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contactless
This term is primarily used in the context of modern financial technology and digital security. It describes a specific method of interaction where data is transferred wirelessly over a very short distance, removing the need to insert a card into a reader or physically touch a screen.
While the word describes a technical process, it carries a strong connotation of speed, convenience, and hygiene. In recent years, its usage has expanded from purely financial transactions to include any interface—such as door locks or ticketing systems—that prioritizes a touch-free experience for efficiency or health reasons.