When creating a wallet or a cryptocurrency exchange account, you need to use a very secure password. It can be a combination of numbers, uppercase, and lowercase letters, symbols, etc. You can also use online password generators for getting a secure password. Passwords Generator is one such online password generator that helps in the instant creation of secure, random passwords. The password must be stored in a safe place. The best thing to do would be to store it offline or on a piece of paper.