digital signature
noun [ C ] computing specialized uk/ˌdɪdʒ.ɪ.təl ˈsɪɡ.nɪ.tʃər/ us/ˌdɪdʒ.ɪ.t̬əl ˈsɪɡ.nɪ.tʃɚ/
电子签名
a way of putting a person's name on an electronic document that proves who that person is
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