[WeChall Link]
Prime Factory
Your task is simple:
Find the first two primes above 1 million, whose separate digit sums are also prime.
Crypto — Caesar I
As on most challenge sites, there are some beginner cryptos, and often you get started with the good old caesar cipher.
WWW-Robots
In this little training challenge, you are going to learn about the Robots_exclusion_standard. The robots.txt file is used by web crawlers…
Training: Stegano I
This is the most basic image stegano I can think of.
Encodings — URL encode
Your task is to decode the following:
Encodings — American Standard Code for Information Interchange
In a computer, you can only work with numbers. In this challenge you have to decode the…
The solution is hidden in this page
Use View Sourcecode to get it
