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# ethereum

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How to write, test and deploy Ethereum smart contracts using Truffle

How to write, test and deploy Ethereum smart contracts using Truffle

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11 min read
Cairo lang: Sum even numbers in an array

Cairo lang: Sum even numbers in an array

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3 min read
121 ethereum truffle : Writing automated smart contract tests

121 ethereum truffle : Writing automated smart contract tests

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5 min read
Tutorial: Get Started with Autotasks in OpenZeppelin Defender

Tutorial: Get Started with Autotasks in OpenZeppelin Defender

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4 min read
plopchain

plopchain

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1 min read
Next.js Ethereum Starter

Next.js Ethereum Starter

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3 min read
Yet another Re-entrancy attack - What's keeping us from being a better Smart Contract Developer?

Yet another Re-entrancy attack - What's keeping us from being a better Smart Contract Developer?

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11 min read
11R ethereum OpenZeppelin : Writing automated smart contract tests

11R ethereum OpenZeppelin : Writing automated smart contract tests

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4 min read
Dev Setup for Crypto and AI

Dev Setup for Crypto and AI

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2 min read
A case for secure web3 operations

A case for secure web3 operations

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10 min read
The PetShop project, day 4: Adding metadata to PetShop NFT

The PetShop project, day 4: Adding metadata to PetShop NFT

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3 min read
Function Modifiers in Solidity

Function Modifiers in Solidity

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3 min read
Ethernaut: 27. Good Samaritan

Ethernaut: 27. Good Samaritan

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3 min read
Valuetypes in Solidity

Valuetypes in Solidity

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3 min read
The PetShop project, day 3: Upgrading the PetShop NFT

The PetShop project, day 3: Upgrading the PetShop NFT

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5 min read
11Z ethereum truffle : Deploying and interacting with smart contracts

11Z ethereum truffle : Deploying and interacting with smart contracts

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6 min read
11X ethereum truffle : Developing smart contracts

11X ethereum truffle : Developing smart contracts

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4 min read
11V ethereum OpenZeppelin : Upgrading smart contracts

11V ethereum OpenZeppelin : Upgrading smart contracts

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7 min read
Solidity Hello world

Solidity Hello world

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3 min read
How to Solo Stake on Ethereum and Earn Rewards Using Infura After The Merge

How to Solo Stake on Ethereum and Earn Rewards Using Infura After The Merge

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8 min read
11T ethereum OpenZeppelin : Connecting to public test networks

11T ethereum OpenZeppelin : Connecting to public test networks

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4 min read
11P ethereum OpenZeppelin : Deploying and interacting with smart contracts

11P ethereum OpenZeppelin : Deploying and interacting with smart contracts

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5 min read
11N ethereum OpenZeppelin : Developing smart contracts

11N ethereum OpenZeppelin : Developing smart contracts

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4 min read
How To Migrate Dapp from Rinkeby to Mumbai

How To Migrate Dapp from Rinkeby to Mumbai

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3 min read
Ethernaut Challenge #1 Solution — Fallback

Ethernaut Challenge #1 Solution — Fallback

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4 min read
Onboarding New Users With Coinbase Wallet

Onboarding New Users With Coinbase Wallet

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10 min read
The Blockchain enDAOment

The Blockchain enDAOment

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4 min read
The PetShop project, day 2: Creating an ERC721 Standard PetShop NFT

The PetShop project, day 2: Creating an ERC721 Standard PetShop NFT

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6 min read
Understand Merkle tree by making an NFT minting whitelist

Understand Merkle tree by making an NFT minting whitelist

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6 min read
The PetShop project, day 1: Creating a simple token with Hardhat

The PetShop project, day 1: Creating a simple token with Hardhat

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14 min read
Arbitrum Nitro from L2 dApps developer perspective

Arbitrum Nitro from L2 dApps developer perspective

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2 min read
Compiling and testing Vyper contract using Foundry

Compiling and testing Vyper contract using Foundry

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6 min read
115 ethereum hardhat : frontend project

115 ethereum hardhat : frontend project

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3 min read
Smart Contract Head to Head — Ethereum vs. Flow

Smart Contract Head to Head — Ethereum vs. Flow

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8 min read
The PetShop project, day 5: Understanding contract storage layout and proxy upgrade pattern

The PetShop project, day 5: Understanding contract storage layout and proxy upgrade pattern

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9 min read
Ethernaut Challenge #3 Solution — Coin Flip

Ethernaut Challenge #3 Solution — Coin Flip

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3 min read
11B ethereum hardhat : Create task

11B ethereum hardhat : Create task

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9 min read
117 ethereum hardhat : Hardhat Runtime Environment (HRE)

117 ethereum hardhat : Hardhat Runtime Environment (HRE)

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4 min read
How to Get Testnet ETH and MATIC

How to Get Testnet ETH and MATIC

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1 min read
113 ethereum hardhat : Using TypeScript

113 ethereum hardhat : Using TypeScript

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4 min read
How I optimized gas costs by 75%

How I optimized gas costs by 75%

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3 min read
Ethernaut Challenge #4 Solution — Telephone

Ethernaut Challenge #4 Solution — Telephone

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4 min read
Ethernaut Challenge #2 Solution — Fallout

Ethernaut Challenge #2 Solution — Fallout

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3 min read
119 ethereum hardhat : Compilation artifacts

119 ethereum hardhat : Compilation artifacts

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3 min read
10Z ethereum hardhat : Deploying to network

10Z ethereum hardhat : Deploying to network

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3 min read
111 ethereum hardhat : use task and script

111 ethereum hardhat : use task and script

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3 min read
Kongz contract breakdown

Kongz contract breakdown

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6 min read
DATA STRUCTURES IN SOLIDITY

DATA STRUCTURES IN SOLIDITY

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3 min read
11L ethereum hardhat : Mining Modes

11L ethereum hardhat : Mining Modes

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3 min read
Meu primeiro smart contract: Criando um token ERC-20 pt.1

Meu primeiro smart contract: Criando um token ERC-20 pt.1

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7 min read
11J ethereum hardhat : Forking other networks

11J ethereum hardhat : Forking other networks

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4 min read
11H ethereum hardhat : Hardhat Network

11H ethereum hardhat : Hardhat Network

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5 min read
Writing And Deploying Smart Contracts Using Foundry & Thirdweb Deploy

Writing And Deploying Smart Contracts Using Foundry & Thirdweb Deploy

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5 min read
11D ethereum hardhat : Writing scripts

11D ethereum hardhat : Writing scripts

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3 min read
Smart contracts integration testing with hardhat mainnet fork

Smart contracts integration testing with hardhat mainnet fork

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4 min read
Hardhat : Deployment and Upgradable Contract 👷

Hardhat : Deployment and Upgradable Contract 👷

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2 min read
Meu primeiro smart contract: Criando um contrato de aposta

Meu primeiro smart contract: Criando um contrato de aposta

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9 min read
10X ethereum hardhat : Testing contracts

10X ethereum hardhat : Testing contracts

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8 min read
10V ethereum hardhat : create a project

10V ethereum hardhat : create a project

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3 min read
Ethernaut: 25. Motorbike

Ethernaut: 25. Motorbike

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4 min read
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