Checksums are also useful for verifying that a file you downloaded from somewhere other than the original source is, in fact, a valid file and hasn't been altered, maliciously or otherwise, from the original.
Checksums bara uru maka ikwenye na faịlụ ị ibudatara site na ebe ọzọ karịa isi mmalite bụ, n'ezie, faịlụ ziri ezi ma agbanwebeghị, obi ọjọọ ma ọ bụ n'ụzọ ọzọ, site na mbụ.