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WeAreDevelopers LIVE • Oct 12, 2020

Smart Contract fundamentals - My first DApp

Tim Weingärtner

A single smart contract vulnerability can drain an entire digital asset balance. Learn the strict network economics and essential tooling required to safely build your first zero-trust Ethereum DApp.

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#1 about 4 min

Fundamental features and principles of blockchain technology

Blockchain functions as an immutable, distributed, and transparent ledger that uses consensus protocols for security.

#2 about 3 min

Defining smart contracts and their core characteristics

Understanding smart contract definitions clarifies how tamper-proof, self-executing code represents legal agreements on a ledger.

#3 about 3 min

Solving trust and uniqueness in the digital world

Smart contracts solve the duplication problem of the digital world by guaranteeing unique, trustless asset ownership.

#4 about 7 min

Building a basic counter contract using Remix IDE

Using the Remix development environment allows developers to easily compile, deploy, and interact with basic Solidity contracts.

#5 about 9 min

Local deployment and front-end connection with Truffle Suite

Integrating the Truffle Suite and Ganache with Web3 and MetaMask provides a robust local blockchain environment.

#6 about 6 min

Creating custom digital money using the ERC-20 standard

Developers can build and transfer custom digital currencies by implementing the standardized mapping structures of ERC-20 tokens.

#7 about 5 min

Developing a decentralized tic-tac-toe game with smart contracts

A decentralized tic-tac-toe game demonstrates how code can transparently manage gameplay rules and token stakes without central servers.

#8 about 5 min

Security vulnerabilities and the challenges of immutable code

Because smart contracts are immutable after deployment, rigorous code auditing is required to prevent costly security exploits.

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