The Java platform is a suite of programs that facilitate developing and running programs written in the Java programming language. A Java platform will include an execution engine (called virtual machines), a compiler and a set of libraries; there may also be additional servers and alternative libraries that depend on the requirements. Java is not specific to any processor or operating system as Java platforms have been implemented for a wide variety of hardware and operating systems with a view to enable Java programs to run identically on all of them. Different platforms target different classes of device and application domains.

Writing in the Java programming language is the primary way to produce code that will be deployed as byte code in a Java virtual machine (JVM); byte code compilers are also available for other languages, including Ada, JavaScript, Python and Ruby. In addition, several languages have been designed to run natively on the JVM, including Scala, Clojure and Apache groovy. Java syntax borrows heavily from C and C++, but object-oriented features are modeled after Smalltalk and Java eschews certain low-level constructs such as pointers and has a very simple memory model where every object is allocated on the heap and all variables of object types are references. Memory management is handled through integrated automatic garbage collection performed by the JVM.

There are three important types of concepts,


The name is very descriptive, don’t you think? If you have wondered how to create a bitcoin wallet and manage transactions between nodes, then you should give BitcoinJ. The project has a growing community and very good documentation, which makes it extremely lucrative for every developer. Of course, as most open source projects that try to gain popularity, it has limitations at the beginning. There are several known security issues aligned with open bugs and scalability problems. Still, it is extremely helpful if you want to understand how the Bitcoin protocol operates.


One word – Ethereum. It’s the second most talked-about cryptocurrency based on this cutting-edge technology. This Web3j project allows you to work with the Ethereum blockchain without the additional overhead of having to write your own integration code for the platform. Again, core features are creating a wallet; managing transactions, and this time, smart contract wrappers. Yes, you heard me – wrappers. Part of the Ethereum project is a special language called Solidity, which is a de-facto standard for creating smart contracts. Web3j’s smart contract wrappers are used if you want to avoid the underlying implementation details for working with smart contracts. If this is not enough for you as a developer, I need to tell you that Web3j is reactive. Good documentation along with plenty of examples makes web3j my personal favourite.

HyperLedger Fabric:

HyperLedger Fabric is where enterprise meets blockchain. The Linux Foundation’s framework intended as a backbone for developing blockchain solutions. This, my friends, should be considered a powerful tool no matter whether you want to create a simple PoC or a production application. The project is actively under development from the Linux Foundation members. Its main focus is on creating and managing smart contracts. Key features are:

  •  Managing channels for sharing confidential information
  •  Endorsement policies for transactions
  •  Consistent delivery of transactions to peers in the network

If you include HyperLedger Fabric in your software blockchain stack, then my advice is to get familiar with the other HyperLedger projects. Depending on your needs, you can select various HyperLedger projects that will guarantee a coherent, scalable, and easy-to-maintain blockchain infrastructure. For many people, blockchain will transform the whole Internet.

Scala Blockchain develops and delivers blockchain solutions for a multi-faceted business environment in Java programming language; With a strong team of Java experts and tech personal we strive to offer the best in class solutions and services.

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