You can purchase ATOM on major exchanges such as Binance, Kraken, and Coinbase. If you're looking to purchase ATOM outright, here's a step-by-step how to do it on Binance exchange: Step 1: Log into your Binance account. Step 2: Go to spot wallet and deposit the crypto you want to trade for Cosmos ATOM (for example, USDT) Step 3: On the trading page, go to the ATOM/USDT. On the bottom, you will find the order panel. Step 4: Select the 'Market' option. Enter the amount for which you want to buy ATOM and click the 'Buy ATOM.' In a matter of seconds, ATOM will be available in your Binance spot wallet.