Table Of ContentsBlockchain: business scenarios and practical use casesIBM Food Trust: another blockchain business use caseSovrin, a new frontier for Digital IdentityIBM World Wire, because money matters... When thinking about blockchain business … Read more
Blockchain Developer
The Blockchain Developer is specialized in blockchain based technologies. He can work in different fields, particularly in banking and finance. He is highly skilled in non-relational databases, such as NoSQL, the main open source Blockchains and the basics of cryptography and object-oriented programming (OOP), such as Solidity, JavaScript, Node.Js and Front-End Frameworks such as Angular JS and React JS. Data security and decentralized technologies are the focus of a Blockchain Developer. The main features required for this role are: Implementation of new Blockchains, integrate Blockchain services, implement Smart Contract.
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Creating the interface of a smart contract
Table Of ContentsIntroductionSmart contract: building a simple interface Introduction In the previous articles of this series, we learned how a basic contract is made, and we found that Ethereum Studio is a simple and easy way to develop and … Read more
The Convergence of IoT and Blockchain is Transforming Industries
If you step outside the notion of blockchain facilitating new currencies, it's fair to say that when you are looking for real-world use cases of blockchain technological, the combination of blockchain and IoT (and other technologies) offers the most … Read more
The blockchain security risks that you don’t hear about
Table Of ContentsSecure by designPitfallsConclusion If you think Blockchain is secure, this talk from two experts on the matter will make you think again. Dr Melanie Rieback - CEO of Radically Open Security - and Dr Klaus Kursawe - GridSec.org - … Read more
Change to the most in-demand job of 2020: Blockchain Developer
Last month, LinkedIn published a list of the most in-demand skills for the new year, with blockchain leading the top-ten list. In 2019, blockchain didn’t make the list at all. Blockchain also ranked as the most in-demand skills in the United States, … Read more
A simple contract in Solidity
After choosing the best IDE to develop our first smart contract, we will now write some actual code. This is part three of a series on how to create an ERC-20 token. If you want to begin from scratch, please read part one and part two of this … Read more
Solidity, “hello world” with the Blockchain language
In a previous article, we introduced the basic concepts of the Ethereum Blockchain, including a quick overview of the ERC-20 tokens. In this article, we will dive into Solidity, the programming language used to interact with the Ethereum Blockchain. … Read more
Algorand’s “Layer-1 policy” can surpass state-of-the-art Blockchain solutions
First generation Blockchain solutions handled a reliable quasi-anonymous payment service between two network IDs. After that, the next evolutionary step was the definition of smart contracts: adding a programmable engine (a general-purpose Virtual … Read more
Cogito: identity management and blockchain in healthcare
Blockchain technologies are changing the way to implement new software solutions. However, its techie and money-based beginnings result in an uncomfortable user interface. Moreover, the need for personal management of own identity data is rapidly … Read more
What is an ERC-20 token: an overview
This article is the first of series to teach you how to develop a simple smart contract on the Ethereum Blockchain. But before starting with more technical information, we need to be sure that everyone is on the same page. This first chapter gives … Read more
Blockchain in JavaScript with Lisk Alpha SDK
Blockchain has witnessed a growing interest in the last few years. And this is not a surprise. Thanks to this technology, you can create transactions that are then included in a distributed database. Such database is distributed in a peer-to-peer … Read more
Interview with Sebastian Porsdam Mann
What has philosophy got to do with cryptocurrency? As a Postdoctoral Research Fellow at Harvard Medical School, with a Cambridge degree in philosophy, psychology and neuroscience, Sebastian Porsdam Mann's theory is probably worth a listen. At … Read more
Algorand and the solution to the blockchain trilemma: security, scalability, and decentralization
If you’re into blockchain technology or follow cryptocurrencies you may have heard of Algorand, the new blockchain platform founded by Turing Award winner, MIT teacher and zero-knowledge proof creator, Silvio Micali. Algorand is a Boston-based … Read more
Interview: Antimo Musone – Build Blockchain
Interview with ANTIMO MUSONE About the Talk "BUILD BLOCKCHAIN" Presented to the IBM CLOUD ITALIA community On 19/03/2018 Hi Antimo. Tell us who you are and which communities you belong to. Hi everyone. My name is Antimo, I'm a computer engineer and … Read more
Algorand, Silvio Micali’s instant blockchain consensus over a crypto-empowered protocol
“The blockchain does not exist!” This kicked off the beginning of the conference held by Silvio Micali, the mind behind the Algorand proposal, at the Data Driven Innovation Conference in Rome, on May 10, 2019. Silvio Micali on stage at Data Driven … Read more
Audrey Chaing – A Woman in Blockchain
Blockchain. BitCoins. CryptoCurrency. All words we are hearing more and more about. A new Industry getting stronger and stronger. Startups popping up from the States to Asia, more and more values traded every day, more and more traders, more and more … Read more
The Lightning Network: from seven to 7,000 transactions per second
The Lightning Network is a path to improve Blockchain’s speed capabilities. One of the networking meetings proposed by Codemotion is the Aperitech event. At Codemotion Rome 2019, the event structure was different than usual, due to time constraints … Read more
Lightning Network, the second layer of Blockchain is ready
Blockchain: wherever it’s spoken, wherever it’s discussed, many argue about the economic aspects of cryptocurrency. But what exactly is blockchain technology? During his talk at Codemotion Milan 2018, Paolo Moro explained to us in detail the nature … Read more
Tutorial: connecting an ESP-12 device to the snap4city network
Snap4city enables you to quickly deploy smart city applications by accessing real time data from thousands of real sensors located in several cities. In a previous article, we saw how we can expand the Snap4city network by adding our own IOT sensor … Read more
Things to know to become a Bitcoiner
Hello Umberto. You are the co-founder of the Blockchain Education Network in Italy and you recently gave a talk on how to become a Bitcoiner. We wanted to ask you to share with us what you spoke about during your talk, as the word Bitcoin has … Read more