References
[1] https://www.hyperledger.org/projects/sawtooth [2] https://github.com/hyperledger/sawtooth-core [3] https://github.com/hyperledger/sawtooth-supply-chain. [4] http://hyperledger.org/community [5] http://lists.hyperledger.org/ [6] https://chat.hyperledger.org/sawtooth