From the source
Supabase published a walkthrough of its first hack-the-base challenge, detailing nine flags and the techniques used to find them, including inspecting HTML, querying DNS TXT records, and bypassing client-side validation.
From the source
From the source

Supabase published a walkthrough of its first hack-the-base challenge, detailing nine flags and the techniques used to find them, including inspecting HTML, querying DNS TXT records, and bypassing client-side validation.
From the source
If you weren't able to find all the flags, or are just interested in learning some intelligence gathering techniques hackers use to find and capture flags, read on as we detail all nine flags and how to find them.
supabase.com