Product authenticity verification or anti-counterfeit feature

Ask the community
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3

Rather easy to do:

  1. make a collection with 1 Boolean field, called “Claimed” or something
  2. use its _id for your verification
  3. when entered do a query (or a get) on that _id
  4. if it exists, look at the field “Claimed”
  5. if true, reject, else, set “Claimed” to true and continue