Author: Alonzo Collins

Share and get +16 +16 Samer Falah, Head of Quorum Blockchain Engineering, JPMorgan Chase Bank, N.A. * Imran Bashir, Quorum Engineer, JPMorgan Chase Bank, N.A. *IntroductionQuorum® is an enterprise blockchain platform. It is a fork of the public ethereum client ‘geth’ with several protocol level enhancements to support business needs. The primary purpose of the Quorum project is to develop an enterprise ethereum client which empowers businesses to embrace and benefit from blockchain technology. As Quorum is an open-source project, the code base of the platform is open for anyone to audit, which promotes trust in the platform. Open-sourcing further increases adoption and attracts developers from different industries to participate in the development of this platform.Blockchain and enterprise...

Share and get +16 +16 blockchain oracles are third-party services that provide smart contract with external information. They serve as bridges between blockchains and the outside world.Scalability and interoperability are often considered the two holy grails of the crypto space. Interoperability is defined as the ability of different softwares to communicate and exchange information with each other effectively. Oracles are a powerful tool that can provide interoperability between different blockchains and communicate with external data sources.Why interoperability is importantThere are several centralized points of failure currently within the decentralized space. Eg. The exchanges act as a portal between the centralized and the decentralized space. However, since they are highly vulnerabl...

Share and get +16 +16 This article will analyze the developments about Blockchain evidence and courts in the USA, China, Azerbaijan, the United Kingdom and Italy.A number of major jurisdictions across the globe have recently addressed the issue of the admissibility of evidence recorded on blockchain in courts. These developments have taken place in a number of ways; some jurisdictions have passed new laws to specifically regulate the legal recognition of blockchain evidence, others have amended existing laws, while certain jurisdictions have published statements clarifying their regulation under existing law.Blockchain Evidence and CourtsUSAThe Federal Government of the United States has not exercised its constitutional power to implement legislation regulating the admissibility of blockch...

Share and get +16 +16 Initial Coin Offering (ICO) is the cryptocurrency’s world public crowdsale. Whenever a project wants to launch a new coin or dApp, they can conduct an ICO to attract investors into their ecosystem.ICO DefinitionThe most alluring part of ICOs is the lack of red tape and formality. More often than not, a company simply has to submit a whitepaper to qualify for an ICO. Companies have been able to raise millions of dollars in mere seconds, thanks to ICOs.In fact, the amount of money that ICOs have raised over the last two years is truly astonishing. In 2017, ICOs raised a total of $5.6 billion. If that sounds shocking to you then think about this.ICOs have already raised $6.3 billion, 4.5 months into 2018 alone!After seeing all these stats, it makes sense as to why more a...

Share and get +16 +16 If you want to know what is ethereum, how it works, and what it can be used for, without going deep into the technical abyss, this guide is perfect for you.Ethereum is a global, decentralized platform for money and new kinds of applications. On Ethereum, you can write code that controls the money, and build applications accessible anywhere in the world.Is Ethereum better than Bitcoin?Beyond Bitcoin & first-generation decentralized applicationsAlthough commonly associated with Bitcoin, blockchain technology has many other applications that go way beyond digital currencies. In fact, Bitcoin is only one of several hundred applications that use blockchain technology today. Until relatively recently, building blockchain applications has required a complex background in...

Share and get +16 +16 Different Blockchains  Smart contracts and the blockchain technology are all the rage right now. More and more people are trying to get into this amazing space for one reason or another. If you are new to this technology and are looking for a quick primer on blockchain-based developing platforms then this guide is perfect for you. The platforms that we are going to be focussing on and comparing are:Different BlockchainsBlockchain Battle: Ethereum vs Cosmos vs Cardano vs EOS vs Hyperledger So, why have we decided to focus on these 5? We feel that this group gives a healthy mixture of usability and functionality. Yes, we know that some of these projects are not exactly live, but we still feel that the potential of the projects is enough to warrant a place on our list. W...

Share and get +16 +16 There are a lot of options on how to buy Bitcoin, available in nearly every country of the world from, Gift cards, bitcoin ATMs, local Traders, broker, exchanges:  Our ultimate guide explains, how to buy Bitcoin anywhere in the world.Maybe you heard about this crazy cryptocurrency Bitcoin. The future of money, the revolution of payment, the digital gold, slayer of capital controls, holy grail of Fintech. Now you maybe want to know more. The best way to learn is just to try it. Buy a Bitcoin, pay with it, store it in your digital wallet, watch the price rise or go down. But where can you buy it? And how?For many people, the first acquisition of a Bitcoin is a terrifying process. It seems so complicated. But actually, it is not. There are a lot of options to easily, fas...

Share and get +16 +16 In this guide, you will learn What are ethereum Nodes And Sharding. If you’d like to learn even more, please take a look at our blockchain courses.If you have been active in one form or another in cryptocurrency for the last year then you would know that there has been one issue which has plagued both bitcoin and Ethereum: Scalability.Bitcoin has somewhat addressed this issue by activating Segwit and by hard forking into Bitcoin Cash. Ethereum, however, is trying to solve this issue in a different way. One of the many protocols that they are looking to activate, as they go into the next phase of their growth, is “sharding”. Before we understand what that means, we need to have a thorough understanding of networks and nodes. ethereum Nodes And Sharding?” width=”1200″ h...

Share and get +16 +16 Blockchain And Supply Chain: A Dynamic Duo. The life cycle of a product is an intriguing one. The next time you’re buying something in the supermarket, think of what all it went through to get in your hands. Think about where all the raw materials came from, who all transported the raw material to production plant where it was created, and how it eventually got packaged and ended up in the very shop where you are buying it right now. Blockchain and supply chainAs you may have guessed, your product goes through a lot of processes and middlemen. This system of organizations, people, activities, information, and resources involved in moving a product or service from supplier to customer is called “supply chain”.If you’re interested in diving deeper into supply chain and ...

pragma solidity 0.4.18; import "./Vehicle.sol"; contract VehicleOwner { address public owner; mapping(bytes32 => address) public vehicles; event NewVehicleAdded(address indexed newVehicle, uint256 timestamp); function VehicleOwner() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); _; } function createNewVehicle(string model, string make, bytes32 vin) public onlyOwner { address newVehicle = new Vehicle(model, make, vin); vehicles[vin] = newVehicle; NewVehicleAdded(newVehicle, now); } } So, let’s go line and by line and understand what is happening here. Code: pragma solidity 0.4.18; An...