COINiD is a bundle of apps; the COINiD Wallet and the COINiD Vault. For many mobile wallets, there is one application you need to download, so why do we have two? What is the purpose of the COINiD Vault, and how does it work together with the wallet? If you have read our previous articles on hot and cold storage, you might have learnt when the different apps are used and when they integrate. Nevertheless, following is a more specific description of the purpose of the two applications.