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Unforgeable quantum money can be stored in an ultracold ‘debit card’

New Scientist•Friday, September 19, 2025 at 7:00:55 PM
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Unforgeable quantum money can be stored in an ultracold ‘debit card’
A groundbreaking experiment has demonstrated that quantum money, utilizing the unique states of light particles, can be securely stored in an ultracold 'debit card.' This innovation not only promises unforgeable transactions but also opens the door for future use of quantum currency, potentially revolutionizing how we think about money and transactions. As the world moves towards more secure financial systems, this development could play a crucial role in enhancing transaction security and efficiency.
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