Cryptocurrency Mining
Cryptocurrency mining might sound like something you do with a shovel and a hard hat but it’s actually more like accounting. Miners are nodes that perform a special task that makes transactions possible. I’ll use an example to show you how it works using the Bitcoin network.
George owes Michael 10 BTC. George announces that he is sending Michael 10 BTC to the Bitcoin network.
Miners take the information and encrypt it. This is called hashing. To this information, they add other transaction information and hash that too. More and more information is added and hashed until there is enough to form a block.
The miners now race against each other to guess the encrypted code or block hash that will be given to the new block before it’s added to the blockchain. The lucky miner that guesses the right code gets to add the new block to the blockchain.
Now, all the other nodes on the network verify the transaction information in the new block. They check the whole blockchain to make sure that the new information matches. If it does, then the new block is valid, and the winning miner can add the new block to the blockchain. This is called confirmation.
Michael receives 10 BTC from George.
Mining cryptocurrency uses a lot of computer power, so miners are rewarded for the work they do. On the Bitcoin network, miners who confirm new blocks of information are rewarded with 12.5 BTC of new Bitcoin. This is why it’s called mining. Instead of mining for gold or coal crypto, miners are digging for new Bitcoin!
So, What is Cryptocurrency Mining For?
What is Cryptocurrency
It’s the way cryptocurrency networks like Bitcoin verify and confirm new transactions. It stops double spending without the need to trust centralized accounting as banks do. Cryptocurrency blockchains aren’t secured by trust or people. They are secured by math done by computers!
For more information, check out my Blockchain Explained guide.
Now you know how blockchains and crypto mining work. Next, I’ll tell you how you can join a cryptocurrency network…
Using Cryptocurrencies
Using cryptocurrencies isn’t like using fiat currency. You can’t hold cryptocurrency in your hand and you can’t open a cryptocurrency account. Cryptocurrency only exists on the blockchain. Users access their cryptocurrency using codes called public and private keys.
It’s a bit like sending emails. If you want someone to send you an email, you tell them your email address. Well, if you want someone to send you cryptocurrency, you tell them your public key.
Now, if you want to read your emails or send an email, you need to enter your email password. This is how private keys work. Private keys are like passwords for cryptocurrency. Public keys can be seen by anyone, but private keys should only be seen by you. If there is one paramount detail you should learn from this What is Cryptocurrency guide, it’s that keeping your private keys safe is extremely important!
What is CryptocurrencyPrivate and public keys are kept in wallets. Crypto wallets can be online, offline, software, hardware or even paper. Some can be downloaded for free or are hosted by websites. Others are more expensive. For example, hardware wallets can cost around a hundred US Dollars. You should use several different kinds of wallets when you use cryptocurrency.
Whoever has the private and public keys owns the cryptocurrency, so don’t lose your wallets! Cryptocurrency is pseudonymous, remember? There is no way to prove your own cryptocurrency unless you have the keys to it.
I’ve told you about how the first cryptocurrency was created and how it works. I’ve also told you about how cryptocurrency is stored and used. Now, let’s look at some other cryptocurrencies that have been created since Bitcoin…
They use a proof-of-work chain to solve the problem. Once each general receives whatever attack time he hears first, he sets his computer to solve an extremely difficult proof-of-work problem that includes the attack time in its hash. The proof-of-work is so difficult, it’s expected to take 10 minutes of them all working at once before one of them finds a solution. Once one of the generals finds a proof-of-work, he broadcasts it to the network, and everyone changes their current proof-of-work computation to include that proof-of-work in the hash they’re working on. If anyone was working on a different attack time, they switch to this one, because its proof-of-work chain is now longer.bitcoin daemon Assurance 4: The system’s integrity should be verifiable.The trick, of course, is coming up with reasonable assumptions. 😉bitcoin технология 2016 bitcoin bitcoin новости
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