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-tradingBanning crypto by any government means they want to deprive their population from a technology which is going to be the best payment system in future as well as this technology can potentially new job opportunities for IT graduates.
Some government authorities ban crypto due to lack of regulation think this highly volatile currency which is risk to investors. The solution is come up with regulation and control it like other financial market.