owners of bitcoin to authenticate their ownership for the protocol to process their legitimately authorized transactions.”

  Read article ↗

• Gizmodo · Published 30 Aug 2026

  The First Quantum-Resistant Bitcoin Transaction Has Been Mined

  In coverage record: 31 Aug 2026

  “Glassnode estimated in May that roughly 6.04 million BTC, or 30.2% of the issued supply, had public keys exposed on-chain. At a bitcoin price of $80,000, that translates to roughly $483 billion worth of potentially vulnerable coins.”

  Read article ↗

• CryptoSlate · Published 27 Aug 2026

  How Bitcoin just proved it could survive a quantum attack

  In coverage record: 28 Aug 2026

  “Roughly 7 million BTC are considered potentially vulnerable because their public keys are already visible through older address formats, Taproot usage, or address reuse. QSB does not provide a rescue path for those coins.”

  Read article ↗

• U.Today · Published 25 Aug 2026

  Bitcoin's Cryptography Could Be Cracked One Day, BitGo CEO Says

  In coverage record: 26 Aug 2026

  “Bitcoin's quantum-computing risk is real, but the technology needed to threaten the cryptocurrency's cryptographic security remains far from practical. We only have, like, quantum computers that theoretically work, so single digits to 100, so we're really far away.”

  Read article ↗

• CryptoSlate · Published 25 Aug 2026

  Bitcoin’s 7 million coin quantum problem just reached the US Treasury

  In coverage record: 26 Aug 2026

  “The council estimated about 7 million Bitcoin are currently considered potentially vulnerable because their public keys are exposed through older address formats or address reuse.”

  Read article ↗

• Decrypt · Published 13 Aug 2026

  Bitcoin Companies Want Help From AI Labs to Guard Against Hackers

  In coverage record: 14 Aug 2026

  “The Bitcoin network secures more than a trillion dollars, and the wider stack—wallets, signing devices, libraries, custody systems—holds trillions more. That code is written in the open, and one bug can erase someone's savings.”

  Read article ↗

• Decrypt · Published 11 Aug 2026

  BTCPay Backers Offer Bitcoin Bounty After Wallet Exploit

  In coverage record: 12 Aug 2026

  “The company said it is strengthening code reviews and prioritizing security patches over new features as AI is making it easier for attackers to find vulnerabilities in Bitcoin software.”

  Read article ↗

• Benzinga · Published 6 Aug 2026

  Tom Lee Says Quantum Computing 'Probably Not Gonna Be a Problem' for Ethereum and Solana, but for Bitcoin

  In coverage record: 7 Aug 2026

  “Lee noted that networks such as Ethereum and Solana are developing quantum resistance, so it's "probably not gonna be a problem" for them. "But for bitcoin they haven't come to a consensus on how to prevent Q-Day," the Fundstrat co-founder said.”

  Read article ↗

• ZeroHedge · Published 5 Aug 2026

  Jim Cramer Just Sold His Bitcoin And Bulls Couldn't Be Happier

  In coverage record: 6 Aug 2026

  “Cramer says he is selling all of his bitcoin, warning that rapid advances in quantum computing could threaten the cryptocurrency's security within the next three to four years, according to Cointelegraph and Coindesk.”

  Read article ↗

• Decrypt · Published 5 Aug 2026

  Bitcoin Tests Market’s Patience as Zcash Gives Holders Hope: Analysis

  In coverage record: 6 Aug 2026

  “Bitcoin spent the week dealing with fears of quantum and AI threats: CNBC's Jim Cramer said he's dumping his BTC over quantum-computing fears, and a separate $130 million Coldcard wallet exploit, disclosed late last week, added a custody scare on top.”

