Do we need “closed” blockchains?
0 Comments8 Minutes
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…
Hyperledger Fabric chaincode performance. Node.js vs Java.
0 Comments9 Minutes
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.
The rise of Hyperledger blockchain army.
0 Comments9 Minutes
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.
1-Week-Aepp-Challange. Day 6: Logonity 1.0 Alpha overview and features
0 Comments6 Minutes
Complete dapp in 1 week! Day 4: Logonity 1.0 - decentralised logo marketplace (dapp) based on Aeternity blockchain. Overview (live version) and features.
1-Week-Aepp-Challange. Day 5: Dapp client, contract use and security.
0 Comments12 Minutes
Complete dapp in 1 week! Day 5: the client side of the aepp (Aeternity based dapp) overview, smart contract interactions and security concerns.
Bitcoin for the spirit.
Blockchain for the tech.
I create substantive content on blockchain, at the intersection of technology, economics, sociology and even politics.
I’m blockchain engineer – sharing my tech expertise, ideas and critical thoughts.
Lessons learned from 1400 Bitcoins loss
The recent news about 1400 bitcoins loss caused a lot of buzz: the amount of Bitcoins worth about 16.3 million $, not any kind of exchange hack, all happened using Electrum wallet - one of the oldest and still very popular Bitcoin wallet. I share the lessons which could be learned from that story.
0 Comments13 Minutes
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 using peer binary or SDK) will not work. In this article I show how to deploy…
0 Comments10 Minutes
Truffle Suite – Ethereum developer toolbox: Truffle.
Truffle Suite is the tool pack dedicated to Ethereum developers (focusing on smart contracts). That very actively developed project is currently one of the most popular frameworks for implementing, testing and running Ethereum based decentralized applications. In this article: I will describe the Truffle Suite tools; I will…
0 Comments15 Minutes
Bitcoin for the spirit.
Blockchain for the tech.
I create substantive content on blockchain, at the intersection of technology, economics, sociology and even politics.
I’m blockchain engineer – sharing my tech expertise, ideas and critical thoughts.