What is energy coin? Md. Saifur Rahman ATP (Adenosine triphosphate) is known as 'biological currency' or energy coin, where energy is stored and can be used whenever cell demands. You may likeDo I need car insurance?What is car insurance?How could I get cheaper car insurance?What is auto insurance?Why Adulterant food is the barrier to sound health?What are the producers?What are food preservatives?What is food chain?What is tertiary consumer?