Traditional Culture Encyclopedia - Traditional festivals - What is a watermark?
What is a watermark?
Watermark usually refers to digital watermark, which is a kind of protection information embedded in the carrier file through computer algorithm. It can effectively protect information security and realize security traceability, and its characteristics are security, concealment and sensitivity. In addition, watermark can also represent the traditional method of woodcut printing and painting in China, also known as "watermark woodcut".
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