They are just one-way functions – Which suggests that it's unfeasible to use the hash price to determine what the initial enter was (with current technology and tactics). How can it make sure it’s unfeasible for almost every other input to provide the exact output (MD5 no longer does this https://taixiugo8852840.blogolize.com/the-best-side-of-what-is-md5-technology-72595024