Whose Encoding Is It Anyway

Description :

You have been randomly selected to participate in a study focused on the inherent complexities of certain types of text encodings. Please attempt to translate the below text into a human readable format.

    ONYGC4TUMFXEGVCGPNVHK43UL5QW4MDUNBSXEXZQMJZTA3BTOQZV6ZLOMMYGIMLOM5PTIYJYGA4WGYRZPU======

Solution

this is base32 encoding you can use CyberChef to decode it

after decoding you will get your flag.

flag : spartanCTF{just_an0ther_0bs0l3t3_enc0d1ng_4a809cb9}