Security experts warn Bitcoin faces urgent quantum risks as adversaries stockpile encrypted data
Security experts are warning that Bitcoin faces significant risks from quantum computing advancements. A recent study indicated that the resources needed to crack Bitcoin's cryptography have been drastically reduced. With a substantial amount of Bitcoin exposed through public keys, the potential for future attacks is a growing concern.
- ▪A Google Quantum AI paper estimated that breaking Bitcoin's cryptography could require as few as 1,200 logical qubits, a 20-fold reduction from previous estimates.
- ▪Approximately 6.5 to 6.9 million BTC have their public keys exposed on the blockchain, valued at around $450 to $500 billion.
- ▪Bitcoin's decentralized governance model may hinder rapid protocol changes needed to address quantum vulnerabilities.
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Security experts warn Bitcoin faces urgent quantum risks as adversaries stockpile encrypted data A Google Quantum AI paper slashed the estimated resources needed to crack Bitcoin's cryptography by 20x, while roughly a third of all BTC sits exposed through visible public keys. Share Add us on Google by Editorial Team May. 30, 2026 window.sevioads = window.sevioads || []; var sevioads_preferences = []; sevioads_preferences[0] = {}; sevioads_preferences[0].zone = "01f21ccf-2092-46b1-9ac7-8c44cc782e0f"; sevioads_preferences[0].adType = "native"; sevioads_preferences[0].inventoryId = "c5700508-581b-472c-8fdd-a931cdbfc8e1"; sevioads_preferences[0].accountId = "1e47efc1-ec2d-4fca-a8b9-354e249e5095"; sevioads.push(sevioads_preferences); The most dangerous attack on Bitcoin might already be…
Excerpt limited to ~120 words for fair-use compliance. The full article is at Crypto Briefing.