Cryptocurrency concepts
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Questions and Answers

Which of the following scenarios best illustrates impermanent loss in the context of decentralized finance (DeFi)?

  • A whale sells off a significant amount of a meme coin, causing the value of the liquidity pool to drop, and then initiates a rug pull.
  • A trader experiences a loss due to a sudden drop in the price of Bitcoin (BTC) on a centralized exchange (CEX).
  • A user stakes Ethereum (ETH) and its value decreases relative to the other asset in the liquidity pool, resulting in a lower value than if they had simply HODLed. (correct)
  • A liquidity provider (LP) in a decentralized exchange (DEX) experiences reduced returns because of a flash loan attack.

A 51% attack on a blockchain network is practically impossible to execute on networks like Bitcoin due to the immense computational power required.

False (B)

Explain the role of oracles in the context of smart contracts, specifically relating to decentralized finance (DeFi).

Oracles provide real-world data to smart contracts, enabling them to execute actions based on external information such weather data, price feeds, or event outcomes.

________ are cryptocurrencies whose value is pegged to a stable asset, such as the U.S. dollar, to mitigate price volatility.

<p>Stablecoins</p> Signup and view all the answers

Match the following consensus mechanisms with their primary characteristics:

<p>Proof of Work (PoW) = Relies on miners solving complex cryptographic puzzles to validate transactions. Proof of Stake (PoS) = Validators are chosen based on the number of tokens they hold and are willing to 'stake'. Delegated Proof of Stake (DPoS) = Token holders vote for delegates to validate transactions and secure the network.</p> Signup and view all the answers

Which of the following statements best describes the primary function of wrapped tokens, such as Wrapped Bitcoin (WBTC)?

<p>Wrapped tokens enable the use of non-native assets on different blockchain networks, enhancing interoperability. (C)</p> Signup and view all the answers

Burning tokens increases their supply, aiming to decrease the value of each token.

<p>False (B)</p> Signup and view all the answers

Explain how Layer-2 solutions enhance the scalability of blockchain networks like Ethereum (ETH).

<p>Layer-2 solutions process transactions off the main chain, bundling them before submitting them to the main chain. This reduces congestion, lowers gas fees, and increases transaction throughput.</p> Signup and view all the answers

A ________ is a type of cyberattack that exploits vulnerabilities in smart contracts to manipulate prices and borrow assets without proper collateral, often resulting in significant financial losses.

<p>Flash Loan Attack</p> Signup and view all the answers

How do Zero-Knowledge Proofs (ZKPs) enhance privacy and security in blockchain transactions?

<p>By allowing one party to prove to another that a statement is true without revealing any information beyond the validity of the statement itself. (A)</p> Signup and view all the answers

Flashcards

Centralized Exchange (CEX)

A platform where buyers and sellers trade cryptocurrencies, operated by a central authority.

Order Book

A list of buy and sell orders for a specific cryptocurrency, showing the prices and quantities.

Liquidity Providers (LPs)

Entities that provide liquidity to exchanges by placing orders, ensuring smooth trading.

Market Cap

The total value of a cryptocurrency, calculated by multiplying the current price by the circulating supply.

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Liquidity Pool (LP)

A pool of cryptocurrencies locked in a smart contract to facilitate trading and lending.

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Staking/Yield Farming

Earning rewards by locking up crypto assets, either through staking or yield farming.

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Stablecoins

Cryptocurrencies designed to maintain a stable value, often pegged to a real-world asset like the US dollar.

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Tokenomics

The economics of a cryptocurrency, including its supply, distribution, and incentives.

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Altcoins

Any cryptocurrency other than Bitcoin.

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Wallet (Hot/Cold)

Tool used to store, send and receive cryptocurrencies. Hot wallets are online; cold wallets are offline.

