claymore作者のdevfeeの採掘先を見ればツルハシ屋がいかに儲かるか分かるぞ
https://ethermine.org/miners/c6F31A79526c641de4E432CB22a88BB577A67eaC
https://ethermine.org/miners/e19fFB70E148A76d26698036A9fFD22057967D1b
https://ethermine.org/miners/34faaa028162c4d4e92db6abfa236a8e90ff2fc3

これはほんの一部な