People marvel at encryption and how difficult it is to crack. Typical encryption is 256-bit encryption which provides billions of combinations to secure information and keep it unique. As humans we have our own unique identifier that is encoded into us whilst in our mothers wombs - fingerprints. Fingerprints are amazing! They are completely unique to us and are formed between the 10th and 24th week of a fetus' growth. There are currently over 7 billion living example of unique fingerprints around the world, and who knows how many there have been through our existence on the Earth. Isn't our divine mother amazing!!! And don't even get us started on mitochondria (mtDNA) - The Mother Gene equivalent of a surname! Jai Mata Ki!
For additional reading:
Forever-Fingerprints-Amazing-Discovery Children by Sherrie Eldridge