Toshi is a brilliant boy from Kyoto, Japan. He works hard at school and dreams about going to the moon. He watches the moon through his window every night before he goes to sleep. He would love to go to the moon and has dreamed about it since he was a baby. One night he dreams of an advanced mathematical formula that will change the world. He begins his journey by solving blockchain riddles and mining coins. He soon has mined enough coins to buy the materials that allow him to build a rocket and a launch pad. Enjoy the adventure with Toshi and his companion Doge while they build a rocket to travel to the moon. Enjoy twists and turns as Toshi and Doge overcome obstacles caused by Mr. Cloud, and find joyful surprises on their way upward and beyond.In this charming children’s story, the early history of blockchain is written and illustrated in a way that is entertaining for children and adults alike.