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Rostyslav Demush

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Top Stories by Rostyslav Demush

How much does it cost to make an app is almost as popular a question as it is confusing. No one tries to learn the exact costs of, say, making a movie: people realize that there's an overwhelming amount of variables involved on which they depend. But almost every day a new inquiry is posted on a tech forum, Quora, or Reddit, as to how much it'd take to build a mobile business app. Such calculation, in many ways, is even harder to make. Is there a way to tackle the question properly? First we want you to understand that any exact figures couldn't possibly be given straight away, without the details, and that all the so-called online app development cost calculators are, essentially, just marketing baits. That said, there is still some info you can analyze to get a frame of reference; to get a rough idea about a budget you can squeeze an app in. Here's what you should ... (more)

Internet of Blockchains | @ExpoDX #FinTech #Blockchain #Hyperledger #Bitcoin #Ethereum

Internet of Blockchains: How Networks of Distributed Ledgers Will Enable Scalability and Cross-Chain Value Exchange A few years ago – in the early days of Blockchain – a lot of people were taken with the idea of a multifunctional chain on which all transactions could be handled. After Ethereum was launched in 2014, its advocates were talking themselves hoarse about the transformative opportunities the platform introduced. Decentralized applications, they predicted, along with all sorts of value transfers would be executed exclusively on Ethereum from that point on, and no other... (more)

UI And UX Design Expained. And What It Means to Your Business

In a tech world when it comes to design, terms UX and UI go hand in hand. You can often hear people talking about a good UI of an app or a weak UX design of a website. So what are UX and UI? Just some fancy terms cool designer kids are using? What is the difference between them or is it the same thing? And more importantly, what’s in it for you and your business? UX Design vs UI Design: Know Your Acronyms UX and UI are two areas of design that are often confused. UX stands for ‘User Experience’ and UI means ‘User Interface’. The two terms have been widely used and overused and to... (more)

The Mystery of MVP Paradox

The concept of ‘Minimum Viable Product (MVP)’ has been made widely popular by The Lean Startup movement and is religiously used by everyone ever since. Enterprises are taking a page out of Eric Reis’s book and trying to adapt and adopt some of its best practices, MVP being one of them. But the problem and paradox of MVP is that in order to succeed in a modern digital world, it should be neither just minimum nor simply viable. Which also rises a question whether ‘MVP’ is still the right term to use. Today we dive deeper into why large companies should go with this strategy and unc... (more)

How Decentralized Exchanges Enable Trustless Trade on Blockchain Networks

For the longest time, people used to trade tokens and cryptocurrencies in centralized exchanges. It was convenient: the exchanges matched and executed orders automatically and provided a processing speed which most blockchains could never pull of – not with their complex block validation. But, at the same time, they were vulnerable as, in fact, all centralized databases are. ShapeShift, Cryptsy, Colbitex, Coinflip… it’s hard to even to count all the traditional exchanges that either fell victim to hacking or were shut down by regulators over the last few years. And this caused u... (more)