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The term PK 708 is an example of URL encoding, also known as percent-encoding, a mechanism used to encode information in a Uniform Resource Identifier (URI). In this context, PK could denote a variety of meanings depending on its application, but commonly, it refers to Public Key in cryptographic terms. The component is a standard encoding for a space character, and the 708 can refer to a specific identifier, code, or even a data packet.


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