DeveloperBreeze

Blockchain Development Programming Tutorials, Guides & Best Practices

Explore 30+ expertly crafted blockchain development tutorials, components, and code examples. Stay productive and build faster with proven implementation strategies and design patterns from DeveloperBreeze.

Cheatsheet
solidity

Blockchain Libraries Cheatsheet 

  npm install bcoin

Aug 23, 2024
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Cheatsheet
solidity

Blockchain Development Tools, Libraries, and Frameworks Cheatsheet

  • Description: A block explorer and analytics platform for Ethereum.
  • Key Features:
  • Provides real-time data on Ethereum blocks, transactions, and gas prices.
  • Includes charts and statistics on Ethereum network performance.
  • Offers detailed contract and token information.
  • Integrates with Etherscan and other blockchain services.
  • Website: Etherchain
  • Description: The official documentation for the Ethereum blockchain, covering topics from basics to advanced development.
  • Key Features:
  • Comprehensive guides on setting up development environments.
  • Tutorials on smart contract development and DApp creation.
  • Detailed explanations of Ethereum concepts and protocols.
  • Regularly updated with the latest information.
  • Website: Ethereum Documentation

Aug 23, 2024
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Tutorial
solidity

Building a Decentralized Application (DApp) with Smart Contracts

Example Front-End Code:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Message DApp</title>
</head>
<body>
    <h1>Decentralized Message Store</h1>
    <input type="text" id="messageInput" placeholder="Enter a new message">
    <button onclick="setMessage()">Set Message</button>
    <p id="currentMessage">Loading message...</p>

    <script src="https://cdn.jsdelivr.net/npm/web3@latest/dist/web3.min.js"></script>
    <script>
        const contractAddress = 'YOUR_CONTRACT_ADDRESS';
        const abi = [/* ABI from compiled contract */];

        const web3 = new Web3(Web3.givenProvider);
        const contract = new web3.eth.Contract(abi, contractAddress);

        async function setMessage() {
            const accounts = await web3.eth.getAccounts();
            const message = document.getElementById('messageInput').value;
            await contract.methods.setMessage(message).send({ from: accounts[0] });
            loadMessage();
        }

        async function loadMessage() {
            const message = await contract.methods.getMessage().call();
            document.getElementById('currentMessage').innerText = message;
        }

        window.onload = loadMessage;
    </script>
</body>
</html>

Aug 22, 2024
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Tutorial
javascript solidity

Creating a Decentralized Application (dApp) with Solidity, Ethereum, and IPFS: From Smart Contracts to Front-End

Install IPFS on your machine following the instructions from the IPFS documentation.

Start the IPFS daemon and add a file to IPFS:

Aug 20, 2024
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Tutorial
javascript nodejs

Tracking Solana Address for New Trades and Amounts

Step 2: Connect to the Solana Network

Create a new file called index.js and add the following code to connect to the Solana blockchain:

Aug 09, 2024
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