What is the Sawtooth Lake Distributed Ledger?; staff; Hyperledger; undated.
tl;dr → it’s blockchain code running inside Intel® Software Guard Extensions® (SGX) enclave.
What’s an enclave? It’s a computer-within-the-computer because we can’t trust the computer any more; it having been hacked by powers foreign and domestic. Whereupon the computer-inside-the-Intel-inside being made of The Unhackable, we are safe.