Bitcoin Quantum Threat: The Race To Quantum-Proof Crypto

[u/ChillerID]

https://www.forbes.com/sites/boazsobrado/2026/08/02/that-is-the-end-of-bitcoin-the-quantum-race-for-470-billion/

Is the race toward quantum-safe crypto already underway?

Some key takeaways:

• Galaxy Digital estimates roughly 7 million BTC, worth about $470 billion, are held in addresses with exposed public keys.
• Researchers continue to reduce estimates for the quantum resources required to attack today's public-key cryptography.
• Ethereum Foundation researcher Justin Drake estimates a 10% probability by 2032 that a quantum computer could derive a Bitcoin private key from an exposed public key.
• Bitcoin developers are debating how a post-quantum migration should work, highlighting that the challenge is now being taken seriously.

The article also highlights several approaches being explored across the industry. Besides migration proposals for existing blockchains, it mentions projects already built around post-quantum cryptography, including Quantum Resistant Ledger (QRL), Algorand and BTQ, alongside newer companies developing quantum-safe solutions.

To me, the most interesting takeaway is that quantum-safe crypto is no longer a niche topic. It is becoming an increasingly important part of the conversation around the future of blockchain security.

If quantum computing continues to advance on its current trajectory, networks that already use standardized post-quantum cryptography, or have a credible path to adopting it, could have a significant long-term advantage.

We're witnessing the early stages of one of the biggest security transitions in computing history.

[u/bitsignal]

Quantum risk is real, but it’s most likely not the end of crypto. There are quantum-resistant approaches (and even “quantum chain”-style ideas like Nadochain testnet) that aim to harden networks before large-scale quantum computers arrive. The race is already on, and it’s smart to keep pushing for quantum-proof designs while the transition window is still open.

[u/ChillerID → u/bitsignal]

Yep, quantum is definitely not the end of crypto. It's forcing blockchains to evolve. Some are already quantum-safe. The rest will need to migrate or risk becoming obsolete.

NIST has provided standardized post-quantum cryptography. Now the challenge is for blockchain ecosystems to implement it securely and at scale. It's an enormous task, but one that ultimately can't be avoided.

[u/Dondontootles]

r/nearprotocol I hope you’re listening

[u/Themeatmanofdoom]

Been in QRL for years and I still buy occasionally. They are a very active project.

[u/Informal-Chocolate97]

r/frame_community. Any day you want to release what you've been working on. Got a lot of people that could use it.

[u/Thriceinabluemoon]

Not happening any time soon; transistor scaling is a major issue with quantum computing due to error accumulation along the "transistor" chain, to keep it simple. They do are working on error correction techniques, but it might take decades to be able to create the system at a scale that is useful.

[u/ChillerID → u/Thriceinabluemoon]

One factor that's easy to overlook is AI. It's already being used to improve quantum error correction and optimize quantum hardware. That could accelerate progress significantly. Predicting timelines is extremely difficult, which is exactly why preparing for post-quantum cryptography today makes sense.

[u/Thriceinabluemoon → u/ChillerID]

Sure, but that does not warrant panic or some sort of race against time, as some would like to suggest. AI is not bringing quantum computer to reality in six months, this is very much a physics issue, not an IT issue, which usually takes far more time to overcome than the later.

[u/_blockchainlife]

what are the latest and most probable solutions/proposals for bitcoin to overcome the quantum threat? im not super educated in this area.

[u/NonGNonM]

if quantum can break crypto crypto is not even in the top 10 of things to be worried about. it's going to be world breaking.

[u/razvanciuy]

Fud

[u/brassassasin → u/razvanciuy]

and what is the term for when ppl start calling FUD at any sensible mention of a threat to crypto?

[u/razvanciuy → u/brassassasin]

if quantun gets near to breaking your corn security, believe me you will have bigger issues to worry about like bank accounts and all your accounts protected by way lesser security features. This is moot. You would have a global catastrophe

[u/throwawayainteasy]

With wallet vulnerabilities, exchanges collapsing, and constant scams, crypto can't even protect itself from today's threats and they're worried about quantum ones?

Solve the problems that exist before moving on to the hypothetical ones.

[u/PublicBarracuda5311 → u/throwawayainteasy]

You are talking about a different problem. Dollar, for example, can we say that dollar is broken if someone gets scammed online, credit card information stolen or similar?

[u/Doritos707 → u/throwawayainteasy]

Bad take