What is the benefit of creating a crypto wallet? How can this be considered a "business opportunity" or "investment activity"?
Who said that the cryptocurrency market is booming? How do you know the right business partner?
It is a mistake to partner with "multinationals," especially with beginners.
I may not have understood exactly what you are saying, it is a mistake to create an encryption wallet. There are many open source wallets that you can use safely.
With the increasing adoption of cryptocurrency, the number of crypto wallet users is increasing. Companies that have build their crypto wallets to cater to the needs of wallet users are generating huge revenue by charging transaction fees. Thus, developing a crypto wallet can be seen as a great investment opportunity to create a new revenue stream.
I am not sure why you consider it a mistake to partner with a multinational company.