none of these goods can be valid collateral.
Any accounts can't be considered as valid collateral. "Unlimited" hosting, subscription to it will expire one day, that’s not reason enough for the lender to be sure you’ll return the money to save your hosting package.
Cryptotalk forum account is related to your Yobit account, so probably no one can use it for the paid posting without your Yobit account to claim rewards.
If you already Sr. Member with a good reputation on cryptotalk as you say, why you do not try to ask for a loan there? 100 followers trust you, maybe they will give you a loan without collateral.