This means that most of us here and the masses in Nigeria will be paying 25% tax to the government soon, as long as you earn something good above 800k (Naira) per year!
No that's not how it works. It's a progressive tax rate with 25% Been the maximum increase from previous 20%
Above 800K which is our new floor to 3 million Naira is 15%
https://www.google.com/amp/s/dubawa.org/will-nigerians-earning-about-n800000-yearly-pay-20-personal-income-tax/%3famp=1You can check the link above for the comprehensive list.
And if you an Hodler, your Bitcoin is subject to Capital Gain tax which is 10% of realized profit
I believe this thread would be better suited in our local board.