Cryptographyeasy50 pts0 solves
Base64 Welcome
Your first flag. A volunteer left this note for new members, but it was encoded so it would not show up in a quick search: `Y3Nwa3t3ZWxjb21lX3RvX2N5YmVyc2VjdXJpdHlfcGt9` Decode it to get the flag.
Learning objectives
Recognise Base64 and decode it with a terminal or an online tool such as CyberChef.
Instructions
Nothing to download and no server to attack. Decode the text above and submit the result.
Prerequisites: None.
Flag format:
cspk{...}Files: (download after registering)
Write-up
The full write-up and learning takeaways unlock after you solve this challenge — spoilers stay hidden until then.