![]() ![]() ![]() īut what exactly do quantum computers do, and how do they function? The likes of Goldman Sachs and JP Morgan have invested in researching the technology, too no surprise, then, that the market for quantum computing is expected to hit $64 billion by 2030. The development of the technology is proceeding at a pace, with tech giants like Google and IBM competing with nascent start-ups like PsiQuantum. The crypto world has been eyeing quantum computing nervously for some time now. However, there may be some new technology around the corner that makes the challenge less daunting-a worrying prospect for holders of cryptocurrency. If a brute force attack on that scale sounds impractical to you, that's because it is. For perspective, that’s a 78-digit number that’s estimated to be greater than the total number of atoms in the universe. That means a brute force attack has to search for the right number between one and 115 quattuorvigintillion. A private key is a number between one, and 2^256.
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