Source: Cointelegraph.com NewsBlackRock Bitcoin warning
\nIn a rare move, BlackRock has quietly added a new line to its iShares Bitcoin Trust (IBIT) filing \u2014 and it is turning heads. The update, submitted in early May 2025, flags quantum computing as a potential risk to Bitcoin\u2019s long-term security.
\nThe filing specifically warns that if quantum tech advances far enough, it could break the cryptographic systems that secure Bitcoin.\u00a0
\nIn their words, it could \u201cundermine the viability\u201d of the cryptographic algorithms used not just in digital assets but across the global tech stack.
\nIt\u2019s the first time you\u2019ve seen the world\u2019s largest asset manager call out this threat so directly in a Bitcoin-related disclosure, and it says a lot about how seriously institutional players are starting to take future-proofing crypto.
\nYes, exchange-traded fund (ETF) risk disclosures tend to be exhaustive by nature. But the fact that quantum computing made the cut (alongside more common concerns like volatility and regulatory shifts) suggests it\u2019s no longer just a hypothetical issue in the eyes of big finance.
\nFor investors, this signals two things: first, that Bitcoin isn\u2019t immune to emerging tech threats, and second, that institutional players like BlackRock are actively weighing those risks as they build long-term strategies in crypto.\u00a0
\nThe message is clear: If the industry wants to stay ahead, preparing for a post-quantum world can\u2019t wait.<\/p>\n
Did you know? As of early 2025, BlackRock manages over $11.6 trillion in assets, making it the largest asset manager globally. To put that in perspective, BlackRock\u2019s assets under management exceed the combined GDP of Germany and France. Bitcoin quantum risk: Is it real?
\nQuantum computers work differently from the laptops and servers we use today. Instead of crunching numbers one at a time, they can process huge numbers of possibilities at once. That makes them incredibly powerful \u2014 especially when it comes to cracking codes.
\nBitcoin\u2019s security relies on two major cryptographic systems: SHA-256 and ECDSA. In plain terms, these are the tools that secure your Bitcoin address and make sure only you can authorize transactions. They\u2019ve worked flawlessly for years, but quantum computers could change that.
\nHere\u2019s the worry: A powerful enough quantum computer might be able to reverse-engineer your private key from your public address, especially during that short window after you\u2019ve broadcast a transaction but before it\u2019s confirmed on the blockchain. If that ever became possible, someone could hijack your transaction and steal your coins.
\nThat sounds dramatic, but it\u2019s not an immediate threat. Most researchers agree they\u2019re still at least 10-20 years away from quantum machines that could actually pull this off. The tech just isn\u2019t there yet \u2014 not at the scale or stability needed to break Bitcoin\u2019s cryptography.
\nStill, the warning signs are flashing. Roughly a quarter of existing Bitcoin (BTC) sits in older wallet formats that could be more vulnerable if quantum leaps happen faster than expected. And even if the timeline is long, the crypto community knows it has to act early. Work is already underway on post-quantum cryptography, which is a security system that could stand up to the next generation of computing.<\/p>\n
Did you know? Quantum computers can, in theory, solve certain problems exponentially faster than classical computers. For instance, Google\u2019s Sycamore processor completed a specific task in 200 seconds, whereas it would take even the most advanced classical supercomputers approximately 10,000 years to finish. Source: Cointelegraph.com NewsBlackRock Bitcoin warning In a rare move, BlackRock has quietly added a new line to its iShares Bitcoin Trust (IBIT) filing \u2014 and it is turning heads. The… <\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[5],"tags":[],"_links":{"self":[{"href":"http:\/\/cryptospotters.net\/index.php?rest_route=\/wp\/v2\/posts\/130009"}],"collection":[{"href":"http:\/\/cryptospotters.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/cryptospotters.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"http:\/\/cryptospotters.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=130009"}],"version-history":[{"count":0,"href":"http:\/\/cryptospotters.net\/index.php?rest_route=\/wp\/v2\/posts\/130009\/revisions"}],"wp:attachment":[{"href":"http:\/\/cryptospotters.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=130009"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/cryptospotters.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=130009"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/cryptospotters.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=130009"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n Is Bitcoin safe from quantum computing?
\nWhile quantum computing still feels like a future problem, the crypto industry is already gearing up for it, and the efforts underway are more serious than most people realize.
