Get to know the building blocks of a new economy
The promise of decentralized finance (De Fi for those up on their financial lingo) as a disruptor to financial institutions makes it must-know for anyone involved in finance. De Fi For Dummies provides an easy-to-understand option for unraveling the past, present, and future of De Fi. Understand current De Fi applications, including how to build basic applications on the leading platforms, and get a look into the future’s most promising new De Fi solutions. Staying ahead of the game is critical for finance professionals these days, and this Dummies guide makes it possible, with full coverage of how De Fi affects asset management, lending and borrowing, and investment markets. Wrap your mind around De Fi and start getting hands on, the Dummies way.
- Learn how the De Fi revolution started and where it’s going
- Get insight into opportunities for getting started and building value with De Fi
- Discover the leading assets, exchanges, and marketplaces built on De Fi principles
- Create secure De Fi applications on established platforms
This book is great for current pros or active investors in the world of finance who need to get up to speed on the world of De Fi as quickly and clearly as possible.
Cuprins
Introduction 1
About This Book 1
Foolish Assumptions 2
Icons Used in This Book 3
Beyond the Book 4
Where to Go from Here 4
Part 1: Getting Started With DEFI 5
Chapter 1: Introducing Decentralized Finance 7
Demystifying De Fi 8
From autonomous collectives to trillion-dollar DAOs 9
Transacting in De Fi versus Ce Fi 10
Dispelling harmful De Fi myths 11
Going Full Circle: The De Fi-Ce Fi Infinity Loop 12
Safeguarding wealth 12
Transferring funds 13
Continuing the cycle 13
Deciding to De Fi or Not to De Fi 14
Acknowledging inherent deficiencies in De Fi 14
Recognizing Ce Fi problems that migrate into De Fi 15
Identifying hurdles to adoption 16
Contemplating the Future of De Fi 17
The potential amazingness of seemingly unimportant applications 17
Can we completely replace Ce Fi? 18
Proceeding on Your De Fi Journey 19
Chapter 2: Discovering the De Fi Lingo 21
Introducing Key De Fi Terms 21
Moving into the Web3 era 22
Going the way of a DAO 22
Characterizing blockchains and consensus protocols 23
Describing cryptocurrencies and NFTs 23
Defining smart contracts and d Apps 24
Getting acquainted with L1, L2, and the EVM 24
Grasping important metrics: Market cap, volume, and TVL 25
Knowing Important Distinctions 27
Custodial versus noncustodial 27
On-chain versus off-chain 28
Chapter 3: Dabbling in De Fi: Getting Your Hands Dirty 29
Setting Up Your Wallet 30
Unmasking Meta Mask 30
Installing Meta Mask 30
Setting up Meta Mask 35
Renaming your account 39
Working with Meta Mask on your mobile device 41
Funding Your Account 45
Getting (Real) ETH 46
Getting test ETH 47
Chapter 4: Making Your First De Fi Transactions 55
Decentralized Lending 56
Decentralized Borrowing 61
Executing a Trade on a Decentralized Exchange 63
Unwinding and Closing Out 70
Part 2: Diving Into The Burgeoning DEFI Space 75
Chapter 5: Decentralized Assets 77
Understanding Native Tokens 78
Exploring Non-Native Tokens 80
Stablecoins 81
Wrapped tokens 82
Governance tokens 82
Security tokens 83
Meme coins 83
Differentiating Non-Fungible Tokens (NFTs) 85
Chapter 6: Decentralized Exchanges and Marketplaces 87
Understanding Liquidity Providers and Order Books 88
Distinguishing between Custodial and Noncustodial Exchanges 92
Exploring DEXs 93
Decentralized order books 94
Automated market makers 95
Hybrid liquidity and aggregators 101
Navigating Marketplaces for Non-Fungible Goods 101
Chapter 7: Decentralized Lending and Borrowing 103
Making a Collateralized Loan 104
Understanding the Compound lending protocol 105
Revisiting DAI: A collateralized loan turned stablecoin 109
Using price feeds: What is the collateral worth? 111
Implementing a Flash Loan 112
A tale of two CEXs: Arbitraging without flash loans 112
A tale of two DEXs: Arbitraging with flash loans 114
Noting the caveats: The steep price of failure 115
