Fingerprint is a method that is used by many people nowadays, take a look at the amazing things in this video.
reference
75:3
أَيَحْسَبُ ٱلْإِنسَـٰنُ أَلَّن نَّجْمَعَ عِظَامَهُۥ ٣
Do people think We cannot reassemble their bones?
75:4
بَلَىٰ قَـٰدِرِينَ عَلَىٰٓ أَن نُّسَوِّىَ بَنَانَهُۥ ٤
Yes ˹indeed˺! We are ˹most˺ capable of restoring ˹even˺ their very fingertips.