Billy was tired of the bullies stealing his lunch money... ...so his dad helped him come up with a plan. Join Billy in his bitcoin adventures. Part one in this children's series that explores the world of a new kind of money. Bitcoin is not just for adults, you know... Billy's Bitcoin is a children's picture book. It is the first book in a series that explores bitcoin and its various uses. Bitcoin can be a little complex, but it doesn't have to be. This children's book is as simple as it can be. Great for teaching kids about money and technology. Book 1 available now. Books 2 - 5 in the series coming soon...