What do you mean by "thousands of little contracts"? I haven't looked at Tornado's source code too much, it's entirely possible there are additional contracts c

What do you mean by "thousands of little contracts"? I haven't looked at Tornado's source code too much, it's entirely possible there are additional contracts created by their contracts as part of the protocol, but this would be pretty unusual. Usually a smart contract protocol is a set of contracts working together, deployed to the blockchain, which provide application logic that executes regardless of who is interacting with it (via "transactions")