DEV Community

Blockchain

A decentralized, distributed, and oftentimes public, digital ledger consisting of records called blocks that are used to record transactions across many computers so that any involved block cannot be altered retroactively, without the alteration of all subsequent blocks.

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
Blockchain - Overview

Blockchain - Overview

3
Comments
4 min read
Modifiers in solidity

Modifiers in solidity

3
Comments
1 min read
Blockchain - a distributed P2P network

Blockchain - a distributed P2P network

4
Comments 1
3 min read
How to use Proof-of-Competence Web3 on-boarding framework

How to use Proof-of-Competence Web3 on-boarding framework

8
Comments 2
9 min read
5 Tips & Tricks for DeFi Developers from the UniswapV2 Contracts Review

5 Tips & Tricks for DeFi Developers from the UniswapV2 Contracts Review

7
Comments
6 min read
Mapping in solidity

Mapping in solidity

7
Comments
2 min read
Connect your React App with MetaMask wallet

Connect your React App with MetaMask wallet

7
Comments
2 min read
Moonly - Discover Upcoming NFT Update #2

Moonly - Discover Upcoming NFT Update #2

3
Comments
3 min read
Starport CLI

Starport CLI

2
Comments
1 min read
Create Your Own Ethereum Token in Minutes

Create Your Own Ethereum Token in Minutes

17
Comments
4 min read
Ethernaut Level 2: Fallout Tutorial

Ethernaut Level 2: Fallout Tutorial

6
Comments
1 min read
Step by step guide to minting your Git commit as an NFT

Step by step guide to minting your Git commit as an NFT

72
Comments 7
4 min read
What is Web 3.0 ?

What is Web 3.0 ?

9
Comments 4
4 min read
Ethernaut Level 1: Fallback Tutorial

Ethernaut Level 1: Fallback Tutorial

6
Comments 1
3 min read
From Facebook to META

From Facebook to META

5
Comments
3 min read
How to verify a smart contract on the RSK Block Explorer

How to verify a smart contract on the RSK Block Explorer

6
Comments 1
4 min read
How to secure your smart contracts: Reentrancy attacks

How to secure your smart contracts: Reentrancy attacks

6
Comments
3 min read
Web3: the unique technology and challenges behind the hype

Web3: the unique technology and challenges behind the hype

7
Comments 1
7 min read
Know Bunzz, a game changer blockchain startup for DApp Development with No Code

Know Bunzz, a game changer blockchain startup for DApp Development with No Code

6
Comments
3 min read
Web 3.0 and the undeliverable promise of decentralization

Web 3.0 and the undeliverable promise of decentralization

10
Comments 1
49 min read
The Role of Blockchain in Powering the NFT Revolution

The Role of Blockchain in Powering the NFT Revolution

3
Comments 1
4 min read
Becoming A Blockchain Developer - Day 01

Becoming A Blockchain Developer - Day 01

2
Comments
1 min read
Hack Solidity: Unchecked Call Return Value

Hack Solidity: Unchecked Call Return Value

6
Comments
2 min read
Introduction to IPFS and Decentralized Storage.

Introduction to IPFS and Decentralized Storage.

16
Comments 2
4 min read
The best free resources to get started with ethereum, dapps, solidity, NFTs & beyond in 2022

The best free resources to get started with ethereum, dapps, solidity, NFTs & beyond in 2022

13
Comments
1 min read
Hack Solidity: Visibilities

Hack Solidity: Visibilities

5
Comments
2 min read
Hack Solidity: Tx Origin Attacks

Hack Solidity: Tx Origin Attacks

7
Comments
2 min read
Gelato Network is hiring! Technical content lead, Web3 research analyst, back-end and front-end engineer!

Gelato Network is hiring! Technical content lead, Web3 research analyst, back-end and front-end engineer!

1
Comments
2 min read
What the heck is Zero Knowledge (ZK) proof?

What the heck is Zero Knowledge (ZK) proof?

