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Location: Home / Technology / Hacking bitcoin wallets with quantum computers could happen – but cryptographers are racing to build a workaround

Hacking bitcoin wallets with quantum computers could happen – but cryptographers are racing to build a workaround

techserving |
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Stefan Thomas really could have used a quantum computer this year.

Hacking bitcoin wallets with quantum computers could happen – but cryptographers are racing to build a workaround

The German-born programmer and crypto trader forgot the password to unlock his digital wallet, which contains 7,002 bitcoin, now worth $265 million. Quantum computers, which will be several million times faster than traditional computers, could have easily helped him crack the code.

Though quantum computing is still very much in its infancy, governments and private-sector companies such as Microsoft and Google are working to make it a reality. Within a decade, quantum computers could be powerful enough to break the cryptographic security that protects cell phones, bank accounts, email addresses and — yes — bitcoin wallets.

"If you had a quantum computer today, and you were a state sponsor – China, for example – most probably in about eight years, you could crack wallets on the blockchain," said Fred Thiel, CEO of cryptocurrency mining specialist Marathon Digital Holdings.

This is precisely why cryptographers around the world are racing to build a quantum-resistant encryption protocol.