The era of quantum computing will finally come. On January 8, more than 20 experts from 7 Chinese scientific research institutions including Tsinghua University and Zhejiang University jointly published an academic paper on the preprint platform arxiv, claiming that only 372 qubits are needed A quantum computer (qubits) can crack a 2048-bit RSA key. Did this event spark a quantum sensation? Roger A. Grimes, an expert specializing in host security and preventing hacker and malware attacks.