๐งฉ Riddle of the Day ๐ง
I am black when you buy me, red when you use me, and gray when you throw me away.
๐ง Proof of Brain (4 HOURS) โณ
โก 5 sats: ๐ Sneak peek โ how long's the answer?
โก 10 sats: ๐ต๏ธโโ๏ธ First letter? Fine, take it.
โก 22 sats: ๐ Reveal all. The riddle dies, you win (kinda).