Not a chance they would sell it at a public auction if that was the case. The whole point of blackmail is to keep the info secret not publicly announce to the world what you have. The second that announcement went out you now have thousands of would be burglars targeting your residence. Any attempts at blackmailing anyone in that book would be met with laughter and hundreds of shills to discredit you. If you wanted to blackmail you would show the person their names in the book keeping yourself anonymous and then threatening to publicly release the names yourself worldwide, not selling it to someone who MIGHT release the info.
Not a chance they would sell it at a public auction if that was the case. The whole point of blackmail is to keep the info secret not publicly announce to the world what you have. The second that announcement went out you now have thousands of would be burglars targeting your residence. Any attempts at blackmailing anyone in that book would be met with laughter and hundreds of shills to discredit you. If you wanted to blackmail you would show the person their names in the book keeping yourself anonymous and then threatening to publicly release the names yourself worldwide, not selling it to someone who MIGHT release the info.