Understanding What is Cryptocurrency and Its Benefits
Lesson 10 of 12By Shivam Arora
Last updated on Jan 11, 2021260570
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Cryptocurrencies have become increasingly popular over the past several years - as of 2018, there were more than 1,600 of them! And the number is constantly growing. With that has come to an increase in demand for developers of the blockchain (the underlying technology of cryptocurrencies such as bitcoin). The salaries blockchain developers earn show how much they are valued: According to Indeed, the average salary of a full-stack developer is more than $112,000. There’s even a dedicated website for cryptocurrency jobs.
Whether you’re interested in a career as a blockchain developer or you just want to keep up with the latest trends in tech, Simplilearn’s Cryptocurrency Explained video explains what cryptocurrency is and why it’s important will get you off to a good start. Here we’ll recap what’s covered in the video.
A Brief History of Cryptocurrency
In the caveman era, people used the barter system, in which goods and services are exchanged among two or more people. For instance, someone might exchange seven apples for seven oranges. The barter system fell out of popular use because it had some glaring flaws:
People’s requirements have to coincide—if you have something to trade, someone else has to want it, and you have to want what the other person is offering.
There’s no common measure of value—you have to decide how many of your items you are willing to trade for other items, and not all items can be divided. For example, you cannot divide a live animal into smaller units.
The goods cannot be transported easily, unlike our modern currency, which fits in a wallet or is stored on a mobile phone.
After people realized the barter system didn’t work very well, the currency went through a few iterations: In 110 B.C., an official currency was minted; in A.D. 1250, gold-plated florins were introduced and used across Europe; and from 1600 to 1900, the paper currency gained widespread popularity and ended up being used around the world. This is how modern currency as we know it came into existence.
Modern currency includes paper currency, coins, credit cards, and digital wallets—for example, Apple Pay, Amazon Pay, Paytm, PayPal, and so on. All of it is controlled by banks and governments, meaning that there is a centralized regulatory authority that limits how paper currency and credit cards work.
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Traditional Currencies vs. Cryptocurrencies
Imagine a scenario in which you want to repay a friend who bought you lunch, by sending money online to his or her account. There are several ways in which this could go wrong, including:
The financial institution could have a technical issue, such as its systems are down or the machines aren’t working properly.
Your or your friend’s account could have been hacked—for example, there could be a denial-of-service attack or identity theft.
The transfer limits for your or your friend’s account could have been exceeded.
There is a central point of failure: the bank.
This is why the future of currency lies with cryptocurrency. Now imagine a similar transaction between two people using the bitcoin app. A notification appears asking whether the person is sure he or she is ready to transfer bitcoins. If yes, processing takes place: The system authenticates the user’s identity, checks whether the user has the required balance to make that transaction, and so on. After that’s done, the payment is transferred and the money lands in the receiver’s account. All of this happens in a matter of minutes.
Cryptocurrency, then, removes all the problems of modern banking: There are no limits to the funds you can transfer, your accounts cannot be hacked, and there is no central point of failure. As mentioned above, as of 2018 there are more than 1,600 cryptocurrencies available; some popular ones are Bitcoin, Litecoin, Ethereum, and Zcash. And a new cryptocurrency crops up every single day. Considering how much growth they’re experiencing at the moment, there’s a good chance that there are plenty more to come!
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bitcoin work This model described above, where valid blocks are determined and miners are rewarded, is called the Ghost protocol (Greedy Heaviest-Observed Sub-Tree).But information is not just communicated through price volatility. Volatility is also how bitcoin gets distributed and how the network becomes further decentralized. Every time a bitcoin is sold, someone else is buying. Consistently over time, the ownership of the network becomes more decentralized, and this occurs most acutely in bouts of volatility. In very tangible ways, the volatility strengthens bitcoin by decentralizing it and reinforcing that while tulips may die, bitcoin never does. As the network becomes more decentralized, it similarly becomes more censorship resistant and each individual within the network holds a smaller and smaller share of the currency (on average) resulting in a dynamic in which, over time, price is less exposed to the preferences of a few large holders. It is not to say that there do not remain large holders that can singularly influence price and volatility, but as a directional trend, the impact of any individual on price diminishes over time and often directly through the distributive function of volatility itself.java bitcoin bitcoin weekly token ethereum bitcoin значок bitcoin cranes ethereum github coin bitcoin новые bitcoin хайпы bitcoin joker bitcoin bitcoin пирамиды dance bitcoin bitcoin metal gift bitcoin bitcoin chart bitcoin block bitcoin страна обмен bitcoin bitcoin сегодня icon bitcoin 1080 ethereum ethereum вывод пузырь bitcoin
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