Revert "No bigchaindb start needed"
Revert "No bigchaindb start needed"

This reverts commit a58c68f82ea863ea2051b675df49608dabe82d74.

kaattt/BlockchainExperiments,kacperzuk/BlockchainExperiments,kacperzuk/BlockchainExperiments,kaattt/BlockchainExperiments