Xcore Cryptocurrency Final
Countries in the Bretton Woods system agreed to keep their currencies fixed to the dollar, and the dollar was fixed to gold at _____ per ounce?
$35
What year was the Bitcoin whitepaper initially posted to a public forum?
2008
What is the total number of bitcoins that will ever be created?
21 million
Nearly ____% of central banks are actively engaging in and exploring CBDCs, including the U.S. Federal Reserve.
90
What was the title of the Ethereum white paper?
A Next-Generation Smart Contract and Decentralized Application Platform
Generally Accepted
Accepted by a large enough set of people and suppliers
The Ethereum genesis block launched before or after the Bitcoin genesis block?
After
Unit of Account
Agreed-upon measure of the value of goods and services
Nonce
An input in the computation that is used to alter the hash of a block
Which three standards relate to compliance and national security concerns?
Anti-money laundering (AML), Know-your-customer (KYC), and Combating the financing of terrorism (CFT)
Commodities
Anything from cattle to yams to rice to whatever else might be seen as valuable within a community.
In the context of blockchains, a _____ allows independent protocols to communicate with each other.
Bridge
Divisibility
Can be divided easily so that we can buy different products at different values
Portability
Can be easily transported from one place to another
Durability
Can be used over and over again to settle many transactions
_____ use Web3 technology and rapidly evolving governance and incentive systems to distribute decision-making and financial rewards to members of the community.
DAOs
What are the 3 components of the blockchain trilemma? (Select all that apply.)
Decentralization, Scalability, and Security
______ can operate with order books to match trades, or they can utilize a form of the AMM approach, known as automated market makers.
Decentralized exchanges
____ is the token standard on Ethereum for fungible tokens, while ____ is the token standard on Ethereum for non-fungible tokens.
ERC-20, ERC-721
Uniformity
Each unit is the same size and shape (physical currency)
Non-custodial
Enables you to control your private keys yourself, rather than delegating the job of securing the keys to a third party
Coinage began around 600 BC, when the first coin was minted by a King of Lydia (which is modern day Syria)?
False
What are the three types of stablecoins? (Select all that apply.)
Fiat-collateralized, Crypto-collateralized, and Algorithmic non-collateralized
Which EO priority does this statistic relate to? - "There are ~1.7 billion people around the world who are unbanked with an additional ~1.3 billion who are under-banked."
Financial Inclusion
Which CBDC type leverages private sector innovation (i.e. stablecoins) with public sector safety and soundness standards (i.e. backed by central bank reserve deposits)?
Hybrid CBDCs
In terms of the blockchain trilemma, what were the primary solutions presented in the training? Select all that apply.
Layer 1s, Layer 2s, and Interoperability
______ refers to a protocol that operates on top of an underlying Layer 1 blockchain to improve its scalability.
Layer 2s
Scarcity
Limited supply, thereby giving it value
Select all of the factors limiting Bitcoin's scalability.
Limited to about 1 MB of data, Only fits around 2000 transactions, and Block confirmation time
Lower gas fee
Lower EVM computational effort to process transaction
What is M2?
M1 + savings deposits and small time deposits, money market funds, and other deposits.
Store of Value
Maintain price stability tomorrow, next week, or even next year
Double-Spending
Making two payments with the same currency or funds in order to deceive the recipient
The ________ is a set of interconnected, experiential, 3D virtual worlds, powered by blockchain technology.
Metaverse
Higher gas fee
More EVM computational effort to process transaction
The "Crypto Wars" of the 1950's involved what intelligence agency?
NSA
What Act established a uniform national currency that had to be backed by the U.S. Treasury?
National Banking Act
Are credit cards money?
No, credit cards fail to meet the store-of-value criterion and are therefore not money. They are short-term
Which most accurately describes traits in Decentralized Finance - DeFi?
Open-source and composable
Who released an Executive Order on Ensuring Responsible Development of Digital Assets?
President Biden and the White House
_____ relies on participants' staked coin supply to assign validation rights and drive consensus, while _____ relies on brute force computational power.
Proof-of-stake, Proof-of-work
Web2
Read and Write
Web1
Read only
Web3
Read, Write, and Own
What described a "promissory note"?