  Read article ↗

• Decrypt · Published 4 Aug 2026

  Jim Cramer Is Selling His Bitcoin Over Quantum Threat-Crypto Twitter Is Thrilled

  In coverage record: 5 Aug 2026

  “Coinbase's quantum advisory council estimates roughly 7 million Bitcoin could eventually be vulnerable through exposed public keys and address reuse. Post-quantum standards exist, and Bitcoin developers have been arguing about how to adopt them for years.”

  Read article ↗

• EUROPE SAYS · Published 3 Aug 2026

  Jim Cramer Says He Will Sell All Bitcoin Holdings Over Quantum Computing Fears

  In coverage record: 4 Aug 2026

  “Quantum computers, with their ability to solve complex mathematical problems exponentially faster than classical computers, could theoretically break the cryptographic algorithms that secure Bitcoin wallets and transactions.”

  Read article ↗

• EUROPE SAYS · Published 2 Aug 2026

  Is the Quantum Threat to Bitcoin Real or Not? Galaxy Digital Just Pledged $5 Million to Boost Bitcoin's Quantum Resistance.

  In coverage record: 3 Aug 2026

  “A powerful enough quantum computer could work backward from a wallet's public details to recover the private key that controls it and then drain the coins inside. That would likely cause an utter stampede of people trying to sell it if it were confirmed to be happening.”

  Read article ↗

• Bitcoin Magazine · Published 30 Jul 2026

  Bitcoin Only Makes Up 1% Of Legendary Investor Ray Dalio's Portfolio

  In coverage record: 31 Jul 2026

  “[Bitcoin] is a type of money that can't be printed, but there are technologies that can hurt it — in other words, if there's quantum computing. And it can be monitored by governments and so on, and it could be taxed.”

  Read article ↗

• Decrypt · Published 30 Jul 2026

  Bitcoin Quantum Threat Inches Closer as IBM Claims 'Trusted Quantum Advantage'

  In coverage record: 31 Jul 2026

  “TITLE: Bitcoin Quantum Threat Inches Closer as IBM Claims 'Trusted Quantum Advantage'”

  Read article ↗

• U.Today · Published 29 Jul 2026

  CEO of Quantum Giant Issues Bitcoin Warning

  In coverage record: 30 Jul 2026

  “Alan Baratz, CEO of D-Wave, warned that quantum computing will eventually be capable of breaking Bitcoin's proof-of-work protocol. Baratz said it is 'clear' that sufficiently advanced quantum machines will one day outperform hardware used for mining the flagship cryptocurrency.”

  Read article ↗

• Decrypt · Published 29 Jul 2026

  There's a New Way to Protect Bitcoin From Future Quantum Attacks, Researchers Say

  In coverage record: 30 Jul 2026

  “Recent advances in quantum hardware, including Google's Willow processor, have substantially narrowed the timeline to cryptographically relevant quantum computers. In the blockchain setting, a quantum computer running Shor's algorithm can recover any elliptic-curve private key from the corresponding public key, threatening every wallet in production today.”

  Read article ↗

• U.Today · Published 28 Jul 2026

  Can AI Beat Quantum? Anthropic's Encryption Discovery Raises Questions for Bitcoin

  In coverage record: 29 Jul 2026

  “Peter Van Valkenburgh joked about the 'funniest timeline,' in which Bitcoin upgrades to a lattice-based post-quantum signature scheme only for advanced large language models to break the underlying mathematics before quantum computers ever manage to pose a threat.”

  Read article ↗

• U.Today · Published 26 Jul 2026

  Bitcoin Not Facing Immediate Quantum Threat, Coinbase CEO Says

  In coverage record: 27 Jul 2026

  “Armstrong announced the launch of the Bitcoin Security Consortium...aims to support the long-term security of the Bitcoin network and coordinate efforts to prepare the flagship cryptocurrency for the eventual arrival of quantum computers.”

