I don't see any urgent interest if this kind of product will be launched in the market, why don't we just keep our crypto funds in a wallet that we do have and are not subject to interest and will generate added value if there is an increase in the value of the crypto deposited.
even if you need why it should be borne by them, it is better to clearly sell it directly into fiat and use it immediately, I think it still needs a more detailed explanation of the advantages and disadvantages of the method offered because it is clear that two different sides are used as one container.