As you can read here Adam Back and Gregory Maxwell pgp signed to escrow the funds for the release of the identity of the Bitfinex hacker.
https://pastebin.com/6tD8mfZY
https://supload.com/ryctbuzLl
They were both
intimately involved with this process which is yet another huge red flag that Blockstream is in bed with Bitfinex. Later it turns out they NEVER released the funds to the person