Any digital file can become an NFT (non-fungible token). As an NFT you are able to prove ownership and provenance via the blockchain. What if you are a creator and want to put your artwork up for sale? How do you mint an NFT? What does it even mean to mint an NFT? Minting an … Read more
New users are often intimidated upon entering the crypto space. Hurdles like user-friendliness, private keys, encryption, and wallets is enough to make a beginner’s head spin. With so many complexities to start off, it’s no wonder why mass adoption is slow to come. Design/UX Argent hopes to solve this issue by having an app that … Read more
This article explains the concept of gas in Ethereum and the basics you need to know when developing smart contracts in Solidity. What is Gas in Ethereum? In Ethereum, we have to pay for each computational operation, measured in the unit called gas. In the Ethereum documentation, gas is defined as follows: “Gas refers to … Read more
This tutorial is based on our Finxter Academy course: Solidity – An Introduction to the Ethereum Smart Contract Programming Language Feel free to check out the course with more advanced videos, codes, and explanations on Solidity. Here’s a short video that may give you some motivation on why learning Solidity in the first place—it’s a … Read more
In Solidity, we can use the keyword payable to specify that an address or a function can receive Ether. This article shows you how it works and how we can use it. Ethereum Accounts and Transactions Each Ethereum account, either an external account (human) or a contract account, has a balance that shows how much … Read more
In Solidity, you can use the require, revert, and assert functions to check error conditions and handle exceptions, but they look similar at first glance, and you might get confused about how to use them. This article will explain their differences, specifically to Python developers. We use a simple smart contract below, taken from the … Read more
Just stumbled upon this opportunity and freelancing niche that could be highly profitable in the Blockchain industry, fun, and sustainable for decades to come. Do you want to grab this opportunity? References from the video: Official website Chainlink: https://chain.link/ Run a Chainlink node: https://docs.chain.link/docs/running-a-chainlink-node/ The gap — nobody on Upwork offers their focused Chainlink services: … Read more
A Bollinger Band consists of three lines: a simple moving average, an upper band, and a lower band. The assumption is that if the real price crosses over one of the bands, this can be seen as a signal to trade in or our of a given asset. For cryptocurrencies, breakout trades are more frequently … Read more
MACD is a trend-following momentum indicator used for trading. It consists of two lines: The MACD line is calculated by taking the difference between short-term EMA and long-term EMA. Exponential Moving Average (EMA) assigns weights to all the values due to a given factor whereas the latest data point gets the maximum weight, and the … Read more
A simple moving average (SMA) is calculated by summing over a fixed number of last prices, say k, and dividing this by the number of prices k. Depending on the selection k, you can obtain short-term or long-term SMAs. Short-term SMAs respond quickly whereas long-term SMAs respond slowly to changes in the prices. You can … Read more
What is Staking with ETH 2.0? Ethereum moves from a proof-of-work to a proof-of-stake Blockchain technology with its upcoming launch of ETH 2.0. This means that the network is secured by ETH “stakers” rather than ETH miners or validators. Staking will be the ETH 2.0 equivalent of mining. As a reward for securing the network, … Read more