How do I get the harmony one coin?

Harmony is not supported by Coinbase .

How Many Harmony (ONE) Coins Are There in Circulation? Harmony (ONE) has a maximum supply of 12,600,000,000 tokens .

The Harmony ONE token is used to pay for all platform activities and amenities, including voting, transaction fees, gas fees, staking and earning rewards . The Harmony ONE token had a dynamic inflation schedule up until March 2020. Later, the rate of inflation was changed to a fixed annual rate. 3.