Quantum computers are able to perform calculations at a much faster rate than traditional computers. This has led to concerns that quantum computers could be used to break the encryption that protects Bitcoin and other cryptocurrencies.
While it is possible for quantum computers to break encryption, it is not currently possible to build a quantum computer that is powerful enough to do so. Even if a quantum computer was built that was powerful enough to break Bitcoin encryption, it would likely take years or even decades to do so.
Therefore, it is currently not possible for quantum computers to break Bitcoin encryption. However, this could change in the future as quantum computing technology improves.