[Cancelled] 8TF checker possible?

Hello!
I'm thinking about a challenge cache that can only be logged by those having become the 8th finder of a cache 8 times.
Is it technically possible to create a checker for such a purpose?
Thank you.

Not technically possible and will be against rule 14 of the challenge cache guidelines:

Positive Challenge Criteria:

Not finding caches: design that limits or punishes any element of finding caches. Examples: Challenges that require ratios in finds; such as 10% of finds must be Attended logs, challenges that require finding only some particular type for over time, as 100 consecutive Mystery finds.

Competition rather than achievement; example, a challenge based on "First to Finds" is a competition.