NatureCoin is designed as the game-changer of the recycling industry. It utilizes blockchain and IoT technology to reward users for their sustainable actions, thus making recycling profitable and building a global economy connecting individuals with environmental cause. Our vision is to develop a network of decentralized recycling rewarding system for smart cities, solving recycling problem and spur changes across world.Our services deploy smart bins for recycling via large-scale loT network in cities and our NatureCoin app will bind all hardware in the system, acting as a digital wallet for transactions on the blockchain, and provide data analysis to ensure efficiency in the recycling rewarding system.NatureCoin is the first-ever idea to integrated blockchain and IoT technology in the waste recycling business. It is a bottom-up solution with connects all individuals in the cities, including tourists, and capable of accomplishing the following goals: • Decentralized P2P transaction • Efficiency in Recycling Rewarding System • Making Recycling Profitable • Long-term Sustainability: Create smart cities with big data, smart network and IoT • Eco-tourism