It’s when all major payment processors collude to prevent money from reaching certain businesses. Since they’re essentially a small set of players constituting

It’s when all major payment processors collude to prevent money from reaching certain businesses. Since they’re essentially a small set of players constituting a duopoly (Visa and MasterCard) or oligopoly once you pull in the other players, there’s not much you can do about it. Their power constitutes a threat to freedom of speech, since they’re also commonly targeted by activists to “deplatform” those they disagree with. The big example is when the credit card companies blocked Wikileaks in 2010: https://www.rawstory.com/2010/12/mastercard-visa-licenses-revoked-iceland-wikileaks/ https://www.rawstory.com/2010/12/mastercard-visa-licenses-re... A more recent example from 2020: https://news.gab.com/2020/06/26/social-credit-score-is-in-america-visa-blacklisted-my-business-and-my-family-for-building-gab/ https://news.gab.com/2020/06/26/social-credit-score-is-in-am...