  Read article ↗

• ZeroHedge · Published 24 Jul 2026

  A Quantum Roadmap Would Push Bitcoin Much Higher

  In coverage record: 25 Jul 2026

  “The fear is that, one day, powerful enough quantum computers could break the cryptography that protects the Bitcoin network and potentially compromise Bitcoin wallets. Edwards estimates that Bitcoin is currently around 40% below what he considers its fair value based on energy value, while arguing that quantum risk accounts for roughly a 30% discount.”

  Read article ↗

• CryptoSlate · Published 22 Jul 2026

  Galaxy puts $5 million behind Bitcoin's race to migrate before quantum risk arrives

  In coverage record: 23 Jul 2026

  “A sufficiently powerful quantum computer could use Shor's algorithm to recover a private key from an exposed elliptic-curve public key and forge a valid signature. Keys already visible onchain give an attacker a long window.”

  Read article ↗

• EUROPE SAYS · Published 22 Jul 2026

  Galaxy Digital Introduces Bitcoin Focused Quantum Initiative To Safeguard BTC's Cryptographic Foundations

  In coverage record: 23 Jul 2026

  “Due to Bitcoin's decentralized nature, implementing protocol changes—including those for quantum resistance—requires extensive design, community review, testing, and adoption periods that can span years. Currently, only a limited number of developers are focused on these challenges relative to their complexity and importance.”

  Read article ↗

• The Economic Times · Published 19 Jul 2026

  Security is no longer a human scale thing, it is machine scale: Pankaj Rohatgi, Google

  In coverage record: 20 Jul 2026

  “The other application, something Google is not directly involved in, but is going to be problematic [in a world where quantum computers can crack the maths underpinning today's encryption standards], is the Bitcoin protocol [which is underpinned by cryptographic math]. So that might be another incentive for people to build things faster and prepare for a postquantum world.”

  Read article ↗

• Decrypt · Published 16 Jul 2026

  Day Recovery Proposal Aims to Let Users Prove Ownership After Quantum Attack

  In coverage record: 17 Jul 2026

  “The concern in the industry is that an attacker could use a quantum computer to derive a private key from a public key, making digital signatures unreliable as proof of wallet ownership. What that means in practice is that an attacker could target vulnerable wallets, forge their digital signature and move Bitcoin without the owner's permission.”

  Read article ↗

• Crypto News · Published 14 Jul 2026

  Bitcoin’s safety: $470 billion in assets may be a target of quantum hackers

  In coverage record: 15 Jul 2026

  “According to Bloomberg, research by Galaxy Digital indicates that in the long term, approximately $470 billion in Bitcoin assets may face potential security risks from quantum computing, representing about one-third of the current total value of circulating Bitcoin.”

  Read article ↗

• U.Today · Published 9 Jul 2026

  New Quantum Defenses Launched for Bitcoin Wallets

  In coverage record: 10 Jul 2026

  “The race to protect Bitcoin from the next major leap in computing power is now in the 'active defense' phase. The timeframe for addressing cryptographic vulnerabilities has shortened, according to various analysts (including Citigroup's researchers).”

  Read article ↗

• International Business Times · Published 8 Jul 2026

  Crypto Firms Are Preparing For The Quantum Era. Tomorrow's Computers Could Break Today's Encryption.

  In coverage record: 9 Jul 2026

  “Bitcoin is seen as especially exposed because its 17-year transaction history has left many public keys visible on-chain. About 35% of Bitcoin's circulating supply could be exposed to a quantum attack, according to an unpublished June 2026 working paper cited by the outlet.”

  Read article ↗

• Decrypt · Published 3 Jul 2026

  Day? The Quantum Threat to Bitcoin Explained

  In coverage record: 4 Jul 2026

  “Bitcoin's decentralization—its greatest strength—also makes major upgrades slow and difficult, since any new signature scheme would need broad agreement across miners, developers, and users. Upgrades take a long time, if they happen at all.”

  Read article ↗

• Bitcoin Magazine · Published 1 Jul 2026

  Trump's Quantum Push Pressures Bitcoin Security: Moody's

  In coverage record: 2 Jul 2026

  “A sufficiently capable quantum computer could break the elliptic-curve signatures that guard private keys. Unlike a bank wire, an on-chain transaction offers limited ability to reverse a theft or recover funds.”

