Coinbase is preparing for future scenarios where quantum computers may be able to crack Bitcoin’s current cryptography.

America’s biggest crypto exchange said Thursday that while the threat isn’t imminent, hard problems — such as migrating millions of users and coordinating protocol upgrades across decentralized systems — need to be solved. 

Quantum computers are still experimental and make mistakes but some in the crypto community have sounded the alarm about hypothetical advancements in the machines that could in the future be able to break Bitcoin’s cryptography. 

“There’s a lot of noise about quantum computing right now,” Coinbase said. “Some of it is hype….

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