Ironic isn't it? The most useful service and (... no seeds, no stems, no sticks))) nobody knows nothing about the way they operate. They gotta use something to generate btc wallet addresses for the registered users aren't they?
WE don't need to know because THEY control everything (private keys, generation of new keys,...) not the users. even if you had their entire source code it still wouldn't be useful to you because at the end of the day you still don't have anything from the account you have to use that information with.