  Read article ↗

• CryptoSlate · Published 23 Jun 2026

  Trump’s quantum computing push puts $449 billion in "exposed Bitcoin" back in the limelight

  In coverage record: 24 Jun 2026

  “Nearly 7 million Bitcoin sit in the quantum computing line of fire... almost 7 million BTC, worth nearly $449 billion of Bitcoin, currently sits in outputs whose public keys have been exposed and could theoretically be attacked by a sufficiently powerful quantum computer.”

  Read article ↗

• Decrypt · Published 23 Jun 2026

  Trump's Quantum Push Wins Praise, But Experts Warn Bitcoin Isn't Ready

  In coverage record: 24 Jun 2026

  “Bitcoin faces a coordination problem... unlike many blockchain networks, Bitcoin has no foundation or governing body capable of directing a migration effort. As a result, any transition would require coordination among developers, miners, exchanges, custodians, and major holders.”

  Read article ↗

• Bitcoin Magazine · Published 22 Jun 2026

  Trump Signs Quantum Computing Orders - What Does This Mean For Bitcoin?

  In coverage record: 23 Jun 2026

  “The concern for Bitcoin is what researchers call "Q-Day" — the moment a quantum computer becomes powerful enough to reverse-engineer private keys from public addresses, effectively allowing an attacker to drain any exposed wallet. Coinbase's advisory council has warned that roughly 7 million BTC could eventually be vulnerable, a figure representing tens of billions of dollars in exposed holdings.”

  Read article ↗

• U.Today · Published 21 Jun 2026

  Bitcoin Holders Agree on 99%, so Why Focus on the 1%? Saylor Asks

  In coverage record: 22 Jun 2026

  “The Google Quantum AI research that shook the Bitcoin community in March showed that a sufficiently powerful quantum computer could derive a private key from an exposed public key in about nine minutes. The conversation since that paper has centered on the nearly 6.9 million BTC sitting in addresses with exposed public keys and Bitcoin's missing post-quantum migration plan.”

  Read article ↗

• Crypto News · Published 20 Jun 2026

  CZ proposes freezing Satoshi Bitcoin stash to stop quantum theft

  In coverage record: 21 Jun 2026

  “Zhao said quantum computing does not pose an insurmountable threat to Bitcoin because quantum-resistant cryptographic systems already exist... the more difficult task would be coordinating a network-wide migration to those technologies if quantum computers eventually become capable of breaking Bitcoin's current security model.”

  Read article ↗

• Crypto News · Published 20 Jun 2026

  Ian Cohen battles $238B Bitcoin grab targeting Satoshi wallets

  In coverage record: 21 Jun 2026

  “Recently, Binance founder Changpeng Zhao suggested that wallets linked to inactive owners, including those believed to belong to Satoshi, could one day be frozen after a transition to quantum-resistant cryptography if their holders fail to move funds within a designated migration period.”

  Read article ↗

• Decrypt · Published 11 Jun 2026

  Bitcoin Must Prepare for Quantum Threat Now, Coinbase Says

  In coverage record: 12 Jun 2026

  “According to the advisory council, the issue could affect millions of Bitcoin sitting in legacy addresses where public keys are already exposed, making them directly vulnerable to a future quantum attack.”

  Read article ↗

• CoinDesk · Published 10 Jun 2026

  The quantum clock is ticking: it's Bitcoin's problem, not Ethereum's

  In coverage record: 11 Jun 2026

  “Citi analysts warned that quantum computing advances have shortened the timeline for practical attacks on digital assets, and reached a conclusion that should give every institutional bitcoin holder pause: bitcoin faces significantly greater quantum risk than Ethereum.”

