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 and How its formed..

Blockchain and How its formed..

4
Comments
2 min read
Создаем на Flow | Изучаем FCL - 1. Введение

Создаем на Flow | Изучаем FCL - 1. Введение

4
Comments
1 min read
Crypto Winter (or innovations natural course)

Crypto Winter (or innovations natural course)

6
Comments
1 min read
Signing message using Metamask in Flutter

Signing message using Metamask in Flutter

16
Comments 1
12 min read
Web3 tutorial: A notepad in the Flow blockchain

Web3 tutorial: A notepad in the Flow blockchain

13
Comments 1
11 min read
Build on Flow | Learn FCL - 12. How to Create a New Account with Flow CLI and Testnet Faucet

Build on Flow | Learn FCL - 12. How to Create a New Account with Flow CLI and Testnet Faucet

3
Comments
3 min read
10D polkadot substrate : Add a pallet to the runtime

10D polkadot substrate : Add a pallet to the runtime

4
Comments
8 min read
What are dApps? How they are different from normal apps?

What are dApps? How they are different from normal apps?

8
Comments
3 min read
Permanent File Storage for Web3 Apps with Arweave, Bundlr, Next.js, RainbowKit, and Wagmi

Permanent File Storage for Web3 Apps with Arweave, Bundlr, Next.js, RainbowKit, and Wagmi

4
Comments
7 min read
Function visibility in Solidity Smart Contracts

Function visibility in Solidity Smart Contracts

8
Comments
2 min read
10B polkadot substrate : node metrics

10B polkadot substrate : node metrics

2
Comments
3 min read
The Basic Solidity Guide

The Basic Solidity Guide

1
Comments
12 min read
Solving The Oracle Problem

Solving The Oracle Problem

2
Comments
4 min read
Behind the Scenes of the XRPL DEX

Behind the Scenes of the XRPL DEX

21
Comments 5
4 min read
109 polkadot substrate : private network

109 polkadot substrate : private network

5
Comments
8 min read
A high level overview of Web 3.0

A high level overview of Web 3.0

5
Comments 1
6 min read
Day 25 - Fallback and receive Functions

Day 25 - Fallback and receive Functions

12
Comments
2 min read
Building a piggy bank smart contract with solidity

Building a piggy bank smart contract with solidity

9
Comments
3 min read
Guide for Smart contracts in Solidity

Guide for Smart contracts in Solidity

8
Comments
2 min read
Day 24 - Multiple Inheritance

Day 24 - Multiple Inheritance

8
Comments
1 min read
What is a Hash?

What is a Hash?

8
Comments
3 min read
NatSpec: The Right way to comment Ethereum smart contracts.

NatSpec: The Right way to comment Ethereum smart contracts.

6
Comments 1
7 min read
Day 23 - Hierarchical Inheritance

Day 23 - Hierarchical Inheritance

8
Comments
1 min read
Thoughts on Digital Will & Digital Inheritance

Thoughts on Digital Will & Digital Inheritance

4
Comments
1 min read
Does adding a PAYABLE keyword in Solidity actually save GAS?

Does adding a PAYABLE keyword in Solidity actually save GAS?

12
Comments
4 min read
Demystifying Foundry

Demystifying Foundry

8
Comments
11 min read
How To Install Hyperledger Fabric v2.4 on Ubuntu 20.04

How To Install Hyperledger Fabric v2.4 on Ubuntu 20.04

8
Comments 2
2 min read
Day 22 - Multi-level Inheritance

Day 22 - Multi-level Inheritance

9
Comments
1 min read
Web5 is out!! What do you think?

Web5 is out!! What do you think?

7
Comments
1 min read
Day 21 - Single Inheritance

Day 21 - Single Inheritance

8
Comments
2 min read
Day 20 - Constructors

Day 20 - Constructors

8
Comments
2 min read
Smart contract for voting app

Smart contract for voting app

8
Comments
3 min read
Day 19 - Function Modifiers

Day 19 - Function Modifiers

11
Comments
1 min read
107 polkadot substrate : forkless upgrades

107 polkadot substrate : forkless upgrades

6
Comments
6 min read
Build a crypto miner using Raspberry Pi in 10 minutes

Build a crypto miner using Raspberry Pi in 10 minutes

19
Comments
7 min read
Installing Hyperledger Fabric on windows and Deploy /Start chain code

Installing Hyperledger Fabric on windows and Deploy /Start chain code

6
Comments
3 min read
Day 18 - Revert Statement

Day 18 - Revert Statement

9
Comments
1 min read
8 Startup Ideas That You Can Steal From Me

8 Startup Ideas That You Can Steal From Me

16
Comments 2
4 min read
👻 What are Soulbound Tokens

👻 What are Soulbound Tokens

9
Comments
4 min read
Advanced gas optimization tips for Solidity

Advanced gas optimization tips for Solidity

14
Comments
10 min read
Day 17 - Assert Statement

Day 17 - Assert Statement

9
Comments
2 min read
Building your next application using blockchain: Why and how

Building your next application using blockchain: Why and how

19
Comments
9 min read
#2 - Introduction au développement de smartcontracts sur la blockchain Partisia

#2 - Introduction au développement de smartcontracts sur la blockchain Partisia

6
Comments
4 min read
#1 - Introduction au développement de smartcontracts sur la blockchain Partisia

#1 - Introduction au développement de smartcontracts sur la blockchain Partisia

6
Comments
3 min read
The Genesis.Json file - A quick intro

The Genesis.Json file - A quick intro

5
Comments
2 min read
Tutorial - Using create2 to predict the contract address before deploying

Tutorial - Using create2 to predict the contract address before deploying

11
Comments
2 min read
Day 16 - Require Statement

Day 16 - Require Statement

5
Comments
2 min read
Web5: A Better Web3 Approach?

Web5: A Better Web3 Approach?

7
Comments 3
2 min read
Crowdfunding dApp with Solidity and NextJS

Crowdfunding dApp with Solidity and NextJS

8
Comments
25 min read
What is Bitcoin? WIBI

What is Bitcoin? WIBI

2
Comments
14 min read
Introduction to Web 3.0

Introduction to Web 3.0

11
Comments 3
6 min read
Day 15 - Units

Day 15 - Units

10
Comments
1 min read
¿Cómo hacer un bot de criptomonedas en Telegram con Rust y Teloxide

¿Cómo hacer un bot de criptomonedas en Telegram con Rust y Teloxide

9
Comments
8 min read
Day 14 - Mappings

Day 14 - Mappings

8
Comments
1 min read
What is Blockchain? How does it work? Why do we need it?

What is Blockchain? How does it work? Why do we need it?

13
Comments 1
5 min read
【Crypto Blog Started】About the future of this blog

【Crypto Blog Started】About the future of this blog

6
Comments
2 min read
Staking. What happens behind the scenes. Brief code walkthrough and mathematical calculation

Staking. What happens behind the scenes. Brief code walkthrough and mathematical calculation

9
Comments
5 min read
🥁 I built a complete decentralized MultiSig Wallet with Solidity and ReactJS.

🥁 I built a complete decentralized MultiSig Wallet with Solidity and ReactJS.

7
Comments
1 min read
105 polkadot substrate : permissioned network

105 polkadot substrate : permissioned network

8
Comments
6 min read
ERC721 ABI

ERC721 ABI

7
Comments
2 min read
loading...