The platform could have a whole copy of an entire cryptocurrency ecosystem/network, like Bitcoin or ethereum, but in fancy form to make the game fun. Gamers will search for vulnerabilities in the whole stimulated cryptocurrency space and exploit them to show how vulnerable, decentralized, safe or antifragile the space or a cryptocurrency is.
I think this will help developers in the real cryptocurrency space to see and understand how vulnerable or strong their cryptocurrency projects are. And hopefully, they act accordingly by fixing the identitied problems.
Exploiters are done by cheaters to gain profit only - Hungry/Greedy bad guys
If they reported it their profit is cut and gain a little - The mind of a greedy criminal
Pure gamers just want fun and away from boredom - Neutral
Yes, I think it is applicable for technical gamers who is a coder too - Technical good guy