Party Cards in this collection represent contributions to the Crypton Party crowdfund. When the crowdfund concludes, Party Cards can be used to claim ETH or activate membership in the Party. During the crowdfund, Party Cards are non-transferable. Head to https://partybid.app/join/0x546c28f59a104eef29693c533ebb6ab50dc7d544 to learn more about this Party.