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Laszlo Hanyecz made the first real-world transaction by buying two pizzas in Jacksonville. Price 10.000 BTC

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Month: February 2020

Hyperledger Fabric concepts

Basics, Tech articlesPosted on February 20, 2020February 21, 2020 Srdjan Stojadinovic

Hyperledger Fabric This article is about Hyperledger Fabric (HF) concepts. The reason for making this article is because a lot of people still do not quite know where to…


The five key features of Cryptocurrency

BasicsPosted on February 16, 2020February 16, 2020 Srdjan Stojadinovic

1. Irreversible After confirmation, a transaction can‘t be reversed. By nobody. And nobody means nobody. Not you, not your bank, not the president of the us , not Satoshi,…


What are cryptocurrency forks?

Tech articlesPosted on February 15, 2020February 16, 2020 Srdjan Stojadinovic

What is fork? Any software, cryptocurrencies are software also, need constant updates to repair issues or increase performance. within of cryptocurrency world, those updates are called “forks”.  Since cryptocurrencies are decentralized networks, all participants within the network – mentioned…


Blockchain – short description

BasicsPosted on February 13, 2020February 14, 2020 Srdjan Stojadinovic

Blockchain is the technology which is building block for cryptocurrencies like Bitcoin. Basically the blockchain is just a ledger, a digital record of transactions related to a digital currency,…


Cryptocurrency wallet – Basics

Tech articlesPosted on February 10, 2020February 16, 2020 Srdjan Stojadinovic

Cryptocurrencies are not like most traditional currencies where you use physical money, and a bank account to store it. But one thing is similar and required to store your…


Analytical SQL examples – Running total

AnalyticsPosted on February 8, 2020February 11, 2020 Srdjan Stojadinovic

Running total Running total is a very handy and useful tool. Definition From Wikipedia: “Running total is the summation of a sequence of numbers which is updated each time…


Ethereum is about to past $300

NewsPosted on February 7, 2020February 7, 2020 Srdjan Stojadinovic

Ethereum has been caught within an explosive and highly bullish uptrend throughout 2020, which has led ETH to significantly outperform both Bitcoin and therefore the aggregated cryptocurrency market over…


Calculating Moving Average in SQL

AnalyticsPosted on February 6, 2020February 6, 2020 Srdjan Stojadinovic

Definition Moving Average is the classical method of time series decomposition to estimate the trend-cycle. You can calculate it for any period of time.  Variations of moving average are:…


Want to take back your online privacy? 7 easy steps to stop Facebook and others from spying on you

Tech articlesPosted on February 5, 2020February 14, 2020 techxplore

February 5, 2020

Want to take back your online privacy? 7 easy steps to stop Facebook and others from spying on you

Credit: CC0 Public Domain

Survey after survey shows we don't like having our sensitive personal information collected, monitored and tracked whenever we share with fr..


BlockPGP: A new blockchain-based PGP management framework

Tech articlesPosted on February 5, 2020February 20, 2020 techxplore

February 5, 2020
feature

BlockPGP: A new blockchain-based PGP management framework

Blockchain provides a trusted infrastructure to manage PGP keys server. Credit: Yakubov et al.

Pretty Good Privacy (PGP), one of the most widely used cryptographic standards, enables safe end-to-end encr..


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