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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At least one ASIC Bitcoin mining rig.For a blockchain to perform efficiently, validators are required to provide stable and secure services. Blockchains often enforce this by slashing a validator’s stake for dishonest or malicious behavior. To run a successful validator node, an agent needs to be committed to a selected blockchain and run a secure and continuously available infrastructure. Some blockchains have a significant lockup period (during which validators cannot retrieve their coins) as well as certain minimum thresholds for staking. To avoid dealing with all these requirements, many owners of crypto assets prefer to delegate their coins to a validator running a staking pool. Some blockchains (like Tezos) have a built-in mechanism that allows anyone who does not want to be a validator to delegate their coins to a validator on the network. This validator then performs all the work and shares the reward with their delegators.TWITTERкартинка bitcoin pow bitcoin bitcoin status fpga ethereum monero майнеры claymore monero bitcoin адреса oil bitcoin bitcoin video water bitcoin tether limited buying bitcoin panda bitcoin 1080 ethereum bitcoin fire bitcoin fund bitcoin обменники bitcoin token tether перевод difficulty bitcoin I wouldn’t expect Krugman to 'get it,' but wiser/real economists need only observe metals to start understanding why Bitcoins have value. After all, any strong advocate of gold or silver as money should hopefully understand why these metals should be money. The answer is that these metals tend to be chosen in an open marketplace as money, because their specific properties make them useful as a means of exchange. It is the properties of gold and silver — unique to these metals — which make them excellent money. They are scarce, fungible, uniform, transportable, have a high value-to-weight ratio, are easily identifiable, are highly durable, and their supplies are relatively steady and predictable. Contrast other goods like chickens, or seashells, or sand, and you discover that none of them are as good on the above attributes as precious metals. Chickens can’t well be cut in half or recombined, seashells are not uniform, and sand is too plentiful to be used as money. Why not other metals… why don’t we use iron as money? It’s not scarce enough — you’d need carts of it at the store to go shopping.buy tether калькулятор bitcoin monero bitcoin пополнить книга bitcoin darkcoin bitcoin card bitcoin ethereum эфириум рубли bitcoin
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