Skip to main content

What Is Blockchain? What Is Blocks?

What Is Blockchain?
Blockchain is a digitized, decentralized and public ledger of all financial transactions and it also recording the history of transactions.

Blockchain provides a protocol for building a public, replicated and distributed ledger network of all transactions. Each participant in this blockchain network maintains their own copy of that database, or collection of organized information.

Blockchain is mostly known for the first technology it enabled, the Bitcoin, which Satoshi Nakamoto first described in a paper in 2008.

Blockchain is the technology that runs cryptocurrency Bitcoin.
Blockchain very first and most famous application is Bitcoin, a peer-to-peer (P2P) digital currency for the modern, digital age. This was created by Satoshi Nakamoto.

What Is Blocks?
A block is a collection of data or transactions.
All Transaction data are permanently recorded in files called blocks.

Blocks are storage of data or transactions on the blockchain network, once they are added to the chain of blocks that precede them they become irreversible. Each block contains the data it is recording.

Labels

Labels:
By Anil Singh | Rating of this article (*****)

Popular posts from this blog

List of Countries, Nationalities and their Code In Excel File

Download JSON file for this List - Click on JSON file    Countries List, Nationalities and Code Excel ID Country Country Code Nationality Person 1 UNITED KINGDOM GB British a Briton 2 ARGENTINA AR Argentinian an Argentinian 3 AUSTRALIA AU Australian an Australian 4 BAHAMAS BS Bahamian a Bahamian 5 BELGIUM BE Belgian a Belgian 6 BRAZIL BR Brazilian a Brazilian 7 CANADA CA Canadian a Canadian 8 CHINA CN Chinese a Chinese 9 COLOMBIA CO Colombian a Colombian 10 CUBA CU Cuban a Cuban 11 DOMINICAN REPUBLIC DO Dominican a Dominican 12 ECUADOR EC Ecuadorean an Ecuadorean 13 EL SALVA...
Read more

nullinjectorerror no provider for httpclient angular 17

In Angular 17 where the standalone true option is set by default, the app.config.ts file is generated in src/app/ and provideHttpClient(). We can be added to the list of providers in app.config.ts Step 1:   To provide HttpClient in a standalone app we could do this in the app.config.ts file, app.config.ts: import { ApplicationConfig } from '@angular/core'; import { provideRouter } from '@angular/router'; import { routes } from './app.routes'; import { provideClientHydration } from '@angular/platform-browser'; //This (provideHttpClient) will help us to resolve the issue  import {provideHttpClient} from '@angular/common/http'; export const appConfig: ApplicationConfig = {   providers: [ provideRouter(routes),  provideClientHydration(), provideHttpClient ()      ] }; The appConfig const is used in the main.ts file, see the code, main.ts : import { bootstrapApplication } from '@angular/platform-browser'; import { appConfig } from ...
Read more

Encryption and Decryption Data/Password in Angular

You can use crypto.js to encrypt data. We have used 'crypto-js'.   Follow the below steps, Steps 1 –  Install CryptoJS using below NPM commands in your project directory npm install crypto-js --save npm install @types/crypto-js –save After installing both above commands it looks like  – NPM Command  1 ->   npm install crypto-js --save NPM Command  2 ->   npm install @types/crypto-js --save Steps 2  - Add the script path in “ angular.json ” file. "scripts" : [                "../node_modules/crypto-js/crypto-js.js"               ] Steps 3 –  Create a service class “ EncrDecrService ” for  encrypts and decrypts get/set methods . Import “ CryptoJS ” in the service for using  encrypt and decrypt get/set methods . import  {  Injectable  }  from ...
Read more

How To convert JSON Object to String?

To convert JSON Object to String - To convert JSON Object to String in JavaScript using “JSON.stringify()”. Example – let myObject =[ 'A' , 'B' , 'C' , 'D' ] JSON . stringify ( myObject ); ü   Stayed Informed –   Object Oriented JavaScript Interview Questions I hope you are enjoying with this post! Please share with you friends!! Thank you!!!
Read more

Cache Busting with Angular and Angular CLI

Cache Busting -  Run the below command in your project directory - ng build -- prod The above command is used to enable cache busting by default with Angular CLI. This command can take a few minutes based on your project size. Stayed Informed – Angular 4 and Angular 5 Documents Steps for Cache busting with Angular and Angular CLI - ·          C:\Users\Viaindia>d: ·          D:\>cd Angular ·          D:\Angular>cd PipeApps ·          D:\Angular\PipeApps>ng serve --open ** NG Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **  10% building modules 8/10 modules 2 active ...e}!D:\Angular\PipeApps\src\styles.csswebpack: wait until bundle finished: /            ...
Read more