A Blockchain Freelance Platform Built With Solidity, React, Polygon

MeDo

MeDo is a prototype of a freelancing platform which stores it's data on blockchain.

Application deployed on Spheron Network at https://medo-5jefp3.spheron.app/, currently running on Mumbai testnet. Smart Contract deployed at address 0x3aD0caD9E7Fb1A7A46F6F0665bbC97BdfDdaD740.

Introduction

The idea of MeDo is to ease the difficulties faced by freelancers nowadays such as unsurity about payments and high fees charged by middlemen. Blockchain can help by guaranteeing payments with help of smart contracts, providing security and an integrated payment system which can save time delays and fees in cases of international payments and its decentralized nature mean there is no middleman.

Install

1. Run npm install at the root of your directory
2. Run yarn at the client directory to install the client dependencies

Test

Run npx hardhat test at the smart_contract directory to run smart contract tests

Deploy contract

Run npx hardhat run scripts/deploy.js --network matic at the smart_contract directory to deploy the smart contract

Prepare the client

1. Replace the cotract address in the utils/constants.js with the new deployed one
2. Replace conractABI.json with the contract json from smart_contract/artifacts/contracts/{your_contract}/{your_contract}.json

Run client

Run yarn dev at the client directory to run the client locally

Download details:

Author: vadkutsen
Source code: https://github.com/vadkutsen/medo

#solidity #smartcontract #ethereum #blockchain #polygon

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How native is React Native? | React Native vs Native App Development

If you are undertaking a mobile app development for your start-up or enterprise, you are likely wondering whether to use React Native. As a popular development framework, React Native helps you to develop near-native mobile apps. However, you are probably also wondering how close you can get to a native app by using React Native. How native is React Native?

In the article, we discuss the similarities between native mobile development and development using React Native. We also touch upon where they differ and how to bridge the gaps. Read on.

A brief introduction to React Native

Let’s briefly set the context first. We will briefly touch upon what React Native is and how it differs from earlier hybrid frameworks.

React Native is a popular JavaScript framework that Facebook has created. You can use this open-source framework to code natively rendering Android and iOS mobile apps. You can use it to develop web apps too.

Facebook has developed React Native based on React, its JavaScript library. The first release of React Native came in March 2015. At the time of writing this article, the latest stable release of React Native is 0.62.0, and it was released in March 2020.

Although relatively new, React Native has acquired a high degree of popularity. The “Stack Overflow Developer Survey 2019” report identifies it as the 8th most loved framework. Facebook, Walmart, and Bloomberg are some of the top companies that use React Native.

The popularity of React Native comes from its advantages. Some of its advantages are as follows:

• Performance: It delivers optimal performance.
• Cross-platform development: You can develop both Android and iOS apps with it. The reuse of code expedites development and reduces costs.
• UI design: React Native enables you to design simple and responsive UI for your mobile app.
• 3rd party plugins: This framework supports 3rd party plugins.
• Developer community: A vibrant community of developers support React Native.

Why React Native is fundamentally different from earlier hybrid frameworks

Are you wondering whether React Native is just another of those hybrid frameworks like Ionic or Cordova? It’s not! React Native is fundamentally different from these earlier hybrid frameworks.

React Native is very close to native. Consider the following aspects as described on the React Native website:

• Access to many native platforms features: The primitives of React Native render to native platform UI. This means that your React Native app will use many native platform APIs as native apps would do.
• Near-native user experience: React Native provides several native components, and these are platform agnostic.
• The ease of accessing native APIs: React Native uses a declarative UI paradigm. This enables React Native to interact easily with native platform APIs since React Native wraps existing native code.

Due to these factors, React Native offers many more advantages compared to those earlier hybrid frameworks. We now review them.

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A Blockchain Freelance Platform Built With Solidity, React, Polygon

MeDo

MeDo is a prototype of a freelancing platform which stores it's data on blockchain.

Application deployed on Spheron Network at https://medo-5jefp3.spheron.app/, currently running on Mumbai testnet. Smart Contract deployed at address 0x3aD0caD9E7Fb1A7A46F6F0665bbC97BdfDdaD740.

Introduction

The idea of MeDo is to ease the difficulties faced by freelancers nowadays such as unsurity about payments and high fees charged by middlemen. Blockchain can help by guaranteeing payments with help of smart contracts, providing security and an integrated payment system which can save time delays and fees in cases of international payments and its decentralized nature mean there is no middleman.

