As soon as one starts investing in cryptocurrencies, they need a secure wallet backed by a trustworthy company. Some of the widely used wallets of 2021 are: 1. Exodus: It protects the massive variety of cryptocurrencies and has no purchase cost. It is the best one for beginners. 2. Mycelium: It provides customizable transaction fees and has appreciable security amongst similar free wallets. 3. Ledger Nano S: It is a hardware wallet providing cold storage. 4. Trezor Model T: This one has the best reviews among hardware wallets and has a built-in exchange facility.