  Read article ↗

• Mashable India · Published 5 Jun 2026

  Bitcoin Drops Below $60,000, Despite Trump's Embrace

  In coverage record: 6 Jun 2026

  “One other potential reason: new advances in quantum computing have put traditional crypto mining techniques at risk, according to Google.”

  Read article ↗

• U.Today · Published 4 Jun 2026

  Bitcoin Quantum Discount Hits 27%: What It Means for Smart Investors Today

  In coverage record: 5 Jun 2026

  “The key trigger behind the current decline in Bitcoin's price is developers' disregard for the quantum threat, which has pushed the Bitcoin Quantum Discount to a new high of 28%.”

  Read article ↗

• Decrypt · Published 21 May 2026

  Nearly $500B in Bitcoin Is Exposed to Future Quantum Computing Attacks: Glassnode

  In coverage record: 22 May 2026

  “More than 30% of all Bitcoin already has its public key exposed on-chain, making it theoretically vulnerable to a future quantum computer attack.”

  Read article ↗

• CoinDesk · Published 20 May 2026

  The Protocol: Ethereum Foundation's high-profile departures spark fresh debate

  In coverage record: 21 May 2026

  “Citi (C) warning that recent breakthroughs are accelerating the timeline for potential threats to crypto security and internet infrastructure... Bitcoin as particularly exposed because of its conservative governance model and slower ability to implement protocol upgrades.”

  Read article ↗

• Benzinga · Published 20 May 2026

  Coinbase's Bitcoin Is (Mostly) Quantum-Proof-But Binance's Is Not

  In coverage record: 21 May 2026

  “Glassnode identified 6.04 million BTC, or 30.2% of issued supply, as quantum exposed. These coins are vulnerable because their public keys are already visible on the blockchain.”

  Read article ↗

• Business Insider · Published 15 May 2026

  Why Crypto Traders Are Suddenly Obsessed With Zcash

  In coverage record: 15 May 2026

  “In January, an analyst at Jefferies predicted that the rise of quantum computing will be a top threat to bitcoin in the future.”

  Read article ↗

• Activist Post · Published 7 May 2026

  Freezing 5.6 million dormant bitcoin could trigger ‘worst’ single-day repricing

  In coverage record: 7 May 2026

  “Supporters argue that quantum computing poses an existential threat that may justify controversial tradeoffs, while others insist that inaction and voluntary defenses are preferable to what they see as protocol-level confiscation.”

  Read article ↗

• Activist Post · Published 11 Apr 2026

  Bitcoin's $1.3 trillion security race: Key initiatives aimed at quantum-proofing the world's largest blockchain

  In coverage record: 11 Apr 2026

  “Google researchers say a sufficiently powerful quantum computer could break Bitcoin’s core cryptography in under nine minutes, raising concerns that such a threat could emerge as soon as 2029.”

  Read article ↗

• CoinDesk · Published 5 Apr 2026

  Bitcoin's $1.3 trillion security race: Key initiatives aimed at quantum-proofing the world's largest blockchain

  In coverage record: 5 Apr 2026

  “Google published research suggesting that a sufficiently powerful quantum computer could crack Bitcoin's core cryptography in under nine minutes.”

  Read article ↗

• Benzinga · Published 2 Apr 2026

  6.7 Million Bitcoin Face A 9-Minute Quantum Threat And Nobody's Watching, Crypto Exec Warns

  In coverage record: 2 Apr 2026

  “The Google paper suggests that an optimized quantum computer could crack a private key in roughly 9 minutes — slightly faster than Bitcoin’s average 10-minute block time.”

  Read article ↗

• Benzinga · Published 1 Apr 2026

  Google's Research On Quantum Threat 'Reasonable,' Crypto Community Should Start Preparing For Resistant S

  In coverage record: 1 Apr 2026

  “Palihapitiya’s warning follows Google’s latest research, which suggested quantum computers could crack Bitcoin’s cryptography far sooner than expected.”

  Read article ↗