Material: 2D double side design Zinc alloy die casting no enamel
Size: 18.75mm*1.67mm
Plating color: Shiny black nickel
Coin 2 ZBC Cents
$25
Proof of work (PoW) is used to prove that a certain amount of computational effort has been used. Invented to fight email spam, and later adopted by Bitcoin, will soon be replaced by cheaper and safer
alternatives.
Availability: 650 in stock
Reviews
There are no reviews yet.