thumb|right|The NemID logo often appears where its usage is required or one of the log in optionsNemID () was a common login solution for Danish Internet banks, government websites, and some other private companies. NemID was managed by the Nets DanID A/S company and came into use on July 1, 2010. During its use, everyone in Denmark who was more than 15 years old and had a CPR-Number was eligible for a NemID, which could be used with their bank as well as public institutions. Anyone over 13 years old was able to use a NemID for internet banking. NemID was scheduled to be phased out on 30 June
thumb|right|The NemID logo often appears where its usage is required or one of the log in optionsNemID () was a common login solution for Danish Internet banks, government websites, and some other private companies. NemID was managed by the Nets DanID A/S company and came into use on July 1, 2010. During its use, everyone in Denmark who was more than 15 years old and had a CPR-Number was eligible for a NemID, which could be used with their bank as well as public institutions. Anyone over 13 years old was able to use a NemID for internet banking. NemID was scheduled to be phased out on 30 June 2023, and replaced by MitID. It was shut down on 31 October 2023.
== Operation == thumb|right|A NemID card that holds the user's private one-time-use keysUsers of NemID were assigned a unique ID number that could be used as a username in addition to their CPR-Number or a user-defined username. They would receive a card containing pairs of numbers, similar to Transaction authentication numbers. After logging in with a username and password, NemID users were prompted to enter a key corresponding to a number as part of NemID's two-factor authentication scheme. These private keys were one-time use only. After all of them were used the user was required to get new private keys, which were typically sent to the user via mail once they were about to run out.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).