Recorded how many coins a person had deposited with the merchant
Hashes
Results of a mathematical function that takes a random input and results in a unique output
Which three CBDC types were highlighted in the Policy & Regulation course?
Retail CBDCs, Wholesale CBDCs, and Hybrid CBDCs
NFTs can automatically trigger and execute ______ payments to the identified creator each time an NFT is sold or changes hands in the secondary market.
Royalty
Who was Bitcoin created by?
Satoshi Nakamoto
Collectibles
Small, homogenous items such as shells, beads, teeth, and so on
Traditional intermediaries are being replaced by _______ that execute transactions autonomously.
Smart contracts
_____ employs a parallel transaction processing engine, called Sealevel, which allows the network to process thousands of smart contract calls all at once.
Solana
Ethereum's primary programming language used to write smart contracts is ______?
Solidity
The President's Working Group (PWG) report outlined what three stablecoin risks?
Stablecoin runs, Payment system risks, and Scaling risks
The President's Working Group (PWG) report was released to identify regulatory gaps related to _______?
Stablecoins
What are the common components of Decentralized Finance - DeFi? (Select all that apply.)
Stablecoins, Borrowing/lending protocols, and Decentralized exchanges
What are some of the different types of Layer 2s? (Select all that apply.)
State channels, Optimistic Rollups, and Zero-knowledge Rollups
____ was the label for the process of Ethereum's transition from proof-of-work consensus to proof-of-stake consensus.
The Merge
Ether (ETH)
The cryptocurrency used to pay transaction fees on the network
Paper Money
The evolution of promissory notes to banknotes
What did the Federal Reserve Act of 1913 establish?
The first U.S. central bank
Custodial
The keys in your crypto wallet are controlled by a third-party entity
Ethereum
The programmable smart contract blockchain
Consensus
The way the Bitcoin protocol agrees on how its underlying technical architecture will operate
Fungible tokens
There is no difference between one unit and another unit. They can be exchanged for one another at the same value..
SHA-256
They type of hashing algorithm that Bitcoin uses
What is barter?
Trading/exchanging of goods and services without the use of money
A crypto wallet holds the access to your funds, but not the actual funds. The actual funds live on the blockchain.
True
The "crypto" in cryptocurrency refers to cryptography, or the process of encryption and decryption?
True
Metals
Two precious items such as gold and silver
Which EO priority addresses concerns related to preserving the dollar's role as the leading reserve currency?
U.S. Leadership in the Global Financial System & Economic Competitiveness
Non-fungible tokens
Used to represent ownership of unique items, either digital or real-world items. They can not be exchanged for one another at the same value.
Medium of exchange
Used to trade goods and services
Miners
Validate transactions by using computational equipment to solve a mathematical puzzle
Who was Ethereum created by?
Vitalik Buterin
Which internet phases are decentralized?
Web1 and Web3
The "free banking" era was a period between 1837 - 1862 in the U.S., also known as?
Wildcat banking era
Scalability
a blockchain's ability to process transactions more efficiently and expand as adoption increases over time
What is money?
anything that serves as a medium of exchange, a unit of account, and a store of value
What are characteristics of Good Ledgers?
consistency, immutable, timestamped, ownership, accuracy, and comprehensive
Decentralization
control and governance shifting from one central entity to automated smart contracts and nodes connected to a cryptocurrency network
P-Chain
coordinates validators on the network
What is M1?
currency and checkable deposits M1=currency + checkable deposits
C-Chain
executes EVM smart contracts
Inflation is the rate at which the value of a currency is ____ and, consequently, the general level of prices for goods and services is ____?
falling, rising
X-Chain
handles the creation and exchange of assets
What is fiat money?
inconvertible paper money made legal tender by a government decree.
As a layer 0, match the two primary components of the Polkadot network. Parachain
independent blockchains that run in parallel with each other
As a layer 0, match the two primary components of the Polkadot network. Relay chain
network's central chain that provides security, consensus, and interoperability to the entire network
Security
protecting a blockchain's immutability as blocks continue to be appended to the chain
Complete the sentence. Decentralized governance enables protocols to:
provide enduring value as open financial infrastructure
The ____ key acts as the "account number" and the ____ key acts as the "password" within your crypto wallet.
public, private
