What's that SHA256 hash for?
Nothing special, only for proof of ownership.
Whom you are using as an escrow..?
Anyone from the
Escrow list.
So if i choose an escrow from the list how it is going to work..! I guess I'll send money to Escrow then you send me the secret than i use the secret and when i earn 0.3btc i'll ask Escrow to Release BTC to your acc.