Quantum Threats Loom Over Bitcoin: Is SegWit Really Enough? Expert Analysis Inside

Bitcoin’s SegWit upgrade was hailed as a game-changer—but can it stand against the quantum computing storm brewing on the horizon?

Woo’s take cuts through the hype: 'It’s a band-aid, not a bulletproof vest.'

Meanwhile, Wall Street’s still trying to figure out how to short decentralization. Good luck with that.

TLDR

• Willy Woo proposes holding Bitcoin in SegWit wallets for up to seven years to protect it from quantum computing threats.
• SegWit addresses protect Bitcoin’s public key, making it less vulnerable to potential quantum attacks compared to Taproot addresses.
• Woo emphasizes that users should avoid making transactions from SegWit addresses until quantum-safe solutions are developed.
• Some experts, like Charles Edwards, criticize Woo’s suggestion and call for more urgent upgrades to the Bitcoin network.
• The quantum computing threat to Bitcoin remains debated, with many experts suggesting that the risk is still years away.

Willy Woo, a well-known figure in the Bitcoin (BTC) community, has suggested a solution for protecting Bitcoin against the emerging threat of quantum computing. Woo’s proposal involves holding Bitcoin in SegWit wallets for up to seven years. This recommendation aims to keep Bitcoin safe until quantum-resistant protocols are developed.

Bitcoin Users Urged to Use SegWit for Quantum Protection

In a post on X, Woo discussed the vulnerabilities of bitcoin to quantum computing. He explained that quantum computers could potentially break the encryption that secures Bitcoin transactions. Traditional Bitcoin addresses, such as Taproot, expose the public key within the address, making them susceptible to quantum attacks. SegWit addresses, however, protect the public key by hiding it until a transaction is recorded.

DUMMIES GUIDE TO BEING QUANTUM SAFE.

In the past it was about protecting your PRIVATE KEY (your seed phrase). In the age of big scary quantum computers (BSQC) that are coming, you need to protect your PUBLIC KEY also.

Basically a BSQC can figure out your private key from a…

— Willy WOO (@woonomic) November 11, 2025

Woo emphasized that this approach focuses on protecting the public key, not just the private key.

“In the age of big scary quantum computers, you need to protect your public key also,” Woo stated.

By using SegWit addresses, Bitcoin users can secure their funds until quantum-safe solutions are developed. Woo also mentioned that users should avoid making transactions from these addresses until a solution to the quantum threat is in place.

Experts Debate the Effectiveness of the SegWit Approach

While Woo’s suggestion has received attention, not all Bitcoin experts agree with the approach. Charles Edwards, founder of the Bitcoin fund Capriole, criticized Woo’s proposal. Edwards argued that SegWit is not a sufficient protection against quantum threats. He believes that the Bitcoin network needs an immediate upgrade to address the quantum issue. “We need to upgrade the network ASAP,” Edwards remarked, warning that waiting too long could lead to disaster.

Willy you know this isn't a solution. Segwit is no protection model. We need to upgrade the network ASAP, and these kind of posts suggesting we have 7 years WOULD mean the network collapses first. Bitcoin can adapt, but we need to see a lot more traction on that now and really…

— Charles Edwards (@caprioleio) November 11, 2025

Despite these concerns, Woo’s proposal offers a temporary measure for Bitcoin holders. While quantum computing is still a long way from being a viable threat, experts agree that the issue must be addressed eventually. Bitcoin’s current cryptographic structure is not prepared for the potential dangers of quantum computing.

The possibility of quantum computers breaking Bitcoin’s encryption remains a hotly debated topic. Some argue that the technology required for a successful quantum attack is still decades away. Others, however, believe that the threat is more imminent and should be addressed sooner. Bitcoin advocates like Michael Saylor downplay the concern, calling it a marketing strategy for quantum-branded tokens.

Although quantum computing may not pose an immediate risk, many believe that developing quantum-resistant protocols should be a priority. As the race for quantum computing advances, the cryptocurrency industry must prepare for its eventual impact. Until then, some Bitcoin users may choose to follow Woo’s recommendation to secure their holdings in SegWit wallets.