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6: Setting Up Your Mining Hardware ASIC Mining Rigs GPU Mining Rigs CPU Mining Mining Software Chapter 7: Running the Numbers: Is It Worth It? Factors That Determine Mining Profitability Calculating Your ROI Chapter 8: Reducing Negatives and Gaining an Edge Profitability through Efficiency Knowledge Is Power Here Today, Gone Tomorrow Evaluating Your Mining Resources Chapter 9: Running Your Cryptocurrency Business What to Do with Your Mined Cryptocurrency Determining When to Sell Dollar Cost Averaging Tax and Your Mining Business Scaling Up?

      11  Index

      12  About the Authors

      13  Connect with Dummies

      14  End User License Agreement

      List of Tables

      1 Book 1 Chapter 3TABLE 3-1 Popular Web WalletsTABLE 3-2 Popular Mobile WalletsTABLE 3-3 Popular Desktop WalletsTABLE 3-4 Popular Hardware WalletsTABLE 3-5 Popular Paper Wallets

      2 Book 1 Chapter 4TABLE 4-1 Some Top Ten Cryptos As of 2021TABLE 4-2 Some Top 100 Cryptos as of 2021

      3 Book 2 Chapter 2TABLE 2-1 Common Uses for Different Types of Blockchains

      4 Book 3 Chapter 2TABLE 2-1 $500 Trades Compared

      5 Book 4 Chapter 3TABLE 3-1 Ethereum ClientsTABLE 3-2 Ethereum Development and Testing BlockchainsTABLE 3-3 Ethereum Compilers and Testing FrameworksTABLE 3-4 Source Code Editors/IDEs

      6 Book 4 Chapter 6TABLE 6-1 Supply Chain ObstaclesTABLE 6-2 Ethereum Solutions to Supply Chain ObstaclesTABLE 6-3 Connecting Physical Assets to Digital AssetsTABLE 6-4 Solidity Data TypesTABLE 6-5 Ethereum Gas ChargesTABLE 6-6 Solidity Visibility ModifiersTABLE 6-7 Solidity Conditional and Iteration StatementsTABLE 6-8 Error-Handling Guard Functions

      7 Book 4 Chapter 7TABLE 7-1 Common Ethereum Security Mistakes

      8 Book 4 Chapter 8TABLE 8-1 Smart Contract Test Blockchain Options

      List of Illustrations

      1 Book 1 Chapter 2FIGURE 2-1: An example of a hard fork. FIGURE 2-2: An example of a soft fork.

      2 Book 1 Chapter 3FIGURE 3-1: Popular cryptocurrency wallet types.

      3 Book 2 Chapter 1FIGURE 1-1: The structure of the Bitcoin blockchain network.FIGURE 1-2: How blockchains work.FIGURE 1-3: The altcoin exchange platform.

      4 Book 2 Chapter 3FIGURE 3-1: Navigate to this page at GitHub.FIGURE 3-2: Open with GitHub Desktop.

      5 Book 2 Chapter 4FIGURE 4-1: A Merkle tree.FIGURE 4-2: A paper wallet.

      6 Book 2 Chapter 5FIGURE 5-1: The world’s first immortal digital game, Etheria.FIGURE 5-2: Ethereum.org blockchain application depiction.FIGURE 5-3: The Add Members box.

      7 Book 3 Chapter 1FIGURE 1-1: Each block’s hash is stored in the next block of data. The hashes c...FIGURE 1-2: Your browser’s lock icon means that data submitted back to the web ...FIGURE 1-3: An example of a blockchain explorer tool, found at https://live.blo...FIGURE 1-4: The bitcoin is associated with an address in the blockchain; the ad...

      8 Book 3 Chapter 2FIGURE 2-1: You’re going to have to prove who you are.FIGURE 2-2: The Coinme wallet.FIGURE 2-3: The new address shown in the Blockchain.com blockchain explorer.FIGURE 2-4: Sending Bitcoin from the Coinme web console and smartphone app.FIGURE 2-5: Let’s buy!FIGURE 2-6: You’re ready to buy; click Buy Now when you’re sure.FIGURE 2-7: Sending money from Coinbase to somewhere else.FIGURE 2-8: Your transaction, still pending.FIGURE 2-9: Your transaction, in the blockchain explorer.

      9 Book 3 Chapter 3FIGURE 3-1: The Cryptotag metal wallet kit (www.cryptotag.io).FIGURE 3-2: An Ellipal hardware wallet.FIGURE 3-3: The Blue home screen.FIGURE 3-4: Picking your wallet type and saving your seed.FIGURE 3-5: Your wallet, ready for work.FIGURE 3-6: Advanced options enable you to add more randomness.FIGURE 3-7: The BlueWallet, ready for a transaction.FIGURE 3-8: Tell Blue if you want to receive a notification when your Bitcoin a...FIGURE 3-9: The Electrum connections.FIGURE 3-10: Your wallet’s addresses.FIGURE 3-11: The BlueWallet Send screen.FIGURE 3-12: Choose your miner’s fee.FIGURE 3-13: Your change addresses.FIGURE 3-14: Checking out basic wallet info and the export info with a seed.FIGURE 3-15: The wallet import box.FIGURE 3-16: Choose an address to access its QR code.FIGURE 3-17: Create a multi-sig wallet; you choose how many wallets in a group.FIGURE 3-18: Setting up your vault wallet and getting your first wallet seed.FIGURE 3-19: Your XPUB QR code.FIGURE 3-20: The Import screen (on an Android device).FIGURE 3-21: The Import screen.FIGURE 3-22: The Import screen (on an Android device).

      10 Book 3 Chapter 4FIGURE 4-1: A warning from Coinbase.com?FIGURE 4-2: What’s going on with the letter a?FIGURE 4-3: The Google Authenticator app.

      11 Book 4 Chapter 1FIGURE 1-1: Purchasing Ether using coinbase.com.FIGURE 1-2: Purchasing Ether with cash.FIGURE 1-3: Current cryptocurrency prices.

      12 Book 4 Chapter 3FIGURE 3-1: Ethereum block header.FIGURE 3-2: Contents of an Ethereum transaction.FIGURE 3-3: Smart contract software development life cycle.

      13 Book 4 Chapter 4FIGURE 4-1: The Go Ethereum (Geth) download webpage.FIGURE 4-2: The Geth Setup — Installation Options window.FIGURE 4-3: Geth light node start-up command.FIGURE 4-4: Geth runtime messages.FIGURE 4-5: The Ganache Download webpage.FIGURE 4-6: The Support Ganache Analytics window.FIGURE 4-7: The Ganache Accounts window.FIGURE 4-8: The Ganache Settings window’s Server tab.FIGURE 4-9: Truffle installation requirements.FIGURE 4-10: Error message in PowerShell when NodeJS isn’t installed.FIGURE 4-11: The NodeJS Download webpage.FIGURE 4-12: NodeJS version message.FIGURE 4-13: Installing Truffle.FIGURE 4-14: Initializing a new Truffle project.FIGURE 4-15: The Microsoft Visual Studio Code download webpage.FIGURE 4-16: The Visual Studio Code install options window.FIGURE 4-17: The Visual Studio Code IDE desktop.FIGURE

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