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# Bitcoin's Encryption Falls to 10,000 Qubits, Researchers Confirm
- URL: https://wire.fourthweb.ai/bitcoins-encryption-falls-to-10-000-qubits-researchers-confirm/
- Published: 2026-03-31T12:31:17.000Z
- Updated: 2026-03-31T12:31:18.000Z
- Description: The countdown to quantum-enabled wallet draining just got a lot shorter. Quantum computers may break Bitcoin and Ethereum wallet encryption with just 10,000 qubits, far fewer than previously estimated
- Author: Travis Wright
- Tags: Real World Assets, Tokenized Assets, Bitcoin, Ethereum

**The countdown to quantum-enabled wallet draining just got a lot shorter.**

### The Summary

- [Quantum computers may break Bitcoin and Ethereum wallet encryption with just 10,000 qubits](https://www.coindesk.com/markets/2026/03/31/quantum-computers-could-break-crypto-wallet-encryption-with-just-10-000-qubits-researchers-say?ref=wire.fourthweb.ai), far fewer than previously estimated
- This drastically lowers the bar for quantum attacks on crypto assets, moving the threat from theoretical to near-term
- The timeline for post-quantum cryptography adoption in blockchain just collapsed

### The Signal

For years, the quantum threat to cryptocurrency has been real but distant. Estimates typically put the danger zone at hundreds of thousands or millions of qubits, a threshold that felt comfortably far away. New research changes that calculus entirely. [The findings show that just 10,000 qubits could be enough to crack the elliptic curve cryptography protecting Bitcoin and Ethereum wallets](https://www.coindesk.com/markets/2026/03/31/quantum-computers-could-break-crypto-wallet-encryption-with-just-10-000-qubits-researchers-say?ref=wire.fourthweb.ai).

To put that in context: IBM's current quantum roadmap targets 10,000+ qubit systems within the next few years. Google's quantum efforts are on a similar trajectory. What looked like a 2030s problem might arrive before 2030\. Every Bitcoin address that's revealed its public key by making an outbound transaction becomes a potential target the moment someone spins up a sufficiently powerful quantum computer.

This isn't about breaking Bitcoin's mining algorithm or proof-of-work. This is about accessing individual wallets, emptying them before their owners can react. The attack surface is enormous. Early Bitcoin adopters, high-value wallets, anything with a visible public key is exposed. [The accelerated timeline makes post-quantum security upgrades urgent](https://www.coindesk.com/markets/2026/03/31/quantum-computers-could-break-crypto-wallet-encryption-with-just-10-000-qubits-researchers-say?ref=wire.fourthweb.ai), not optional.

### The Implication

If you're holding serious crypto, watch for wallet upgrades that implement quantum-resistant signatures. Projects that drag their feet on post-quantum cryptography will see capital flight the moment a credible 10,000-qubit machine comes online. For blockchain developers, this is the starter's pistol. The migration to quantum-safe algorithms needs to start now, not when IBM announces their next milestone. The window between "quantum computers are coming" and "quantum computers are here" just shrank to almost nothing.

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*Sources:* [*CoinDesk*](https://www.coindesk.com/markets/2026/03/31/quantum-computers-could-break-crypto-wallet-encryption-with-just-10-000-qubits-researchers-say?ref=wire.fourthweb.ai) *|* [*CoinDesk*](https://www.coindesk.com/markets/2026/03/31/quantum-computers-could-break-crypto-wallet-encryption-with-just-10-000-qubits-researchers-say?ref=wire.fourthweb.ai)