Free Blockchain CBSP Exam Questions

In which blockchain consensus algorithm does a user pay (give up coin forever) to participate in consensus?

Quantum computers threaten traditional cryptography because they provide polynomial solutions to mathematically "hard" problems

Properly encrypted data stored in the distributed ledger adequately protects data in both the short-term and the long-term

A major advantage of a stale channel is that it provides a permanent means of transferring value between two parties.

From a business perspective, which of me following is the major consideration regarding the use of smart contract technology?