authentication
US /ɑːˌθen.t̬əˈkeɪ.ʃən/
UK /ɑːˌθen.t̬əˈkeɪ.ʃən/
1.
công nhận
the process or action of proving or showing something to be true, genuine, or valid.
:
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the prints will be stamped with his seal and accompanied by a letter of authentication