You don't need to memorize your wallet seeds, just your own created passphrase
Use this site to create an alias for your seed. Define a passphrase which are familiar and can always remember. The passphrase will be used the encrypt and decypt your seed.
After seed encryption, you should save the encrypted seeds to a file and store it anywhere.
OBS: You should keep the passphrase secret, it's recomended that you do not write it down. It should be a sentense that you will never forget, so keep in your mind.
OBS2: To reforce the strength of your encrypted seed you could change one or more digits of the encrypted seed. Just remember to rever these changes before the decryption attempt, otherwise it will fail.
CAUTION: If you share the information generated by this page with anyone, they can steal your assets. Anyone asking you to share your secret passphrase or your seed is a scammer. Do NOT copy & paste information from this page or send it to anyone offering to help you on Twitter, Discord, Telegram, Etherscan, or Line. They will steal your coins.
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