In a private business Blockchain, transactions are endorsed by______________.
only relevant business participants
only the smart contract developer
all the nodes on the Blockchain
all participants with access to the network
References:
Blockchain has more built-in security than a standard database.
True
False
How would a developer make a change to Blockchain protocol?
There are no restrictions, a developer could just change the code
A developer would need to initiate a hard fork
There is no way to change Blockchain protocol
change the orderer configuration
None of the above
The cryptocurrency Bitcoin is__________.
another application that runs on a Blockchain
the same as all other cryptocurrencies
replacing bartering in many parts of the world
a replacement currency for the U.S. dollar