Visitors From Dreams is a curious concept, much like the experience of dreaming about money . In the world of dreams, unexpected visitors can hold symbolic meaning, representing unspoken desires or subconscious thoughts. Similarly, dreaming about money often triggers thoughts of wealth, success, and...

In the first crypto challenge, we saw that converting a string of characters into its SHA256 hash is not as straightforward as it seems. In this second crypto challenge, you will be given a binary file and asked to calculate its SHA256 hash. You may use either Command Prompt or PowerShell to accompl...