In the context of the rapid development of digital technologies and the growing popularity of cryptocurrency, many users are looking for a profitable way to exchange usdcoin sol for real money. One of these tasks is to exchange the stablecoin USDC, implemented on the solana blockchain, for a banking instrument such as visa mastercard pln. In this article, we will consider the main exchange mechanisms, features of the operation and key security points so that each user can easily transfer their money.