Visa and Mastercard made a massive mistake not allowing you to buy bitcoin with their cards. Now, they don’t know just how high the demand for Bitcoin is.

Visa and Mastercard have a massive business that is set for disruption by the Bitcoin monetary and payment network but they also have a massive business selling transaction data which is now missing the insights that would be available from connecting to the Bitcoin blockchain.
The disruption that credit card companies are facing from the Lightning network as firms like Strike aim to build on top of an open payments network can truly shake their business model to the core.
While chainalysis companies are aiming to bring back data mining to blockchains, privacy enabled payment channels will further obscure the nature of peer to peer payments with innovations to Bitcoin like Taproot.