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Identification algorithm (“ID-CODE”) to replace photos

Replace the face with a secure hash-based tattoo for id purposes
  [vote for,

During the present times of mask wearing to minimize the spread of the dangerous and deadly disease covid19, verifying the identify a passenger by the face has become a challenge. Immigration agents must still use photo-id in passports to confirm the identity of the passport holder, who must remove his or her mask in the presence of the agent sufficiently to verify the identity of the holder. It is obvious that removing the mask within the presence of the agent exposes the agent to covid19 and contracting covid 19 becomes an almost certainty if the agent is exposed to hundreds if not thousands of passengers as part of his duties. Thus, a more secure method of photo-id to identify a passenger is needed that does not expose the agent to covid19 and future deadly pathogens by removing face masks to reveal a face., to wit: the identification algorithm, “ID-CODE” to replace photos, a code expressed on a part of the body that does not need the removal of a mask to be visible. The ID-CODE takes advantage of blockchain technology to uniquely identify a person, not by the appearance of a face which has the disadvantages of hiding under a mask and further disadvantage of changing over time. Using an immutable secure hashing algorithm such as SHA 256, adopted by blockchain technology in combination with a person’s unique physical characteristics, a particular data set can be established for every person, converted to a visible code “ID-CODE” which can be viewed by an immigration agent using present photo- conversion technology, and compared to the same code on a passport. As an example, the code can be permanently tattooed or otherwise impressed on an arm, hand or other areas of the body that does not require removing a face mask. A person exposes their ID- CODE to the agent who uses a scanner to read the hash and then compares the hash printed on the passport. Once the ID-CODE is adopted for passports, the same ID-CODE can be used by other services that require secure identification, such as banks, schools, colleges, work-places, hospitals, courts, police and prisons and replace easily stolen credit and debit card. The ID-CODE will eliminate the present problem of ID theft and save society billions if not trillions of dollars over time due to theft and mistaken identification.
el dueno, Dec 05 2021


       All very well, until you need to cross the border between "The Middle Of Nowhere" & "The Back Of Beyond", where things like blockchains don't work.
How would a blockchain "uniquely identify a person" anyway? (I admit I know very little about blockchain software, but the central premise seems to be "tell everyone everything & let everyone decide every decision".)
neutrinos_shadow, Dec 05 2021

       I haven't worked with blockchain tech either, but I think a blockchain- based implementation of this idea would require everyone's identity to be encoded in tattoo on everyone's face, in an impossible outbreak of fractal black acne.   

       If all you want to do is guarantee uniqueness, why not just grab a GUID?
pertinax, Dec 06 2021

       So with this system, once I steal your passport, all I have to do to impersonate you is to print a barcode or something (the "ID-CODE") on my arm? Sounds easy.

There's no such thing as completely secure identification*. Current systems typically try to match together something you hold (e.g. a credit card or passport), something you are (e.g. face or fingerprint) and something you know (e.g. password or PIN). Your approach misses out the "something you are" and appears to just add complexity to the "something you hold" but more complexity doesn't mean more security.

[* ...although some in the field of security and identification have pointed out that after a baby's born, and while the umbilical cord is still attached, you can be pretty sure of the identity of the child's mother.]
hippo, Dec 06 2021

       This is a bone from me. Tattooing people to verify their identity is a totally repulsive idea. Check your history to see when it was last used and why.
xenzag, Dec 06 2021

       Could be called the "Be Easily And Swiftly Tested" Number, (probably easier to remember if it was abbreviated into a acronym)
pocmloc, Dec 06 2021

       What [hippo said] ^^^   

       // [* ...although some in the field of security and identification have pointed out that after a baby's born, and while the umbilical cord is still attached, you can be pretty sure of the identity of the child's mother. ] //   

       But only pretty sure, since there is still room for argument in some cases where the egg originated from a different woman.
scad mientist, Dec 06 2021

       [scad mientist] yup. Surrogacy is a Thing, so giving birth doesn't mean a genetic connection. (Also, humans are weird & anomalies happen. I read about a guy whose children technically weren't his. His partner wasn't unfaithful; his testicles weren't "his" but from a chimerism...).
neutrinos_shadow, Dec 06 2021


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