Best altcoin collateral for loan

[abstream]

Just created a poll about loan collaterals, liquid alt coins shall be the best choice.
But...which ones are the most liquid? What shall be the % of loan that shall be considered against the collateral value?
I thought that you guys have some knowledge to share so my post here is relevant, please vote and comment on the lending forum:

https://bitcointalk.org/index.php?topic=925961.0