The spectator can keep the card as souvenir, and from this point on, EVERYTHING is fully examinable!

观众可以使卡作为纪念，这个角度上，一切都是完全考试！

If couples of users make a coalition and collude to generate a new image or video section, they would weaken the examinable energy of the fingerprint a lot, hence avoid being traced.

如果若干用户联合来进行共谋,伪造一份新的图像或视频作,就会可检测出的指纹的能量,而躲过检测者的追踪。