Tim Weingärtner

Smart Contract fundamentals - My first DApp

A smart contract is a tamper-proof program that brings verifiable uniqueness to digital assets. Learn to build one from scratch in this hands-on introduction.

Smart Contract fundamentals - My first DApp
#1about 2 minutes

Understanding the core features of blockchain technology

Blockchain provides an immutable, distributed, transparent, and programmable ledger secured by consensus.

#2about 5 minutes

What smart contracts are and why they matter

Smart contracts are tamper-proof, self-executing programs on a blockchain that solve the problem of digital uniqueness.

#3about 6 minutes

Building and deploying a simple contract with Remix

Use the Remix IDE to write, compile, and deploy a basic Solidity smart contract to a local JavaScript virtual machine.

#4about 2 minutes

Setting up a local DApp environment with Truffle and Ganache

Install and configure the Truffle Suite and Ganache to create a local blockchain for more advanced DApp development.

#5about 6 minutes

Connecting a web front-end to a smart contract

Use Web3.js to build a web interface that interacts with a deployed smart contract and uses MetaMask to sign transactions.

#6about 6 minutes

Creating your own cryptocurrency with ERC-20 tokens

Learn how the ERC-20 standard defines a smart contract for creating fungible tokens with balance mapping and transfer functions.

#7about 5 minutes

Building a decentralized Tic-Tac-Toe game on the blockchain

A smart contract can enforce game rules, manage player stakes, and determine the winner in a trustless Tic-Tac-Toe game.

#8about 4 minutes

Key challenges and risks in smart contract development

Smart contract development requires careful attention to code correctness, security audits, scalability, and the Oracle problem due to immutability.

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