Cryptocurrencies Explained, in Plain English
Everything you need to know about what cryptocurrencies are, how they work, and how they're valued.
Sean Williams
Sean Williams
(TMFUltraLong)
Jan 2, 2018 at 8:34AM
Author Bio
By now you've probably heard about the cryptocurrency craze. Either a family member, friend, neighbor, doctor, Uber driver, sales associate, server, barista, or passer-by on the street, has probably told you how he or she is getting rich quick with virtual currencies like bitcoin, Ethereum, Ripple, or one of the lesser-known 1,300-plus investable cryptocurrencies.
But how much do you really know about them? Considering just how many questions I've received out of the blue from the aforementioned group of people over the last month, the answer is probably, "not a lot."
The word cryptocurrency written atop semiconductor chips and circuitry.
IMAGE SOURCE: GETTY IMAGES.
Today, we'll change that. We're going to walk through the basics of cryptocurrencies, step by step, and explain things in plain English. No crazy technical jargon here. Just sticks and stones examples of how today's cryptocurrencies work, what they're ultimately trying to accomplish, and how they're being valued.
Let's get started.
What are cryptocurrencies?
Simply put, cryptocurrencies are electronic peer-to-peer currencies. They don't physically exist. You can't pick up a bitcoin and hold it in your hand, or pull one out of your wallet. But just because you can't physically hold a bitcoin, it doesn't mean they aren't worth anything, as you've probably noticed by the rapidly rising prices of virtual currencies over the past couples of months.
How many cryptocurrencies are there?
The number is always changing, but according to CoinMarketCap.com as of Dec. 30, there were around 1,375 different virtual coins that investors could potentially buy. It's worth noting that the barrier to entry is particularly low among cryptocurrencies. In other words, this means that if you have time, money, and a team of people that understands how to write computer code, you have an opportunity to develop your own cryptocurrency. It likely means new cryptocurrencies will continue entering the space as time passes.
Why were cryptocurrencies invented?
Technically, the idea of an electronic peer-to-peer currency was being tinkered with decades ago, but it wasn't truly successful until 2008, when bitcoin was conceived. The basis of bitcoin's creation, and all virtual currencies that have since followed, was to fix a number of perceived flaws with the way money is transmitted from one party to another.
What flaws? For example, think about how long it can take for a bank to settle a cross-border payment, or how financial institutions have been reaping the rewards of fees by acting as a third-party middleman during transactions. Cryptocurrencies work around the traditional financial system through the use of blockchain technology.
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In the case that the sender does not provide the necessary gas to execute the transaction, the transaction runs 'out of gas' and is considered invalid. In this case, the transaction processing aborts and any state changes that occurred are reversed, such that we end up back at the state of Ethereum prior to the transaction. Additionally, a record of the transaction failing gets recorded, showing what transaction was attempted and where it failed. And since the machine already expended effort to run the calculations before running out of gas, logically, none of the gas is refunded to the sender.bitcoin майнить отзывы ethereum A hard fork is a change to a protocol that renders older versions invalid. If older versions continue running, they will end up with a different protocol and with different data than the newer version. This can lead to significant confusion and possible error.bitcoin отзывы bitcoin wordpress monero майнер bitcoin linux
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