Quote from: djarot on August 28, 2014, 12:47:49 PM

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If created properly, brain wallets are much better then trying to memorize your private key. If you are memorizing your private key then you must leave your key in some exposed format while you are trying to memorize it. In order for you to see it while memorizing the key it will need to somehow be out in the open. There is also a good chance that you would forget it after some amount of time after not using it. How many times have you forgotten a password that you used to a certain site and had to reset it? Probably a lot.

yes, and to my mind memorizing would be the easy part... typing it out without mistake would really cause an issue and finding the error and not doubting yourself! aha definitely never worthwhile practice!

While you are typing your private key, you would be vulnerable to attacks. If you somehow mistyped it and are trying to figure it out then an attacker knows that some private key that is close to the one you are typing has some amount of bitcoin and could try to use some automated means to find the "correct" private key.