They say ignorance is not an excuse it is synequonon to failure. I have came across several advertisement where banks offer to sell shares to the public who are willing to buy, and judging from that kind of investment which is as same as investing in digital asset like 'bitcoin'.
Recently it was fidelity bank now gtb is now selling and the window is still open for potential investors. But I don't know if it profitable to invest.
One good thing I know about investments like this  is its stress-free nature. I doesn't need your time, effort, extra resources. With time your money appreciates like the bitcoin.
GTCO Group Managing Director Mr. Segun Agbaje disclosed that the group plans to issue nine billion ordinary shares of 50 kobo each at an offer price of N44.50 per share on the Nigerian Exchange Limited (NGX).
https://www.google.com/amp/s/nairametrics.com/2024/07/09/gtcos-n400-5-billion-public-offer-aimed-at-enhancing-capital-and-international-growth-agbaje/%3famp=1