$ git clone https://github.com/IntelLedger/sawtooth-core.git  
$ cd sawtooth-core/tools
$ vagrant up 
$ vagrant halt  
$ vagrant destroy  
$ vagrant ssh  
$ /project/sawtooth-core/bin/build_all  
$ /project/sawtooth-core/docs/source/tutorial/genesis.sh  
$ cd /project/saw-toothcore  
$ ./bin/txnvalidator -v -F ledger.transaction.integer_key --config
/home/ubuntu/sawtooth/v0.json  
./bin/sawtooth keygen --key-dir validator/keys mkt 
$ git clone https://github.com/corda/corda.git  