Buying Bitcoin with a credit card can be easy for first-time buyers, but it has drawbacks, including bigger fees and higher interest charges.
One prevalent method for purchasing Bitcoin involves using a credit card. Buying Bitcoin (BTC) with a credit card is one of the fastest methods. Many major cryptocurrency exchanges, including Binance, Coinbase, OKX and MEXC, accept credit cards.
However, there are often additional fees to buy Bitcoin with a credit card, as well as Know Your Customer (KYC) checks to complete when first registering with a cryptocurrency exchange.
Additionally, not all credit card companies allow crypto purchases, with many credit card providers and banks usually limiting the value and frequency of cryptocurrency purchases.
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Source: https://cointelegraph.com/news/how-to-buy-bitcoin-with-a-credit-card