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Flashcards in Byzantine Generals Problem Deck (11):

What is Blockchain

A tamper-proof*, shared digital ledger that records transactions in a decentralized peer-to-peer network. The permanent recording of transactions in the Blockchain stores permanently the history of
asset exchanges that take place between the peers(participants) in the network.


What is a Ledger?

A complete record for a business's economic activities, usually used to keep track of transfer of money and transfer of asset ownership.


Why is the role or use of a ledger

Ledgers are used to record economic
activities and prove the ownership and the
transfer of the value of assets among various
stakeholders such as consumers, suppliers,
producers and market makers. Assets in a ledger could be money, stock certificates,cars, houses


Centralized Ledgers are not perfect because

Gatekeepers are not always trustworthy,


Examples of centralized ledgers

your bank account, credit card transactions, hotel reservations, Citizenship records, academic degrees, medical records


What is a central authorities areas of weakness (

Corruption, Inclusion, Technical Failures


characteristics of the Byzantine Generals’ Problem?

Fault Tolerance?


Which of the following is true of miners in the bitcoin ecosystem? Select all that apply

They are economically motivated
They earn transaction fees when successful


What is the current rate of bitcoin

The current rate of rewards is 12.5 bitcoins per block. Given that blocks are produced on average every 10 minutes, the correct answer is approximately 1,800.


When two miners confirm blocks at about the same time, what happens?

The blockchain will continue on top of only one of the blocks which enhances the greatest difficulty


WHat is the Bitcoin networks main functionality

It is used to track the ownership of bitcoins, It can be used to represent and transfer a wide range of digital assets