You can read about all the benefits that Cocos-BCX and MathWallet will get on the blog https://medium.com/@CocosBCX/cocos-bcx-mathwallet-established-strategic-partnership-998213082766
That is, soon Cocos-BCX tokens will be added to MathWallet?
Is MathWallet a hardware or web wallet?
I think this is unlikely. Most likely, the MathWallet team will advise the Cocos-BCX project.
The most important thing that partners give is their experience
Apparently, the MathWallet team has cybersecurity experts, since cryptocurrency wallets should be as secure as possible.
These people can give advice on Cocos pay.
It is important to understand how the new partners will benefit from the project.
I think that after the launch of the main network, the Cocos-BCX token will actively increase in price
I do not think that partners plan to profit from the partnership.
The main goal of such partnerships is the exchange of experience and advice on the development of the project