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Crypto firms prepare defenses as quantum threat to encryption draws nearer

Crypto firms are planning post-quantum upgrades as Google warns encryption-breaking machines could arrive by 2029, raising costs and infrastructure changes.

  • The cryptocurrency industry is beginning to upgrade networks with quantum-resistant cryptography as concerns grow that future quantum computers could crack the encryption protecting digital wallets and transactions.
  • About $2 trillion in global crypto assets face potential vulnerability because major blockchains rely on decades-old elliptic-curve cryptography, which quantum machines could eventually unscramble to forge digital signatures.
  • Bitcoin remains particularly exposed, with estimates suggesting roughly 35 per cent to 50 per cent of its circulating supply could be vulnerable due to visible public keys from its 17-year history.
  • The Algorand Foundation recently published a post-quantum roadmap and plans to support new accounts later this year, though industry executives warn that migration is complex and could increase costs.
  • Google Research suggests quantum machines capable of breaking encryption could arrive by 2029, prompting comparisons to the Y2K-style overhaul as the industry prepares for a potentially years-long security transition.
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32 Articles

Tulsa WorldTulsa World
+21 Reposted by 21 other sources
Center

Crypto firms prepare defenses for quantum threat to encryption

Research concluded recent breakthroughs compressed the time frame in which cryptocurrencies will become widely vulnerable to hackers.

·Tulsa, United States
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ReutersReuters
+4 Reposted by 4 other sources
Center

Crypto firms prepare defenses as quantum threat to encryption draws nearer

The cryptocurrency industry is starting to prepare for the threat of quantum computing as recent advances fuel concerns that the technology could soon be able to crack the cryptography that protects transactions ​and digital wallets.

·New York, United States
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Lean Left

Conventional encryption methods used in cryptocurrency transactions are vulnerable to emerging technology. The post Why quantum computers are an “existential threat” to cryptocurrencies appeared first on in.gr.

·Greece
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Channel News Asia broke the news in Singapore, Singapore on Wednesday, July 8, 2026.
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