Quantum Threat Looms: Bitcoin Faces 2029 Deadline | Flash News Detail | Blockchain.News
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4/6/2026 7:20:00 PM

Quantum Threat Looms: Bitcoin Faces 2029 Deadline

Quantum Threat Looms: Bitcoin Faces 2029 Deadline

Nic Carter warns Bitcoin must upgrade to post-quantum signatures by 2029 or risk existential threats from quantum computing advances, as discussed in latest Bankless episode.

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Analysis

Nic Carter sounds the alarm on quantum computing's rapid advance, declaring Bitcoin has just three years to fortify against an existential crisis. In a riveting Bankless episode, the crypto analyst draws parallels to Paul Revere, urging the community to wake up before it's too late. Google's latest quantum paper shatters previous assumptions, slashing the timeline for viable attacks and exposing vulnerabilities in Bitcoin's core signatures.

The 9-Minute Window of Doom

A chilling scenario emerges: attackers could exploit a mere nine-minute window to hijack ordinary Bitcoin transactions. Carter highlights how breakthroughs in quantum tech, often shrouded in secrecy, leave little room for prior warnings. He pins 2029 as the critical deadline, pushing for swift migration to post-quantum cryptography amid tradeoffs that could reshape the network's efficiency.

Governance Battles and Ethereum's Edge

Satoshi Nakamoto's dormant coins ignite what could become Bitcoin's fiercest governance war, with debates raging over salvage laws and asset recovery. Ethereum, by contrast, appears nimbler, better equipped for the transition thanks to its adaptable framework. This quantum showdown tests Bitcoin's decentralized ethos, echoing governance strains seen in the crypto space over the past year, like the heated debates around layer-2 scaling solutions.


Matt Hougan

@Matt_Hougan

Bitwise Invest's CIO and FutureProof co-founder, former ETF.com CEO bringing deep investment expertise to digital assets.