The guide isn't available for free, in fact, it was being sold for Bitcoins on a deep web marketplace.
Bitcoin is cryptographic currency favoured by criminals as it allows semi-anonymous online transactions.
The 412 million accounts go back 20 years, it says, and the lion's share comes from Adult Friend Finder — almost 340 million.
Dating sites are, thankfully, getting better at spotting who is using their service to send thousands of spam messages.The documents are often sold for small amounts of money, but the price barrier, the need to pay with Bitcoin, and the fact that they're only available on the deep web prevents the guides from being circulated widely.The document, titled Adhrann's Updated Dating Scam 2014, lays out a method for creating fake dating site profiles, ensnaring men in conversation, and then pressuring them to send money.Some premium dating sites eventually need new male and female members, even free members, in order to expand their member base and get some fresh faces.We have partnered with them to make this offer possible - Now you can get free dating accounts with all of participating premium dating sites within seconds!
Business Insider obtained a PDF guide that is sold online for just £2.59.