Helping Hand Questions for CBDH

In Hyperledger Fabric Composer, what testing tools are available?

Orderers are responsible for all of the following except one:

Hyperledger Fabric includes a ____________-based service for ordering and broadcasting network transactions. This service also provides crash fault tolerance to your network; meaning that if an accepted number of ordering service nodes are unavailable, the service continues to order and distribute blocks of transactions to channel peers.

What is the service based on?

One essential element of blockchain technology is the availability of cryptocurrency that can be used as value token on the DLT platform.