CoinBase is one of the major cryptocurrency exchanges and they were working along with Capital One.
When a person makes a BTC purchase on CoinBase using their Capital One card, on the transaction information it shows up as "CoinBase purchase" thus they know that it is a cryptocurrency buy or sell order so they block it.
CoinBase is one of the major cryptocurrency exchanges and they were working along with Capital One.
When a person makes a BTC purchase on CoinBase using their Capital One card, on the transaction information it shows up as "CoinBase purchase" thus they know that it is a cryptocurrency buy or sell order so they block it.