Multiple accounts in Oisy

[hersheylasers]

Is your feature request related to a problem? Please describe.
I'm looking to build on top of Oisy. A key feature is the ability to have multiple 'Accounts' by leveraging subaccounts within a Principal. Curious to get input compared to the roadmap.

Describe the solution you'd like
Let me start by saying this is amazing wallet and I see a lot of potential. I have been brainstorming a large project with Oisy at the core, to bring user friendly wallets to everyone. One of the core features that I would like to develop is the ability to have multiple wallets within one Oisy login account. As I understand it, within ICP, it is possible to have multiple subaccounts for each principal. So it should be possible for an ICP principal to have multiple accounts in a single app.

In addition, I would like each account to be a 'chain fusion' account, such that each one can hold Bitcoin and Ethereum at different addresses. As I understand, the Bitcoin and Ethereum addresses are derived using eth_address_of and ecdsa_pubkey_of which uses the Principal as input. Would it be possible to have this accept Principal + subaccount to make a new address per subaccount?

Describe alternatives you've considered
Personally, I am not a Rust developer so it is difficult to contribute directly. I would like to like to help this idea into fruition however so I want to hear about the feasibility of this idea and see if a Dfinity grant around this has potential. If so, I will put together a full grant proposal.

[bitdivine]

Purely from the technical perspective, yes, this is possible. And planned (at least, in the chain fusion signer). But when we will add subaccounts I do not know. Our roadmap is very full for the next month, at least. Beyond that it's a scheduling decision.