Lesson 3
[DEV: PHP] Cryptocurrency transferring from selected addresses
https://dev.to/apirone_com/dev-php-c...addresses-195n

Cryptocurrencies are pseudo-anonymous means of payment. On the one hand, you do not need to pass verification to create a wallet, and on the other hand, you can determine the source of funds from the transaction chain. Exchangers do not want to deal with “dirty” coins, so they conduct KYC processes and check each transaction.