What describes proof of work as it is used in a blockchain technology?
- a key used to authenticate the individual who created a message
- a process to validate transactions between blocks
- an algorithm calculated by computers that is used to create the link between blocks
- a mathematical scheme for authenticating digital information
Explanation: Proof of work is a process to validate transactions between blocks.
Exam with this question: IoT Security 1.1 Chapter 6 Quiz Answers
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