Good afternoon, I am new here and I am taking the beginner course and I have a question that I have not been able to answer, although I know it is the 3rd one. but it still tells me to try again🥴
What are the differences between the consensus mechanisms Proof of Work and Proof of Stake? Select all options that apply.
a) Proof of Work is secure while Proof of Stake is not.
b) Proof of Work requires expensive equipment and has high energy costs, while Proof of Stake does not.
c) Proof of Stake selects validators pseudo-randomly, while with Proof of Work nodes compete to solve a block.
d) Proof of Stake requires validators to hold and stake the native cryptocurrency, while Proof of Work does not.
