Useful link about altcoin price: https://coinmarketcap.com
Same question here. So that we will know that this is legit.
Absolutely correct.
Anyway if I have the 2 BTC in my wallet address I will try to lend this. This collateral or these altcoins are called ETH smart contract that has a good potential to make a profit in the future. Sorry to say that I don't have that amount of bitcoin.
Try to post on this thread: https://bitcointalksearch.org/topic/zazarbs-quick-loans-escrow-1161170 (Zazarb Lending Thread) AFAIK He accepts this kind of collateral.