You can store your Mina Protocol in the free multi-coin digital personal crypto wallet that you receive when you sign up for an account with Cointree.
Within your multi-coin wallet, you can store Mina Protocol and hundreds of other crypto assets listed on our exchange in your own wallet, such as popular long-term investments bitcoin and Ethereum.
Alternatively, you can store your Mina Protocol in an external wallet such as a Ledger.