It is becoming more strict to transact crypto in Nigeria as the CBN now plant agents on Binance P2P to trade with you and intentionally add crypto keywords to the payment transaction so it can alert the bank to block the receiver's account.
This however is becoming outrageous for the Nigerian government and with no single doubt, the non-compliance of the young Nigerians not believing and making use of their newly launched E-naira must have triggered this action.
These wise traders are just exhausted of having their money controlled by the government.
Source:
https://cointelegraph.com/news/nigerian-banks-tracking-customer-accounts-for-crypto-trading