Bip39 hardware wallet https://papaly.com/1/eMEf As it is possible to see, these are generally standard words which might be easy to retailer or remember. It is far from recommended to keep in mind them, but it's considerably much easier than remembering a 64-character-lengthy string of random numbers and letters. BitBox02 - https://telegra.ph/Producing-Custom-Bitcoin-Addresses-A-Take-A-Look-At-BIP39-Strategies-06-28