How safe is contactless payment? || How does RFID & NFC work? || EB#40

How safe is contactless payment? || How does RFID & NFC work? || EB#40

Nowadays, it is becoming more and more common to use a service like for example Google Pay to… like the name implies Pay for something in a store without using cash. Even I use a contactless payment methods with my Girocard. Which I only have to hold in front of card reader in a store

Power BI Tutorial for Beginners: Get Data. Load (1.1.1)

Power BI Tutorial for Beginners: Get Data. Load (1.1.1)

In this video I will show you how easy it is to use Power BI to connect to your data. Keep watching, let’s start by taking a look at the Power BI desktop interface. At the top is a ribbon and I love that because I’ve certainly grown familiar with it over the years using

DIY Adjustable Constant Load (Current & Power)

DIY Adjustable Constant Load (Current & Power)

When working with power sources like their bench power supplies Batteries or even solar panels? It is sometimes mandatory to test how much current and power they can output over time this way you can determine their output capabilities or the true capacity or even track their output power in order to find a maximum

Bitcoin is worthless (but so is your “real” money)

Bitcoin is worthless (but so is your “real” money)

Hi, my name is Xavier, and when I talk about cryptocurrencies, I often get comments saying that Bitcoin, Ethereum, and others aren’t worth anything. That people are just artificially creating its value. And you know what, that’s true. I also hear that they’re not real because it’s only virtual money, not physical. That’s true as

Miner rewards & transactions - Blockchain in Javascript (part 3)

Miner rewards & transactions – Blockchain in Javascript (part 3)

hey everyone my name is Sofia and in this video we will continue working on our little JavaScript blockchain implementation in the last two videos we created our blockchain and we secured it with the proof-of-work algorithm in this video I'm going to expand it a little bit and make it a simple cryptocurrency to

SQL Tutorial - 08 - Transaction - Begin Work, Commit, Rollback

SQL Tutorial – 08 – Transaction – Begin Work, Commit, Rollback

The transaction controls lets us execute agroup of update statements as if they were a single operation. So that if one of themfails all the statements are aborted. The BEGIN WORK statement marks the start ofa database transaction. We can then execute any number of data manipulationstatements. These changes won't be visible to other usersuntil

How to choose a broker - MoneyWeek Investment Tutorials

How to choose a broker – MoneyWeek Investment Tutorials

okay so in today's video we're gonna have a think about how we go about choosing a broker there are after all countless numbers of brokers out there you see their adverts all over the place but the question is how do you go about choosing one most of us don't need loads of brokers

Why I Hate The Robinhood App Brokerage | 6 Reasons Why

Why I Hate The Robinhood App Brokerage | 6 Reasons Why