Backers of cryptocurrencies tout the digital tokens as the next evolution of currencies, pointing to the security features they offer.
But experts say advances in quantum computing, which is poised to increase computing power by more than a thousandfold, could make light work of the security features of cryptocurrencies, upending the technology that many believe will disrupt finance. Cryptocurrencies enable quick and secure transactions through a technology that uses cryptography to create tamper-proof records.Also read: Sizzling cryptocurrencies: Top 6 market cap gainers in a year This technology, known as blockchain, works on a decentralised register – with millions of computers coming together to validate transactions. The process of
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