# Gavin Andresen # 2012-08-22 21:53:44 # https://bitcointalk.org/index.php?topic=102349.msg1124573#msg1124573 RE: seeds with a lot of entropy: @p{par} Every time I look at the academic literature on passwords/passphrases, I get more depressed about the feasibility of either giving users a secure passphrase that they will remember or getting a secure passphrase from them. I fear there will be a lot of lost coins if "brain wallets" get popular. @p{par} E.g. this 2012 paper: @s{(link)} @p{brk} @s{quotedtext} @s{quotedtext}