Fakhry Waseem

Bitcoin ($BTC ) could soon encounter one of the most difficult upgrades in its history: a complete migration to quantum-resistant cryptography.
Speaking at the Consensus 2026 conference in Miami, Project Eleven CEO Alex Pruden warned that the Bitcoin network can no longer afford to treat quantum computing as a distant or theoretical threat.
According to reports from "CoinDesk" Pruden explained that transitioning Bitcoin to post-quantum security would be far more complex than the Taproot upgrade, which itself took nearly five years to implement and remained optional for many users.
This time, however, there would be no opt-out.
A successful migration would require coordination across the entire Bitcoin ecosystem — including wallet providers, exchanges, institutions, miners, and individual holders.
The concern centers around timing. If quantum computers become powerful enough before the migration is completed, attackers could potentially derive private keys from publicly exposed Bitcoin addresses. In theory, this would allow malicious actors to intercept and replace transactions within the same block by paying higher fees and redirecting funds.
Project Eleven estimates that nearly $2.3 trillion worth of value could eventually be exposed to this risk.
From Research to Real Deployment
Pruden argued that Bitcoin developers should stop waiting for certainty around quantum computing timelines and instead focus on deploying real-world quantum-resistant solutions now.
“Moving stuff out of research and into production is what we need to focus on,” he said during the conference.
Several proposals are already emerging.
BIP-360 introduces a quantum-resistant Taproot output type, while "Blockstream" (https://blockstream.com?utm_source=chatgpt.com) has already implemented a hash-based signature scheme on its Liquid Network.
Meanwhile, Bitcoin Improvement Proposal 361 (BIP-361), backed by researchers including Jameson Lopp, outlines a phased strategy to gradually retire existing ECDSA and Schnorr signatures in favor of quantum-safe alternatives.
Still, opinions within the Bitcoin Core community remain divided. Some developers view the threat as urgent, while others believe practical quantum computers capable of breaking Bitcoin are still many years away.
Pruden believes the risk-reward equation is clear: acting too early may have limited downside, but acting too late could be catastrophic.
One unresolved issue is how the network should handle dormant Bitcoin wallets that may already be vulnerable to future quantum attacks — including coins believed to belong to Bitcoin creator Satoshi Nakamoto.
For now, Pruden says the priority should remain on ensuring the migration itself can happen successfully before debating the fate of inactive addresses.
#Artical #bitcoin #trandingcoins #Coindesk.com #UpdateBTC

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