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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Matching moments

Using smart contracts and developer tools on Hedera
04:19 MIN

Using smart contracts and developer tools on Hedera

A Primer on Blockchain and Hedera: An Intro Through Terms

Essential tools for building a Web3 application
06:11 MIN

Essential tools for building a Web3 application

​Road to Web3

Introducing Ethereum and programmable smart contracts
05:02 MIN

Introducing Ethereum and programmable smart contracts

Blockchain, NFT and smart contracts for my application

Exploring the basics of smart contracts and Solidity
07:18 MIN

Exploring the basics of smart contracts and Solidity

Web3 Developer Crash Course

Live demo and recap of the dApp architecture
07:39 MIN

Live demo and recap of the dApp architecture

Connect Metamask with web3js

How smart contracts automate trust and business logic
07:46 MIN

How smart contracts automate trust and business logic

Trust as the Key Concept in Future Mobility

Automating business logic with smart contracts
03:35 MIN

Automating business logic with smart contracts

Demystifying Crypto & Web3: A Technical Journey Through 15 Years of Innovation

A live coding demo of your first smart contract
11:59 MIN

A live coding demo of your first smart contract

Build Real Things: Real-World Problems That Blockchain Actually Solves - Marco Podien

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