- Bitcoin is repeatedly said to be at risk from developing quantum computer technology.
- This time it is Jan van Eck, CEO of the financial services provider of the same name, who is publicly worried in a CNBC interview.
Quantum computing has been increasingly cited as a security threat to Bitcoin lately. In one Interview mit CNBC VanEck CEO Jan van Eck questioned whether Bitcoin really has adequate encryption and the necessary data protection. He raised concerns about “quantum fraction encryption,” noting that some in the know are already switching to Zcash for better data protection.
It was noticed, that Bitcoin has an open ledger that discloses transactions, which is contrary to emerging user privacy demands. Although VanEck remains committed to Bitcoin, the company treats it like a traditional asset.
TLDR:
The bitcoin bear market is being driven by the onchain reality of the halving cycle (bearish for 2026), quantum-breaking-encryption concerns and the better privacy of Zcash.@vaneckpk said it best: dollar cost average into bear markets@vaneck_us https://t.co/T4o8ofDggD
— Jan van Eck (@JanvanEck3) November 21, 2025
The Bitcoin bear market points to broader structural forces as well as the halving cycle – and supposedly the risks of quantum computing. The decentralized management of the network represents a limitation because it takes time to update the network and respond to upcoming technological threats.
Experts warn that machines capable of subverting elliptic curve cryptography could leak private keys and disrupt transactions. The risk is currently still unrealistic, but markets do not always act and react in accordance with reality.
Zcash a leader in quantum security?
Zcash has already positioned itself as proactive against quantum attacks. Since September, ZEC’s price has risen fifteen-fold, driven by diffuse fears of quantum attacks. Zcash argues that possible quantum attacks can be survived long enough for security patches to be available and implemented.
Unlike Bitcoin, Zcash takes a community-based upgrade approach that enables coordinated actions and focuses primarily on the wallets’ software rather than the protocol itself.
Expert Zach Humphries pointed out Zcash’s rapid increase in value since the start of 2025 and called the token one of the best trades of the year.
He emphasized the need to monitor the movements of large investors and maintain a strong position in Zcash after the big profits. The network’s focus on data protection appears to have helped secure customer trust while preparing for quantum attacks.
In any case, many investors are now comparing the fundamental strength of Bitcoin with the flexibility and data protection advances of Zcash. It doesn’t matter whether such questions make sense or not – in any case, they already influence the market dynamics of cryptocurrencies.
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