Public vs private blockchains. What's the difference?

Private and public blockchains. What is the difference?

Public blockchains can be used by everyone. Private blockchains can be used by selected group of participants. This is the most basic and overall difference between public and private blockchains. What is the real difference based on?

What are the concrete differences between public and private blockchains?
Who can be the user of public and private blockchain?

I invite you to read the article.


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lisk-development

Implementing own sidechain using Lisk.

Lisk is dedicated to develop custom blockchain based applications using Javascript. After Alpha SDK release it's possible for developers to prototype first custom applications. Technology is awaited by project investors since some time already. In that article I would like to go through the process of installing Lisk and all dependent technologies and then create and run own Lisk blockchain application.

How looks like the Lisk Alpha SDK application development process?
How looks like the code of custom blockchain?
What are the possibilities and potential of Lisk technology?

I would like to present software engineer point of view and describe both the positive and negative aspects.


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Ethereum 2.0 sharding

What is sharding in upcoming Ethereum 2.0?

Sharding is going to be scalability solution in upcoming Ethereum 2.0 and the enhancement hope for many other blockchains. Scalability is the speed key factor of the blockchain. This word is used to describe all the technology solutions which have the major goal: processing more transactions per second. Currently Bitcoin process about 3-7 transactions per second and Ehtereum about 7-15. With shards this result would be much increased.

What are the reasons of limited blockchain efficiency?
What's the main, basic idea of sharding?
What's the Blockchain Trillema?

I'm explaining in this article.


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ethereum-studio-ide

Ethereum Studio – new web dapps IDE

The news about releasing the Ethereum Studio developer environment was today published on the Ethereum blog. How does look like the new IDE and can it compete with popular RemixIDE? Let's take a look on the new tool and check what it offers.


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lisk

Lisk – short genesis and current ecosystem

Lisk is one of the blockchain projects, whose primary focus is to enable building highly efficient blockchain based applications (dapps). The term "Lisk" at the moment can be called to describe the Lisk Core blockchain (with the native LSK cryptocurrency) and the SDK for building blockchain applications. The project is developed already few years, but the Alpha SDK version of Lisk is quite fresh.
Let's make short overview of the project genesis (history) and the current state.


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closed-blockchain

Do we need “closed” blockchains?

The blockchain technology spreads. Mainly this can be visible in the context of cryptocurrencies popularity gain (which can be noticed by rising Bitcoin price). Blockchain became useful or even created plenty of new branches like tokenization which who knows - maybe will revolutionize the investments and the way we represent the ownership in general.


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fabric-engine

Hyperledger Fabric chaincode performance. Node.js vs Java.

Choosing the right technology can impact development process and among the others: the performance of the solution. I would like to compare the performance of the Hyperledger Fabric chaincode implemented in the Node.js and Java.


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hyperledger-army

The rise of Hyperledger blockchain army.

Entering the Blockchain world you can be sure, that sooner or later you will hear about the Hyperledger. Even if the blockchain technology is most often related to Bitcoin or Ethereum as the grandfathers of that technology, Hyperledger is very important player which grows stronger very fast.


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QuasarTool

10 reasons Quasar is great tool for Vue.js

In one of my last projects first time I used Quasar and here I would like to share 10 reasons why I think it's good tool to be base of any Vue.js project.


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Nginx Background

Setup frontend application on Nginx in 5 minutes.

Nginx is popular web server used to serve static resources of the web app (client sources). I will explain how to setup Nginx as the static content resources web server and how to configure it as the reverse proxy (connect client with backend) on Linux system. Basically how to setup frontend + backend with the Nginx on Linux.


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