The gas price is a value set by the creator of the blockchain transaction? (Select best answer.)
R3 Corda does not organize time into blocks. What does Corda actually perform and use?
Contracts live on the blockchain in an Ethereum-specific binary format called _____________?
Bitcoin uses what proof of work consensus system?
An _____________ is a well-known service that signs transactions if they state a fact and that fact is considered to be true. They may optionally also provide the facts.
SHA-1 is the most commonly used SHA algorithm, and produces a ______-byte hash value(size).
