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Exam Questions - Cryptocurrencies And Blockchain Applications Correct 100%
NewExplain and illustrate the difference between an accounting based ledger and the transaction based ledger used by the bitcoin network? - ANSWERAn answer 
 
What are the key characteristics of a hash function? - ANSWER 
 
What is the role of hash-pointers linking the different blocks of the blockchain? - ANSWER 
 
Why are the bitcoins now lost? - ANSWER 
 
Remember our definition of a commitment. In pseudo-code it works as follows: 
com := commit(msg, nonce) 
 
Verify (com,msg,nonce) is a functi...