[mirimir]

Before that happens, I'm guessing that full DNA sequencing at birth will be a legal requirement. Like footprints are now.

[alcover]

Holly... You're right. This will happen. To an over-arching state this is the ultimate modus.

  INSERT INTO Citizen(dob,ssn)
  VALUES 2030-10-28, sha(atgcaatgcatcgc..)

[kzrdude]

hashing (sha) is not very appropriate since you're not likely to ever reproduce exactly the same base pair sequence for the same person.