Identifying Duplicate Files Imagine you have a folder full of files, all with different names, where you need to identify which, if any, are duplicates. You could use the file size but it’s not a guarantee the files are exactly the same just because they are the same size. Hashing files is an easy way …
Tag archives: hashing
Bitcoin Proof of Work
(With try yourself code!) As much as bitcoin (note here I’m talking about the software also known as bitcoin core) is a highly complex system many of the basic elements can be fairly easily described and demonstrated. Here I’ll demonstrate a very simple example using python showing how mining works and how something called ‘difficulty’ …