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.
How to store NFT metadata decentralized and dynamically

How to store NFT metadata decentralized and dynamically

4
Comments
5 min read
How to query the NEM database?

How to query the NEM database?

2
Comments
6 min read
Troubleshooting: exceeds block gas limit

Troubleshooting: exceeds block gas limit

2
Comments
1 min read
Introduction to Solidity

Introduction to Solidity

9
Comments 2
7 min read
Popular tag(#blockchain) last week top 5

Popular tag(#blockchain) last week top 5

3
Comments 3
1 min read
Roadmap to Blockchain Development

Roadmap to Blockchain Development

86
Comments 9
5 min read
Re-entrancy attacks in Ethereum smart contrats

Re-entrancy attacks in Ethereum smart contrats

6
Comments 1
2 min read
Flow Blockchain — Golang: Firmar y Enviar una Transacción

Flow Blockchain — Golang: Firmar y Enviar una Transacción

4
Comments
6 min read
Applications and Uses of Blockchain

Applications and Uses of Blockchain

3
Comments
2 min read
Best Solidity Practices (with examples)

Best Solidity Practices (with examples)

8
Comments
4 min read
Announcing Bunzz's new series of Smart Contract Modules.

Announcing Bunzz's new series of Smart Contract Modules.

2
Comments
2 min read
How to verify Smart Contract with libraries and Constructor Parameters on Polygonscan using Hardhat.

How to verify Smart Contract with libraries and Constructor Parameters on Polygonscan using Hardhat.

4
Comments
3 min read
Flow & Cadence Best Practices, Patterns, and Anti-Patterns

Flow & Cadence Best Practices, Patterns, and Anti-Patterns

6
Comments
9 min read
Ruby & blockchain

Ruby & blockchain

5
Comments 2
3 min read
Let's build a Twitter clone on Web3 - A Comprehensive Guide to Building on Flow

Let's build a Twitter clone on Web3 - A Comprehensive Guide to Building on Flow

8
Comments
47 min read
Minting an NFT on an android app (Part 1)

Minting an NFT on an android app (Part 1)

6
Comments 1
7 min read
Minting an NFT on an android app (Part 2)

Minting an NFT on an android app (Part 2)

3
Comments
5 min read
Damn Vulnerable DeFI 2022 Walkthrough — Challenge 2 Solution “Naive Receiver”

Damn Vulnerable DeFI 2022 Walkthrough — Challenge 2 Solution “Naive Receiver”

4
Comments
4 min read
How Blockchain Generates Each Block's Hash

How Blockchain Generates Each Block's Hash

9
Comments
3 min read
Deploy a smart contract to an arbitrary address

Deploy a smart contract to an arbitrary address

7
Comments 1
1 min read
Blockchatting: A Peer-to-Peer Messaging dApp

Blockchatting: A Peer-to-Peer Messaging dApp

5
Comments 1
5 min read
Create a Wrapped ERC20 token on Avalanche with Vyper! 🐍🪙

Create a Wrapped ERC20 token on Avalanche with Vyper! 🐍🪙

3
Comments
8 min read
Building a Flutter Crypto Trading App Final: Websockets

Building a Flutter Crypto Trading App Final: Websockets

3
Comments
8 min read
Building Dynamic NFTs on Tezos

Building Dynamic NFTs on Tezos

2
Comments
8 min read
Building Dynamic NFTs on Tezos

Building Dynamic NFTs on Tezos

3
Comments
8 min read
Building Dynamic NFTs on Tezos

Building Dynamic NFTs on Tezos

2
Comments
8 min read
How to hack simple smart contract in the TON blockchain

How to hack simple smart contract in the TON blockchain

7
Comments 1
13 min read
Solidity: Writing your first Smart Contract

Solidity: Writing your first Smart Contract

2
Comments
5 min read
Solidity vs Rust

Solidity vs Rust

4
Comments
5 min read
What is a Blockchain?

What is a Blockchain?

1
Comments 1
2 min read
How to Connect to the Casper Network using Ruby

How to Connect to the Casper Network using Ruby

5
Comments 1
4 min read
Simplifying Flutter App Automation

Simplifying Flutter App Automation

6
Comments
8 min read
How to Build an Exciting Blockchain Voting System with React, Solidity, and CometChat

How to Build an Exciting Blockchain Voting System with React, Solidity, and CometChat

7
Comments
11 min read
Ceramic and Unstoppable Domains React App

Ceramic and Unstoppable Domains React App

5
Comments
1 min read
The Future Of Work: Being On The Good Side Of AI The Centaur Way

The Future Of Work: Being On The Good Side Of AI The Centaur Way

5
Comments
4 min read
Wait, what and why Blockchain ? 🤔

Wait, what and why Blockchain ? 🤔

12
Comments
4 min read
Implementing a DAO in a growing software development company

Implementing a DAO in a growing software development company

8
Comments
5 min read
Solidity by Examples in ITALIANO!

Solidity by Examples in ITALIANO!

5
Comments
3 min read
Changing the Game of Ticketing Using Revise and NFTs

Changing the Game of Ticketing Using Revise and NFTs

7
Comments
7 min read
Changing The Game of Ticketing Using Revise and NFTs

Changing The Game of Ticketing Using Revise and NFTs

5
Comments
7 min read
Blockchain : Création de réseaux privés décentralisés avec EdgeVPN et application à l’opérateur…

Blockchain : Création de réseaux privés décentralisés avec EdgeVPN et application à l’opérateur…

6
Comments 1
26 min read
10 months building a crypto startup and BUMP!

10 months building a crypto startup and BUMP!

4
Comments 1
4 min read
How to declare an array in Solidity

How to declare an array in Solidity

Comments
1 min read
How to get array length in Solidity

How to get array length in Solidity

1
Comments
1 min read
Uniswap Deep Dive 1:

Uniswap Deep Dive 1:

Comments
2 min read
Web3 Application Tech Stack 2022

Web3 Application Tech Stack 2022

22
Comments 7
1 min read
Hey there , lets explore a blockchain network

Hey there , lets explore a blockchain network

9
Comments 1
5 min read
Web3 Dubai MetaMask Workshop

Web3 Dubai MetaMask Workshop

11
Comments
15 min read
Overview of CyberConnect on-chain protocol and explore the potential use cases

Overview of CyberConnect on-chain protocol and explore the potential use cases

4
Comments
9 min read
The Ethereum Merge: What it Means for Developers

The Ethereum Merge: What it Means for Developers

3
Comments
3 min read
Full Stack Web3 Project

Full Stack Web3 Project

6
Comments 6
2 min read
Overview of common DID methods and when to use each one.

Overview of common DID methods and when to use each one.

3
Comments
9 min read
What is Blockchain

What is Blockchain

9
Comments
2 min read
Smart contract for voting app

Smart contract for voting app

3
Comments 3
3 min read
Creating an NFT with Stacks

Creating an NFT with Stacks

6
Comments 1
10 min read
Ethereum ️and JavaScript: Cheatsheet

Ethereum ️and JavaScript: Cheatsheet

Comments
9 min read
Smart Contract for division

Smart Contract for division

2
Comments
7 min read
Smart contract for document registry

Smart contract for document registry

8
Comments
3 min read
Farnance: How Julian built a SaaS for farmers with Wasp and won a hackathon!

Farnance: How Julian built a SaaS for farmers with Wasp and won a hackathon!

2
Comments
3 min read
Web3 Security: Types of Attacks and Lessons Discovered

Web3 Security: Types of Attacks and Lessons Discovered

5
Comments 1
6 min read
loading...