Understanding the concept of Private Key, Public Key and Address in Ethereum Blockchain

Before we get deeper into the concept of Ethereum Blockchain, it is important to understand how Public Key, Private Key and Address are generated. To make this easier for beginners, I am trying to explain the technical concept with an example. Ethereum key generation is based on elliptical curve ecp256k1. Eliptical curve (EC) is intense mathematics, and there are a lot of great articles on internet covering deep details of elliptical curve. There are standard...

Introduction To Litecoin Wallets

After Bitcoin came into the world markets, we also got another cryptocurrency called Litecoin which is abbreviated as LTC or XLT. In this article I'll be referring to Litecoin as LTC. What is Litecoin? Well, Litecoin is a peer-to-peer cryptocurrency and an open source project created in October 2011. It has been inspired by Bitcoin in most aspects but was introduced with some technical differences such as segregated witness and lightning network (currently BTC too...

Certificate on IPFS and Ethereum

We are going through a very exciting phase of technological transformation. Blockchain community is re-designing a lot of existing use cases and trying to solve a lot of unsolved use cases with the help of decentralized, peer-to-peer technology. Certificate generation and verification is one of the uses cases which is being attempted to be gracefully handled by blockchain. Here is one of the possible approach using Ethereum and IPFS. Step 1: Every certificate issuer is...

How to select the best Ether wallet?

Ha! Everybody knows what a wallet is (at least I hope everyone does :P). It’s a place where people store their cryptocurrency. In the crypto world, A cryptocurrency wallet is a secure digital wallet used to store, send, and receive digital currency like Bitcoin and Ethereum. Bitcoin has been established for a significant period of time. On the other hand, Ethereum currently has the second largest market cap after Bitcoin. Because of this, many...

Introduction to Byzantium and Constantinople

In recent days, with various articles at EtherWorld, we've already covered - Metropolis: Ethereum Hardfork, Introduction to Byzantium. Let us quickly drive into another section, exploring more about the phases of Metropolis. Ethereum's next planned phase Metropolis is a case study into the multidisciplinary, dynamic, inner workings of how the decentralized application platform functions. Ethereum’s developers informed the world regarding the upcoming changes to the Ethereum ecosystem, which is the next milestone release for...

Metropolis Byzantium HF is here - FAQ for users

After long wait, Metropolis is finally here. Ethereum core developers have already succeeded the fork for Byzantium - The first Metropolis HF on the testnet a few weeks ago. The Ropsten test network underwent a hard fork on September 19, 2017 (UTC) at block number 1.7mil (1,700,000). A countdown timer can be seen at https://fork.codetract.io/. The Ethereum network will be undergoing a planned hard fork at block number 4....

Introduction To Bitcoin Cash Wallet

Bitcoin Cash Bitcoin Cash is a cryptocurrency which was created via a fork of the Bitcoin Network. Anyone who had Bitcoins with them before 1st August,2017 had an equivalent amount of Bitcoin Cash with them after the forking took place. People usually refer to Bitcoin Cash as BCH (or BCC). In this article, we'll be using the abbreviation BCH for Bitcoin Cash and BTC as an abbreviation for Bitcoin. This article will talk about...

METROPOLIS: ETHEREUM HARD FORK

Ethereum is an open-source, public, blockchain-based, distributed, computing platform featuring smart contract functionality. Since its creation, Ethereum has undergone some hardforking. The DAO hardfork subsequently led to other Ethereum forks two times in the fourth quarter of 2016, to deal with other attacks. By the end of November 2016, Ethereum had increased its DDoS protection, distended the blockchain, and prevented further spam attacks by hackers. With all the clamor regarding Bitcoin, Bitcoin Cash, the hard-fork...

Hyperledger Blockchain vs. Ethereum Blockchain

Hyperledger – a Linux foundation project: Hyperledger, a Linux Foundation project, is an open source community to help advance technology and thought leadership. It was originated from IT majors like IBM and Intel who saw the benefits of Blockchain technology in Bitcoin. They didn’t wanted it to be used for financial transactions, so, forced them to develop their own software. Since doing it separately would be a waste of resources, these companies centralized their software...

INTRODUCTION TO IPFS

Distributed. Hypermedia. Content-addressable. Identities. Permanent Web. These are a few terms that seem to get thrown around a lot these days when people talk about upcoming web technologies. If you too are confused like the majority of us, then here is the guide that will take you through each of these terms and explain how and why we need them. Let’s explore… IPFS IPFS stands for Inter Planetary File System. What is IPFS? It...

SMART CONTRACT : An Introduction

What is a Smart Contract? Smart Contract can be defined as a virtual agreement of a transaction/exchange of goods or assets that may or may not involve money. Its main role is for two parties to conduct a business transaction/trade, that can be digitally self-executed and self-enforced, acutely eliminating the need for a ‘middleman’. This would transfer power away from those who currently manage or verify transactions – a seismic change to the way...

A complete guide to understand Ethereum for beginners

What is Ethereum? Ethereum is a revolution in Blockchain Technology. It may sound a bit complicated for non-technical person, but it is designed and being upgraded to make our life much simpler. Ethereum is an open source blockchain platform with built in programming language that allows developers to write, test and execute their decentralized application (contract). Data stored on Ethereum blockchain can be viewed by anyone but one having the private key can access it,...

All about Bitcoin for beginners

The first name which flashes in our mind when someone says Blockchain or Digital Currency is Bitcoin. In my initial days of learning, when I tried talking to my friends about Blockchain technology many of them wouldn’t even have heard about it, the only name heard was Bitcoin. I think, today also in many part of the world Blockchain means Bitcoin. Since we are working on a series - ‘Cryptocurrency for beginners’, let’s...

An introduction to cryptocurrency wallet.

If you’re fascinated by cryptocurrency world and want to be a part of it, the first thing you need to do is to get a cryptocurrency wallet. To perform any transaction on blockchain, or trade any cryptocurrency, you must have a cryptocurrency wallet. What is a cryptocurrency wallet? A cryptocurrency wallet is a secure digital wallet used to store, send, and receive digital currency like Bitcoin, Ethereum and other altcoins. Just like physical wallet...

A beginner’s guide for ‘Cryptocurrency’

What is Cryptocurrency? Cryptocurrency, also known as Virtual Currency or Digital Currency is a medium of exchange that is created by and for the transaction over the blockchain. It consists of two terms ‘Crypto’ and ‘Currency’. The term ‘Crypto’ is the short form of ‘Cryptography’ which means the art and science of concealing the messages to introduce secrecy in information security. The word ‘cryptography’ was coined by combining two Greek words, ‘Krypto’ meaning hidden and...

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