Checksums might be a better example. People often use cryptographic hashes for check summing in non-security related scenarios. And, depends on the implementa

Checksums might be a better example. People often use cryptographic hashes for check summing in non-security related scenarios. And, depends on the implementation, but MD5 or SHA-1 is often the same or better performance than a CRC checksum. That shouldn't be the case, but it often is.