Biggest is over 500 BTC. As stated on the site (
https://eli5.eu/brainwallet/detail/14NWDXkQwcGN1Pd9fboL8npVynD5SfyJAE.html):
General InformationThe passhrase below was used as a Brainwallet to generate the given address.
BTC Address: 14NWDXkQwcGN1Pd9fboL8npVynD5SfyJAE
Used passphrase: bitcoin is awesome
Total transactions: 19
Amount received: 501.06500863 BTC
Amount spent: 501.06500863 BTC
ProofYou can check the private key is indeed known by verifying the following signed message when running your own node:
bitcoin-cli verifymessage "14NWDXkQwcGN1Pd9fboL8npVynD5SfyJAE" "HBi3IJsPku4lbbxJo3KAbghdPUKkpcCkg0E6VqHBDLGoEXvzdcUqI3MLA1bvoe4IcTcB5V4IL+l5XB7YLIchg7E=" "By using a weak brainwallet the private key for address 14NWDXkQwcGN1Pd9fboL8npVynD5SfyJAE has been compromised."