Sanity Check

Challenge

This is your first flag!

Right here –> he2023{ }

🚩 Flags are in format he2023{...}, unless noted otherwise. Always check additional information given (uppercase, lowercase, spaces, etc.).

Solution

The inner part of the flag is invisible, but inspecting the source for the empty-looking space gives us the hidden flag:

1

<span style="color: black; background-color: black; opacity: 0;">just_A_sanity_chEck</span>

Flag