How to deploy chaincode in Hyperledger Fabric 2.0?

With the new release of Hyperledger Fabric 2.0 the lifecycle of chaincode has been changed. It implies also the changes in the chaincode deployment process - what basically means that commands used to deploy chaincode in < 2.0 release (no matter if…

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0 Comments10 Minutes

public-vs-private-blockchain

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…

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0 Comments11 Minutes

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…

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0 Comments8 Minutes

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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0 Comments9 Minutes

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…

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0 Comments9 Minutes