Off-topic I know, but this seems to me to be a complete myth.
Chosen at random from my old Longman's Dictionary (pages opened at random)...deform lockage sedate daunt captive
The dictionary has 70,000 words:
70,000^5 = ~ 2*10^24
Try brute-forcing that
Chosen at random from my old Longman's Dictionary (pages opened at random)...deform lockage sedate daunt captive
The dictionary has 70,000 words:
70,000^5 = ~ 2*10^24
Try brute-forcing that
As long as you have enough entropy, I do agree brain wallets are perfectly fine. The reason why many people including myself advise against it is that in general people are too lazy to properly choose random words instead substituting them for words they believe to be random or ones from famous films/songs/poems et al.