According to *The Wall Street Journal*, algorithm development company MicroAlgo Inc. (NASDAQ: MLGO) has announced the launch of a quantum technology-based blockchain architecture. By integrating Quantum Secure Channels (QSC) and Quantum Key Distribution (QKD), the new system aims to enhance on-chain transaction security and transparency. The architecture features a four-layer design, including the quantum communication layer, blockchain core layer, smart contract layer, and application layer. MicroAlgo stated that QKD can be used for key generation and distribution, while quantum encryption protects transaction data from theft and tampering, and strengthens the system's resilience against quantum computing attacks. https://(wublock123.com)/news/microalgo-quantum-blockchain-enhances-transaction-security-transparency-60586