I think your offer is a scam , their is no detail about what is this offer and from whom it is organized. the link goes to some scam site and just a simple details are their,
Be carefull guys dont just jump and register it, like this offer mostly are to hack your account and get your login details , so that they can hack into your account when you register they will use your login details , as most of them use the same username and password.
You are correct that this type of offers are to collect the details about the user and then claim the same details and hack the account in this fourm and then sell them and like this they start to do scam.
Thanks for the information on this offer.