Starting With Ethereum: Smart Contracts

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Starting With Ethereum: Smart Contracts DZone’s Guide to Starting With Ethereum: Smart Contracts In Part 4 of this series, we examine how to use the Solidity language and Ethereum blockchain to create and deploy smart contracts. by · · Free Resource Join the DZone community and get the full member experience. Join For Free This post is the fourth in a series dedicated to starting development with the Ethereum blockchain. The previous posts are: Let’s face it. For a smart contract, implementing an addition of two integers is not very “smart.” In this post, I’ll try to go beyond this former trivial example, and propose a simple but real use-case. As an example, let’s consider the business domain of a referendum. A Referendum Use-Case “A referendum is a direct vote in which an entire electorate is invited to vote on a particular proposal.” – Wikipedia To keep things simple for a blog post, there shouldn’t be too many requirements. Here are some very minimal ones: There are x votes per referendum. Let’s name such a vote a “voting token.” An account can submit multiple voting tokens. In other words, there’s no check whether an account submitted one or more tokens. …

Bitcoin Price Technical Analysis for 02/14/2018 – Sitting Tight for a Breakout

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Bitcoin Rate Key Highlights Bitcoin rate is currently consolidating, forming higher lows and lower highs inside a triangle pattern.Price is bouncing off assistance and might be due for a test of resistance soon.Technical signs are likewise suggesting that the bounce might occur, potentially even resulting in an advantage break.Bitcoin rate is discovering support at the bottom of its triangle debt consolidation and may be due for a relocation past the resistance if buyers are strong enough.Technical Indicators Signals The 100 SMA is above the longer-term 200 SMA to validate that the path of least resistance is to the upside. This suggests that support is most likely to hold than to break. It could likewise show that the top of the triangle might be broken.In addition, the 100 SMA is presently holding as dynamic support and keeping losses in check as it lines up with the triangle bottom. A break past the $8,000 level might be sufficient to signify a bullish break and further gains.Stochastic is pointing up to indicate that buyers are in control of bitcoin rate action while RSI also seems to be turning north. Nevertheless, striking overbought levels could draw sellers back in and cause a return to …

Streetwise newsletter: Ethereum unswayed by choppy markets; how blockchain can assist the CSE

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Going public: This month’s stock cost correction and cryptocrash will not stop one of Canada’s most fiercely anticipated digital currency funding deals from going to market. Story (Sean Silcoff, for subscribers)Blockchain: The Canadian Securities Exchange (CSE), whose profile has actually soared in the middle of a frenzy in marijuana stocks, states it desires to run a brand-new platform powered by blockchain that, in theory, will clear and settle stock trades instantly. Story(Christina Pellegrini, for subscribers) Private equity: InstarAGF Possession Management Inc. is preparing to make a $50-million investment in community energy infrastructure through a collaboration with British Columbia-based energy business Creative Energy. Story(Jacqueline Nelson, for customers) Canadian endeavor scene: Montreal serial entrepreneur Cherif Habib discovered how tough it was for a start-up to burglarize Canada’s health-care market when he was aiming to develop his last venture, a medical devices business called EMcision International Inc. “We were selling all over the world however very little in Canada. It inspired me to think exactly what technologies existed somewhere else that I could bring here.” Story (Sean Silcoff, for customers )Medical watch: Thomson Reuters Corp Chief Executive Jim Smith was taken to a Toronto hospital on Monday “after feeling unwell” and remains under …

JPMORGAN: Bitcoin miners are in a ‘hash rate arms race’

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Bitcoin mining is becoming more expensive, according to JPMorgan. That’s because miners are “currently in a hash rate arms race.” Bitcoin miners are in an arms race and it is driving the cost of minting new bitcoin to all-time highs. That’s according to a big report on cryptocurrency out Friday by financial giant JPMorgan. Miners are the folks who unleash new bitcoin into the universe by running computationally intensive algorithms on systems called rigs. The miners pumping out the most computing power – or “hash rate,” referring to how many cryptographic calculations the machines can do per second – have the best chance of earning a new bitcoin. As such, miners are building more and more rigs to one-up their competition. “The industry is currently in a hash rate arms race, as the current bitcoin price is incentivizing the addition of more and more mining capacity,” the report said. That doesn’t mean more bitcoin are being created. The coin’s network is designed to increase the difficulty of successfully mining a coin as the total hash power increases in order to maintain a more or less steady rate of bitcoin creation. More hash power means higher energy costs. As such, the …

Microsoft to check blockchain-based self-sovereign ID system

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Microsoft is working to create a blockchain-based, decentralized digital identity management platform that would allow users to own and secure access to their online persona via an encrypted database hub. Over the past year, Microsoft said it has been exploring how to use Blockchain and other distributed ledger technologies to create new types of digital identities designed to enhance personal privacy, security and control. To read this article in full, please click here Read More