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Study Notes

  • Centralized Exchange (CEX) refers to a third-party platform that facilitates the buying and selling of cryptocurrencies.
  • Order Book is an electronic list of buy and sell orders for a specific cryptocurrency on an exchange.
  • Liquidity Providers (LPs) are users who provide liquidity to decentralized exchanges.
  • Market Cap represents the total value of a cryptocurrency, calculated by multiplying the current price by the circulating supply.
  • Liquidity Pool (LP) is a collection of funds locked in a smart contract to facilitate trading on decentralized exchanges.
  • Staking involves holding cryptocurrencies to support the operations of a blockchain network and earn rewards.
  • Yield Farming is a strategy to maximize returns by staking or lending crypto assets across different DeFi platforms.
  • Stablecoins designed to maintain a stable value relative to a reference asset, such as the US dollar.
  • Tokenomics studies the economics of a cryptocurrency, including its supply, distribution, and incentives.
  • Altcoins are any cryptocurrencies other than Bitcoin.
  • A Wallet is a digital tool used to store, send, and receive cryptocurrencies.
    • Hot wallets are connected to the internet.
    • Cold wallets are offline.
  • Public and Private Keys are cryptographic keys that enable users to securely send, receive, and control their cryptocurrencies.
  • Gas Fees are transaction fees paid to miners or validators on a blockchain network.
  • Bitcoin (BTC) is the first and most well-known decentralised cryptocurrency.
  • Ethereum (ETH) is a blockchain platform that enables the creation of decentralised applications (dApps) and smart contracts.
  • Binance Smart Chain (BSC) is a blockchain platform developed by Binance for running smart contract-based applications.
  • Solana (SOL) is a high-performance blockchain platform known for its fast transaction speeds and scalability.
  • Polygon (MATIC) is a layer-2 scaling solution for Ethereum.
  • Cardano (ADA) is a proof-of-stake blockchain platform with a focus on sustainability and scalability.
  • XRP (Ripple) is a cryptocurrency and payment network designed to facilitate cross-border payments.
  • HODL is a term used in the cryptocurrency community for holding onto cryptocurrencies despite price volatility.
  • FOMO (Fear of Missing Out) is the anxiety of missing out on a potential investment opportunity.
  • FUD (Fear, Uncertainty, Doubt) is disinformation spread to instil fear and doubt.
  • Proof of Work (PoW) is a consensus mechanism where miners solve complex computational problems to validate transactions and create new blocks.
  • Proof of Stake (PoS) is a consensus mechanism where validators stake their cryptocurrencies to validate transactions and create new blocks.
  • Decentralized Exchange (DEX) is a cryptocurrency exchange that operates without a central authority.
  • Blockchain is a decentralised, distributed ledger technology that records transactions across many computers.
  • Non-Fungible Tokens (NFTs) are unique digital assets that represent ownership of items.
  • Decentralized Finance (DeFi) refers to financial applications built on blockchain technology.
  • Initial Coin Offering (ICO) is a way to raise capital by selling cryptocurrencies.
  • A Whale is an individual or entity that holds a large amount of a cryptocurrency.
  • Satoshi is the smallest unit of Bitcoin.
  • Mining Pools are groups of miners who combine their resources to increase their chances of mining blocks and sharing the rewards.
  • Rug Pull is a scam where developers abandon a project and run away with investors' money.
  • DAO (Decentralized Autonomous Organization) is a community-led entity with rules encoded on a blockchain.
  • Airdrop is the distribution of free tokens to a large number of wallet addresses.
  • Flash Loan Attack exploits vulnerabilities in DeFi protocols using flash loans.
  • Impermanent Loss is the temporary loss of funds experienced by liquidity providers due to price volatility in a liquidity pool.
  • 51% Attack is when a single entity gains control of more than 50% of a blockchain's mining or staking power.
  • Wrapped Tokens (e.g., WBTC) are tokens that represent another cryptocurrency on a different blockchain.
  • ERC-20 Token Standard is a technical standard for creating tokens on the Ethereum blockchain.
  • Meme Coins (e.g., Dogecoin, Shiba Inu) are cryptocurrencies that originated as internet memes.
  • Sharding is a database partitioning technique used to improve the scalability of blockchain networks.
  • Cross-Chain Bridges enable the transfer of assets and data between different blockchain networks.
  • Smart Contracts are self-executing contracts written in code and stored on a blockchain.
  • Layer 2 Solutions are scaling solutions that improve the transaction speed and reduce the transaction costs.
  • Oracles are entities that provide real-world data to smart contracts on a blockchain.
  • Multisig Wallets are wallets that require multiple signatures for transactions.
  • Burning Tokens is the process of permanently removing tokens from circulation.
  • Zero-Knowledge Proofs (ZKP) are cryptographic methods that allow one party to prove to another.
  • Play-to-Earn (P2E) is a model where players can earn rewards by playing blockchain games.
  • Metaverse is a shared, immersive digital world.
  • CryptoPunks are one of the earliest examples of NFTs on the Ethereum blockchain.
  • Web3 is the idea of a new iteration of the internet that is decentralized.
  • Normies is a slang term for people who have little to no knowledge about crypto.
  • Degen is slang for a cryptocurrency enthusiast.
  • Decentralized Identity (DID) is a self-sovereign digital identity.
  • Hash Rate is the computational power used to mine or validate transactions on a blockchain network.
  • Decentralized Autonomous Organization (DAO) is a community-led entity with rules encoded on a blockchain.

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Explanation of cryptocurrency concepts: Centralized Exchange (CEX), Order Book, Liquidity Providers (LPs), Market Cap, Liquidity Pool (LP). Staking and Yield Farming and Stablecoins are also explained, including tokenomics.

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