23 A blockchain: O a. is a distributed ledger on a peer to peer network b. is a type of cryptocurrency c. is a centralized ledger O d. can be used to create "Smart Contracts" O Both a and b are correct O Both a and d are correct Both a and c are correct Question 24 Each block in a blockchain consists of: O a. Transaction data O b. A Hash Point c. Time Stamp d. Both a and b O e. All a, b and c 2 pts 2 pts