Blockchains quietly prepare for quantum threat as Bitcoin debates timeline

Altcoin blockchains are preparing for long-term quantum risk, while influential Bitcoin voices disagree over how and when it should be addressed.

Quantum computers still cannot break Bitcoin, but several major blockchains are preparing for a future in which they might.

In the past week, Aptos proposed post-quantum signature support as Solana tested quantum-resistant transactions. Meanwhile, parts of the Bitcoin community renewed calls to accelerate work on quantum-safe upgrades.

These developments point to a growing anxiety across crypto. Investors argue that dismissal of quantum risk by influential voices is weighing on Bitcoin’s (BTC) price, which has dropped 24% over the past three months.

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