3
Comments
7 min read
ERC20 Token Standard

ERC20 Token Standard

10
Comments
6 min read
Introduction to Solidity...

Introduction to Solidity...

8
Comments
1 min read
DAOs - the good, the bad and the unknown

DAOs - the good, the bad and the unknown

12
Comments
8 min read
Create Personalized Blockchain in 60 Minutes

Create Personalized Blockchain in 60 Minutes

9
Comments
3 min read
Deploying a Dapp to Mainnet

Deploying a Dapp to Mainnet

25
Comments 1
7 min read
Hack Solidity: Block Timestamp Manipulation

Hack Solidity: Block Timestamp Manipulation

7
Comments 1
2 min read
Blockchain testing - a mindmap

Blockchain testing - a mindmap

5
Comments 1
1 min read
A Concise Hardhat Tutorial: Part 3 - ERC721 NFT

A Concise Hardhat Tutorial: Part 3 - ERC721 NFT

21
Comments 3
7 min read
A Concise Hardhat Tutorial: Part 2 - ERC20 Token

A Concise Hardhat Tutorial: Part 2 - ERC20 Token

15
Comments
5 min read
The Simplest Way to Understand Blockchain Technology

The Simplest Way to Understand Blockchain Technology

11
Comments
3 min read
Hack Solidity: Self Destruct

Hack Solidity: Self Destruct

12
Comments 2
2 min read
Beyond a JPEG: NFT as a Primary Key

Beyond a JPEG: NFT as a Primary Key

10
Comments
4 min read
How to “read” an NFT Smart Contract

How to “read” an NFT Smart Contract

7
Comments 3
6 min read
Metamask authentication in NextJS with Third Web

Metamask authentication in NextJS with Third Web

24
Comments 3
3 min read
Setup your env to start working w/ the blockchain

Setup your env to start working w/ the blockchain

3
Comments 1
1 min read
Solidity Programming 2:25:37

Solidity Programming

3
Comments
1 min read
solana-test-validator on m1 without rosetta

solana-test-validator on m1 without rosetta

10
Comments 1
2 min read
A Concise Hardhat Tutorial : Part 1

A Concise Hardhat Tutorial : Part 1

23
Comments 2
7 min read
How to become a Blockchain Developer?

How to become a Blockchain Developer?

12
Comments
3 min read
Web3 - what does it mean and what does it do?

Web3 - what does it mean and what does it do?

1
Comments
5 min read
Getting started with Ethereum: connecting geth, Remix and Metamask for local development

Getting started with Ethereum: connecting geth, Remix and Metamask for local development

5
Comments 2
4 min read
Binance Clone Script- How to Build a Crypto Exchange Like Binance?

Binance Clone Script- How to Build a Crypto Exchange Like Binance?

2
Comments 1
4 min read
DEFi Tokens - A cryptocurrency

DEFi Tokens - A cryptocurrency

5
Comments 1
5 min read
My Web3 Journey: Day 100 of #100daysofWeb3

My Web3 Journey: Day 100 of #100daysofWeb3

102
Comments 3
9 min read
Easiest way to deploy your Ethereum Smart Contract

Easiest way to deploy your Ethereum Smart Contract

7
Comments
3 min read
Demystifying Blockchain Technology

Demystifying Blockchain Technology

9
Comments 1
6 min read
Reentrancy Attack in Solidity Smart Contract

Reentrancy Attack in Solidity Smart Contract

14
Comments
3 min read
How to build a blockchain from scratch with Go

How to build a blockchain from scratch with Go

29
Comments 3
6 min read
ETHEREAL : A Decentralized Virtual Banking system - Part I

ETHEREAL : A Decentralized Virtual Banking system - Part I

45
Comments 1
26 min read
ETHEREAL : A Decentralized Virtual Banking system - Part II

ETHEREAL : A Decentralized Virtual Banking system - Part II

40
Comments
6 min read
[UniswapV2] FlashSwap Walkthrough

[UniswapV2] FlashSwap Walkthrough

5
Comments
2 min read
loading...