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Alice & Bob raises $104M, says quantum computers based on cat qubits will be ready by 2030


Quantum computing remains something of a holy grail in the world of technology: it promises a huge leap in computing power, but only if someone can figure

“From the get go, Alice & Bob had a very clear vision of how quantum computers should be made [and] it was all about fault tolerance,” said CEO and co-founder Théau Peronnin in an interview. And perhaps the biggest of all, last year, Quantinuum(a spinout of Honeywell that merged with Cambridge Quantum), raised $300 million in equity at a $5 billion valuation. Meanwhile, Google had a breakthrough in the fault-removal race in November 2024 with AlphaQubit, an AI system that it said could automatically identify (yet still not fix) errors in quantum computations.

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