Install

1. Run npm install at the root of your directory
2. Run yarn at the client directory to install the client dependencies

Test

Run npx hardhat test at the smart_contract directory to run smart contract tests

Deploy contract

Run npx hardhat run scripts/deploy.js --network matic at the smart_contract directory to deploy the smart contract

Prepare the client

1. Replace the cotract address in the utils/constants.js with the new deployed one
2. Replace conractABI.json with the contract json from smart_contract/artifacts/contracts/{your_contract}/{your_contract}.json

Run client

Run yarn dev at the client directory to run the client locally

Download details:

Author: vadkutsen
Source code: https://github.com/vadkutsen/medo

#solidity #smartcontract #ethereum #blockchain #polygon

Tangle vs Blockchain: Difference Between Tangle & Blockchain

Cryptocurrency is a digital medium of exchange that uses encryption to send and receive money. The most frequently utilised cryptocurrency for which Blockchain technology was created is Bitcoin. Despite the fact that Blockchain has been the standard cryptocurrency technology for the past few years, concerns about speed and scalability have led to the creation of other solutions.

Tangle is a relatively young cryptocurrency. In this essay, we’ll look at the latest dispute between Tangle and Blockchain to see which is the better option.

What is Blockchain?
Blockchain is a transaction ledger that is cryptographically secure. Bitcoin, Litecoin, and Ethereum, as well as other cryptocurrencies, are all accepted. The ledger is made up of transaction blocks that are cryptographically connected to each other. Each block is linked to the previous one, preserving the ledger’s whole history.

All of the machines involved in these transactions are known as nodes. Each node authenticates transactions independently. This means that after both nodes have confirmed a transaction, it can proceed.

Want to learn more about Blockchain Technology? Blockchain certification courses could be the best to get started with.

What is Tangle?
Tangle is a bitcoin transaction technology that works in a similar fashion to Blockchain. Here, a directed acyclic graph (DAG) is used, which is similar to a distributed ledger. DAG is not governed by any external entity, such as a bank or a financial organisation.

Tangle is IoT-friendly, which is the cherry on top (Internet of Things). The Internet of Things (IoT) is a network of interconnected devices that can exchange data and communicate with each other. Tangle will be able to conduct large-scale transactions between multiple linked devices swiftly and seamlessly as a result of this.

What are the differences between a tangle and a blockchain?

Structure — A blockchain is made up of a lengthy, ever-growing chain of nodes, or data blocks, each one linked to the one before it. A tangle, on the other hand, is made up of data nodes that all flow in the same direction. And, unlike blockchain, which may technically loop back on itself in a circular pattern, the tangle can only go in one direction at a time and cannot reverse. This enables speedier data transport.

Security – Due to its arduous block-formation process, which involves the solution of a mathematical problem and verification through group consensus, blockchain has a higher level of security. Before a device can complete its own transaction and thus create a data node, it must first validate two previous transactions. The tangle is less secure than blockchain due to this less robust procedure.

Decentralization — Both blockchain and the tangle are decentralised systems, which means they are free of outside meddling and the fees and hurdles that come with it. The tangle, however, has had to erect a safety net, which it refers to as a “coordinator node.” This node effectively puts a centralising aspect into the tangle’s structure, putting to rest claims that it allows for entirely independent, uninterrupted transactions between IoT units.

Wrapping up

In this case, blockchain has a clear advantage. It’s significantly more secure than Tangle and supports decentralised apps. Blockchain is becoming more popular among businesses and users for cryptocurrency transactions.

Tangle is still in its infancy and has faults. The technique can’t be labelled truly decentralised because it relies on a central coordinator node. This node checks that transactions are genuine, however Tangle data is not entirely self-contained in this regard. Because the node addition protocol is less precise than Blockchain, it is also less secure.

#blockchain technology #blockchain professionals #blockchain platform #blockchain platform #blockchain council

Blockchain Certification | Blockchain Training Course | Blockchain Council

In all the market sectors, Blockchain technology has contributed to the redesign. The improvements that were once impossible have been pushed forward. Blockchain is one of the leading innovations with the ability to influence the various sectors of the industry. It also has the ability to be one of the career-influencing innovations at the same time. We have seen an increasing inclination towards the certification of the Blockchain in recent years, and there are obvious reasons behind it. Blockchain has everything to offer, from good packages to its universal application and futuristic development. Let’s address the reasons why one should go for Blockchain certification.