\nWhat Bitcoin\u2019s doing (and not doing yet)
\nChanging the protocol behind a blockchain is never simple; you need broad consensus, careful testing and a long lead time. But that hasn\u2019t stopped developers from floating ideas regarding Bitcoin.
\nOne of the most talked-about proposals is something called QRAMP, the Quantum-Resistant Address Migration Protocol. The idea is to push users to move their coins from older, potentially vulnerable wallet formats into addresses protected by newer, quantum-safe algorithms. It would require a hard fork, so it\u2019s no small lift, but it\u2019s a serious plan to future-proof the network before a so-called \u201cQ-Day\u201d sneaks up.
\nWho\u2019s already ahead?
\nSome blockchains aren\u2019t waiting around. Algorand, for example, has already integrated Falcon, a post-quantum digital signature algorithm that\u2019s been officially vetted by the US National Institute of Standards and Technology (NIST). That means transactions on Algorand are already being backed by encryption that could hold up even if quantum machines go live tomorrow.
\nThe Quantum Resistant Ledger (QRL) is another big one. It was built from day one with this threat in mind, using XMSS (a hash-based signature scheme) instead of traditional cryptography. It\u2019s not a major player in market cap terms, but it\u2019s one of the most advanced projects in terms of pure security design.
\nWhy it\u2019s not easy
\nOf course, none of this is simple to implement. Quantum-safe cryptography often comes with trade-offs. Algorithms like Falcon are compact and efficient, but they still require more computing resources than traditional ones.\u00a0
\nMoreover, switching everyone \u2014 miners, exchanges, wallet apps and individual users \u2014 to a new cryptographic standard could be a logistical nightmare unless it\u2019s planned years in advance.
\nPlus, there\u2019s a delicate balance to strike. Move too soon, and you risk breaking things or relying on tech that isn\u2019t battle-tested. Wait too long, and you\u2019re exposed.\u00a0
\nThat\u2019s why many in the space are eyeing a 10-to-20-year window as a rough estimate for when quantum computing becomes a real threat. But even then, nobody wants to be the last to prepare.
\n Bitcoin\u2019s future and quantum computing
\nIf there\u2019s one lesson from quantum conversation so far, it\u2019s this: Being early matters. When it comes to tech that could one day rewrite the rules of digital security, waiting around just isn\u2019t an option.
\nSo, what does preparation look like?
\nFor developers, it starts with testing and integrating quantum-resistant algorithms into existing systems. Some are already experimenting with \u201chybrid\u201d approaches, using both traditional and post-quantum cryptography side by side, so networks aren\u2019t caught off guard if (or when) Q-Day arrives.
\nFor crypto businesses \u2014 exchanges, custodians and wallet providers \u2014 the job is twofold: Make sure your infrastructure is future-proof, and make sure your users know what\u2019s coming. Education and UX will play a huge role here. Migrating keys and updating protocols isn\u2019t something the average holder can or should do alone.
\nAnd then there\u2019s the regulatory side \u2014 maybe not the most exciting part of crypto, but an absolutely critical one in this context.
\nYou are already seeing movement: The NIST finalized several post-quantum cryptographic standards in 2024. That gives the industry a starting point, a common language to build around. But what\u2019s still missing is a clear regulatory push that says, \u201cHere\u2019s how and when this should happen.\u201d
\nGood policy here wouldn\u2019t mean clamping down on innovation \u2014 it would mean supporting it. Think: funding open-source research, incentivizing post-quantum upgrades and creating frameworks that help institutions adopt secure standards without killing momentum.
\nDid you know? The US government began preparing for the quantum threat as far back as 2016, and in 2024, the NIST\u2019s move was sparked by growing fears that quantum computers could one day break the encryption protecting everything from Bitcoin to national security infrastructure.
\nA slow burn\u00a0
\nBlackRock didn\u2019t need to bring up quantum risk in its ETF filing \u2014 but it did. And when a company of that size puts it in writing, it turns vague rumors into something much more real.
\nThe transition to a quantum-resistant crypto world isn\u2019t going to happen overnight. It\u2019ll be messy, slow and full of tough technical choices. But it has to happen.\u00a0
\nFinally, waiting until quantum computers are actively breaking SHA-256 in the wild would already be too late.Read More<\/a>BlackRock<\/p>","protected":false},"excerpt":{"rendered":"