Jefferies: Quantum Computing Could Steal Billions in Bitcoin Soon

CRYPTO
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AuthorAnanya Iyer|Published at:
Jefferies: Quantum Computing Could Steal Billions in Bitcoin Soon
Overview

Jefferies warns that advanced quantum computers pose an existential threat to Bitcoin, potentially enabling the theft of up to half of all circulating coins within hours. The firm cited vulnerabilities in older holdings and reused addresses, estimating 4-10 million BTC at risk. This concern prompted Jefferies to exit its Bitcoin allocation, shifting funds to physical gold and gold-mining stocks.

Quantum Threat Emerges

Jefferies, a prominent financial advisory firm, has issued a stark warning about the future of Bitcoin, identifying quantum computing as a significant existential threat. Global equity strategy head Christopher Wood detailed in the firm's "Greed & Fear" note how "cryptographically relevant quantum computers" (CRQCs) could fundamentally destabilize blockchain security. While traditional supercomputers would require trillions of years to break Bitcoin's encryption, a quantum machine could allegedly achieve this feat in mere hours or days.

Bitcoin's Vulnerable Digital Keys

The firm's analysis suggests that between 20% and 50% of all Bitcoin currently in circulation, representing an estimated 4 million to 10 million coins, is susceptible to theft. The most acute risks are associated with "Sathoshi-era" holdings and institutional addresses that have reused their public keys. Such address reuse exposes public keys to quantum-enabled discovery, potentially allowing malicious actors to seize digital assets.

Internal Debates Over Security

This potential vulnerability has ignited fierce debate within the cryptocurrency community. Some proponents advocate for drastic measures like "burning" vulnerable coins to safeguard the network's integrity. However, these proposals face significant opposition, with critics arguing that such actions would be confiscatory and violate fundamental property rights.

Jefferies Shifts Investment Strategy

In light of these long-term concerns, Jefferies announced it is removing its 10% Bitcoin allocation from its long-only pension portfolio. The firm is reallocating these funds equally into physical gold and gold-mining stocks. Gold is highlighted for its historical resilience and proven status as a stress-tested store of value.

Bitcoin's Enduring Gains

Despite the serious warnings regarding future technological threats, Jefferies acknowledged Bitcoin's substantial performance. The cryptocurrency has appreciated by 325% since the firm made its initial allocation in December 2020, underscoring its volatile yet significant return potential.

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