Why technical standards matter in the field of quantum technologiesQuantum technologies are rapidly evolving from fundamental research into practical applications with the potential to transform computing, communications, sensing, metrology and cybersecurity. As these technologies advance toward commercialization and large-scale deployment, establishing a common technical foundation is essential to support their widespread adoption. Technical standards provide this foundation by ensuring interoperability, reliability, security, and compatibility across quantum systems and platforms. They also reduce technical barriers, facilitate collaboration across industries and international markets, and promote confidence in emerging quantum technologies. To support the development of these technical standards, several international and European standardization committees are actively working on quantum technologies, including:Current standardization activities within these committees primarily focus on quantum computing, quantum communication, and quantum cryptography.