Buy Polka Dot Crypto Coinbase. However, kraken provides the best staking rewards for dot. Here are the top 5 crypto exchanges where you can buy polkadot (dot):

After you have your coinbase account, you need to choose a cryptocurrency exchange to make your deals, then you need to transfer your newly purchased btc or eth from your coinbase wallet. The best polkadot exchange for trading is binance. With kraken, you are able to buy dot with cryptocurrencies or stablecoins.
You're going to buy some btc or eth from an exchange that accepts deposits from a debit card or bank account, and then you're going to transfer your newly bought crypto to a trading platform that sells dot in exchange for bitcoin or ether.
That’s the first step in buying polkabridge, once you get your bitcoin or ethereum, you can continue to the next step. Click “buy crypto” within your kraken dashboard in the top menu. The next step is to actually buy polkadot. Osprey funds launches a polkadot trust with coinbase serving as custodian.