# CGX#: Checksums (Programming)

In this video we talk about checksums, and it's use.

 - [EAN](https://en.wikipedia.org/wiki/International_Article_Number)
 - [crc32](https://en.wikipedia.org/wiki/Cyclic_redundancy_check) (polynoms)
 - [hashing](https://en.wikipedia.org/wiki/Hash_function)