Quote:
Originally Posted by bitpay
Yes, risk to MasterCard's duopoly business model 
Bitcoin is the lowest risk form of internet payment ever invented. They know it, they just don't like it because it's open source and kills their high fee structure. |
As much as I like Bitcoins, and I am in the process of creating a business built on Bitcoins, I don't believe they threaten Mastercard or Visa in anyway.