5 advantages of certification by Blockchain:

1. Lucrative packages- Everyone who completes their education or upskills themselves wants to end up with a good bundle, not only is one assured of a good learning experience with Blockchain, but the packages are drool-worthy at the same time. A Blockchain developer’s average salary varies between $150,000 and $175,000 per annum. Comparatively, a software developer gets a $137,000 per year salary. For a Blockchain developer, the San Francisco Bay area provides the highest bundle, amounting to $162,288 per annum. There’s no point arguing that learning about Blockchain is a smart decision with such lucrative packages.

2. Growing industry- When you select any qualification course, it becomes important that you choose a growing segment or industry that promises potential in the future. You should anticipate all of these with Blockchain. The size of the blockchain market is expected to rise from USD 3.0 billion in 2020 to USD 39.7 billion by 2025. This will see an incredible 67.3 percent CAGR between 2020-2025. To help business processes, several businesses are outsourcing Blockchain technologies. This clearly demonstrates that there will be higher demand in the future for Blockchain developers and certified Blockchain professionals.

3. Universal application- One of the major reasons for the success of Blockchain is that it has a global application. It is not sector-specific. Blockchain usage cases are discovered by almost all market segments. In addition, other innovations such as AI, big data, data science and much more are also supported by Blockchain. It becomes easier to get into a suitable industry once you know about Blockchain.

**4. Work protection-**Surely you would like to invest in an ability that ensures job security. You had the same chance for Blockchain. Since this is the technology of the future, understanding that Blockchain can keep up with futuristic developments will help in a successful and safe job.

**5.**After a certain point of your professional life, you are expected to learn about new abilities that can help enhance your skills. Upskilling is paramount. Upskilling oneself has become the need for the hour, and choosing a path that holds a lot of potential for the future is the best way to do this. For all computer geeks and others who want to gain awareness of emerging technology, Blockchain is a good option.

Concluding thoughts- opting for Blockchain certification is a successful career move with all these advantages. You will be able to find yourself in a safe and secured work profile once you have all the knowledge and information. Link for Blockchain certification programme with the Blockchain Council.

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Top 5 Blockchain Platforms to watch for in 2021

The increasing demand for Blockchain technology has led to the surge in demand for Blockchain professionals, and its increasing use cases have made different businesses realize its potential. Hence, many of the big names are actively investing in exploring different avenues of this technology.

Blockchain is a distributed ledger technology that provides a decentralized platform where information exchange occurs without third-party intervention. When we talk about Blockchain platforms, you would have noticed that there are different platforms, some of which are public, while others are permissioned. The latter is the area of interest for most of the banking institutions in the present scenario. There is a growing talk about permissioned Blockchain platforms because they are highly secure, and it has its members authorizing the exchange.

These platforms allow the Blockchain development based applications and some of the interesting ones include Ethereum, Hyperledger, Corda, R3 and EOS. These are only a handful of names, while there are many others in the making and others are in use. If you are still wondering why you need to invest in Blockchain platforms, then you have to take into account the benefits that these platforms offer:

1. Check what type of Blockchain platform will be best for your business
2. What kind of languages does it support
3. Check the reputation of the platform
4. Don’t miss to check the scalability of the platform

Top 5 platforms that you should be looking forward to:

Stellar: This is a distributed ledger platform that allows the exchange of assets. It allows exchange between fiat currencies and cryptocurrencies. This platform can be used for smart devices, mobile wallets and banking tools.

Tezos: The next in our list is Tezos which is linked to digital token Tozzi. However, you must know that this platform is not based on the mining of Tez. The users are rewards for participating in the proof-of-stake consensus mechanism.

Hyperledger fabric: This is a popular name, and was developed by Linux Foundation. It is a permissioned Blockchain platform that aims at providing an enterprise-level solution.

Hyperledger Sawtooth: This platform was launched by Linux and contributed by IBM and digital assets. It offers an enterprise-level solution. This platform has been created to execute distributed ledgers, which helps maintain digital records without any central governing authority.

Ripple: It came into existence in 2012. This platform has been developed to connect different payment providers, banks and digital asset exchanges via the Blockchain network. The global payments take place via XRP or Ripple.

This is built on advanced Blockchain technology, and Ripple is faster and more scalable than other Blockchain.

These are some of the popular Blockchain platforms that have garnered a lot of attention from the investors and companies.

The way ahead:

In the times to come, we will witness a rise in the demand for Blockchain experts and Blockchain developers who will help in leveraging Blockchain technology for the growth of the business. If you want to learn more about Blockchain technology and its benefits, this is the right time to begin. Connect with the Blockchain Council to know more about the various certification programs in the Blockchain domain.

#blockchain platform #blockchain technology #blockchain expert #blockchain training #blockchain council