Manipulating markets (the dark side of flash loans) 116
Chapter 8: Decentralized Metaverses 119
Introducing Decentralized Virtual Economies 120
Paving the way for real-world possibilities 120
Discovering decentralized metaverses 122
Experiencing Decentraland 123
Exploring the Metaverse 125
Part 3: Developing Your Own Dapp: A Step-By-Step Guide 129
Chapter 9: De Fi Building Blocks 131
Introducing Public Blockchains 132
Grasping the importance of a native token 135
Understanding key pairs and digital signatures 136
Touching on other types of distributed ledgers 142
Explaining Consensus Mechanisms 143
Proof of Work (Po W) 144
Proof of Stake (Po S) 146
Proof of XYZ 146
Following a Day (or a Second) in the Life of a Transaction 147
Determining transaction fees 148
Understanding transaction times 154
Tracing the journey of a transaction 158
Streamlining the Development Process 161
Leveraging smart-contract libraries 161
Oracles: A Blockchain’s Divine Access to the Outside World 162
Chapter 10: Smart-Contract Platforms 163
Diving into Layer 1: Comparing Base Protocols 164
Bitcoin 165
Ethereum 166
Ethereum Classic 168
Binance Smart Chain 170
Other EVM-Compatible Networks 171
TRON 172
Flow 173
Cardano 175
Solana 177
Floating Up to Layer 2: Off-Chain Scaling Solutions 178
State channels 179
Plasma chains and sidechains 180
Rollups 180
Fraud proofs versus validity proofs 181
Crossing Cross-Chain Bridges 182
Chapter 11: Launching a Smart Contract on Ethereum 183
Understanding Smart Contracts 184
The birth of a smart contract 184
Contract accounts versus “regular” (externally owned) accounts 185
Smart-contract languages 187
Anatomy of a smart contract 189
Multiple inheritance: Can you have three or more parents? 191
Launching Your Smart Contract 192
Using the Remix IDE 192
Entering your code 194
Compiling your code 199
Pre-launch preparations 200
Deploying your code 204
Accessing Your Smart Contract 209
Following your smart contract on a block explorer 209
Interacting with your smart contract 212
Allowing others to interact with your smart contract 220
Chapter 12: Launching a Smart Contract on the Binance Smart Chain 229
Testing the Waters: How to Navigate the BSC Testnet 230
Configuring Meta Mask 230
Launching your smart contract 234
Accessing your smart contract 238
Feeling Ready for Mainnet? 247
Deploying onto Other EVM-Compatible Platforms 248
Avalanche 249
Polygon 250
Cronos 250
Fantom 251
Arbitrum 252
Huobi ECO (HECO) 253
Celo 253
Chapter 13: Launching Your First De Fi Product 255
Proving Your Proof of Concept 256
Identifying the market pain 257
Assessing the competition 257
Solidifying the value proposition 258
Preparing Your Development Stack 258
Setting up necessary accounts 259
Setting up necessary IDEs 263
Implementing the Back End of Your DApp 263
Entering your code 263
Deploying your Crowdfund contract 269
Following your Crowdfund contract 272
Funding Crowdfund 274
Verifying your Crowdfund contract 280
Creating the Front-End User Interface 287
Integrating the friendlier front end with the (less friendly) back end 288
Nurturing your d App 294
Part 4: The Part Of Tens 297
Chapter 14: Top Ten De Fi Applications 299
Instadapp (INST) 300
Compound (COMP) 301
Pancake Swap (CAKE) 301
Just Lend (JST) 301
Convex Finance (CVX) 302
Curve (CRV) 302
Uniswap (UNI) 303
Aave (AAVE) 303
Lido (LDO) 304
Maker (MKR) 304
Chapter 15: Top Ten Smart-Contract Platforms 305
Optimism (OP) 306
Arbitrum (N/A) 307
Fantom (FTM) 307
Cronos (CRO) 308
Polygon (MATIC) 308
Solana (SOL) 309
Avalanche (AVAX) 309
TRON (TRON) 310
Binance Smart Chain (BNB) 310
Ethereum (ETH) 311
Index 313
Despre autor
Seoyoung Kim, Ph D, is an Associate Professor of Finance and Business Analytics at Santa Clara University and bestselling co-author of NFTs For Dummies. Seoyoung’s expertise lies in innovative financial instruments, crypto-assets, and blockchain-based ventures, on which she has consulted and written extensively. She regularly gives workshops and talks to academic, legal, and financial institutions, both domestically and internationally.
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