Unlikely that any ICO used as escrow mechanism we are offering: escrow both in crypto and fiat (if selected by ICO issuers to avoid FX exposure). Besides, the release mechanism we are building doesn't really make us a middleman. Backers will be voting on ICO issuer's milestone performance.
Escrow could have been done on a multisig wallet basis but that's not really an escrow from many perspectives, including personal safety of a signatory - someone holding a key to, say, a $10m escrow wallet may prefer to keep his identity hidden from the community. That creates a different risk - colluding and running away with money.