With the rapidly changing landscape of finances in the digital age, protection of one's assets is equally crucial as their ownership. As more and more cryptocurrencies are entering the mainstream, users' digital asset storage, their availability, and security became priority items on the agenda. Out of all devices for storing, non-custodial wallets are one of the safest and freest devices for owners of crypto. Information about who they are, how they operate, and why they are needed is critical for every individual seeking to enhance their crypto security and have full control of their investment.