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I'm studying the Trello api and had the following doubts: How is generated the id of the cards, boards and lists on trello? Is it used some kind of hash? thanks in advance.

daniel Andrade
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You must not make any assumptions on how id's are generated because if you rely on them, your code will eventually break. It is a good tone to generate id's in such a way, that it will be impossible to predict them or make any assumptions. Hashes or random numberas are a good way to achieve that. One of common ways to generate such id's is to use UUID's, but they are long.

Alexey Guseynov
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    This may be a dumb question, but most hash algorithms that I know has a 32-character output (as well as the UUID's) or wven more, but the ids used on Trello have 25 characters, this is the center of my doubts. How are they generated?... – daniel Andrade Oct 06 '16 at 15:28