How many exchangers work with Bitcoin (BTC) Visa/MasterCard USD?
Could you elaborate on the current landscape of exchangers that facilitate the conversion between Bitcoin (BTC) and Visa/MasterCard transactions in USD? How many such services are currently operational and widely available to the general public? Are there any specific exchangers that stand out in terms of reliability, security, or ease of use? Furthermore, is the number of these exchangers increasing, remaining stable, or decreasing over time? Understanding this ecosystem is crucial for both investors and merchants seeking to leverage Bitcoin's potential in the traditional financial system.