What you might be refering to is a wallet which holds private keys for multiple cryptos derived from one seed. This is possible. And it does exist. Exodus (
https://www.exodus.io/) is such a wallet.
But note that quite a few people have connection issues when using exodus. It also just had a vulnerability discovered which allowed an attacker to dump the private keys out of the RAM once the wallet was opened. I am not sure about which versions are affected.
im pretty sure it could be either spectre or meltdown i forgot which is it, both of them are really dangerous antivirus wont be able to find them you wouldn't even know that you got attacked if you do get attack once you check your bank account its already empty. its not the version its the cpu not all cpu's are affected by this even on phones this threat exist.