What is Bitcoin in a nutshell
Small wonder that Bitcoin emerged in 2008 just after Occupy Wall Street accused big banks of misusing borrowers’ money, duping clients, rigging the system, and charging boggling fees. Bitcoin pioneers wanted to put the seller in charge, eliminate the middleman, cancel interest fees, and make transactions transparent, to hack corruption and cut fees. They created a decentralized system, where you could control your funds and know what was going on.
Bitcoin has come far in a relatively short time. All over the world, companies, from REEDS Jewelers, a large jewelry chain in the US, to a private hospital in Warsaw, Poland, accept its currency. Billion dollar businesses such as Dell, Expedia, PayPal, and Microsoft do, too. Websites promote it, publications such as Bitcoin Magazine publish its news, forums discuss cryptocurrency and trade its coins. It has its application programming interface (API), price index, and exchange rate.
Problems include thieves hacking accounts, high volatility, and transaction delays. On the other hand, people in third world countries may find Bitcoin their most reliable channel yet for giving or receiving money.
What is Bitcoin in-depth?
At its simplest, Bitcoin is either virtual currency or reference to the technology. You can make transactions by check, wiring, or cash. You can also use Bitcoin (or BTC), where you refer the purchaser to your signature, which is a long line of security code encrypted with 16 distinct symbols. The purchaser decodes the code with his smartphone to get your cryptocurrency. Put another way; cryptocurrency is an exchange of digital information that allows you to buy or sell goods and services.The transaction gains its security and trust by running on a peer-to-peer computer network that is similar to Skype, or BitTorrent, a file-sharing system.
Bitcoin Transactional properties:
1.) Irreversible: After confirmation, a transaction can‘t be reversed. By nobody. And nobody means nobody. Not you, not your bank, not the president of the United States, not Satoshi, not your miner. Nobody. If you send money, you send it. Period. No one can help you, if you sent your funds to a scammer or if a hacker stole them from your computer. There is no safety net.
2.) Pseudonymous: Neither transactions or accounts are connected to real world identities. You receive Bitcoins on so-called addresses, which are randomly seeming chains of around 30 characters. While it is usually possible to analyze the transaction flow, it is not necessarily possible to connect the real world identity of users with those addresses.
3.) Fast and global: Transaction is propagated nearly instantly in the network and are confirmed in a couple of minutes. Since they happen in a global network of computers they are completely indifferent of your physical location. It doesn‘t matter if I send Bitcoin to my neighbour or to someone on the other side of the world.
4.) Secure: Bitcoin funds are locked in a public key cryptography system. Only the owner of the private key can send cryptocurrency. Strong cryptography and the magic of big numbers makes it impossible to break this scheme. A Bitcoin address is more secure than Fort Knox.
5.) Permissionless: You don‘t have to ask anybody to use cryptocurrency. It‘s just a software that everybody can download for free. After you installed it, you can receive and send Bitcoins or other cryptocurrencies. No one can prevent you. There is no gatekeeper.
What is Bitcoin? A Step-By-Step Guide For Beginners
If you want to know what is Bitcoin, how you can get it and how it can help you, without floundering into technical details, this guide is for you. It will explain how the system works, how you can use it for your profit, which scams to avoid. It will also direct you to resources that will help you store and use your first pieces of digital currency.
What is Bitcoin in a nutshell
Small wonder that Bitcoin emerged in 2008 just after Occupy Wall Street accused big banks of misusing borrowers’ money, duping clients, rigging the system, and charging boggling fees. Bitcoin pioneers wanted to put the seller in charge, eliminate the middleman, cancel interest fees, and make transactions transparent, to hack corruption and cut fees. They created a decentralized system, where you could control your funds and know what was going on.
Bitcoin has come far in a relatively short time. All over the world, companies, from REEDS Jewelers, a large jewelry chain in the US, to a private hospital in Warsaw, Poland, accept its currency. Billion dollar businesses such as Dell, Expedia, PayPal, and Microsoft do, too. Websites promote it, publications such as Bitcoin Magazine publish its news, forums discuss cryptocurrency and trade its coins. It has its application programming interface (API), price index, and exchange rate.
Problems include thieves hacking accounts, high volatility, and transaction delays. On the other hand, people in third world countries may find Bitcoin their most reliable channel yet for giving or receiving money.
What is Bitcoin in-depth?
At its simplest, Bitcoin is either virtual currency or reference to the technology. You can make transactions by check, wiring, or cash. You can also use Bitcoin (or BTC), where you refer the purchaser to your signature, which is a long line of security code encrypted with 16 distinct symbols. The purchaser decodes the code with his smartphone to get your cryptocurrency. Put another way; cryptocurrency is an exchange of digital information that allows you to buy or sell goods and services.The transaction gains its security and trust by running on a peer-to-peer computer network that is similar to Skype, or BitTorrent, a file-sharing system.
What is Bitcoin? A Step-By-Step Guide For Beginners
Bitcoin Transactional properties:
1.) Irreversible: After confirmation, a transaction can‘t be reversed. By nobody. And nobody means nobody. Not you, not your bank, not the president of the United States, not Satoshi, not your miner. Nobody. If you send money, you send it. Period. No one can help you, if you sent your funds to a scammer or if a hacker stole them from your computer. There is no safety net.
2.) Pseudonymous: Neither transactions or accounts are connected to real world identities. You receive Bitcoins on so-called addresses, which are randomly seeming chains of around 30 characters. While it is usually possible to analyze the transaction flow, it is not necessarily possible to connect the real world identity of users with those addresses.
3.) Fast and global: Transaction is propagated nearly instantly in the network and are confirmed in a couple of minutes. Since they happen in a global network of computers they are completely indifferent of your physical location. It doesn‘t matter if I send Bitcoin to my neighbour or to someone on the other side of the world.
4.) Secure: Bitcoin funds are locked in a public key cryptography system. Only the owner of the private key can send cryptocurrency. Strong cryptography and the magic of big numbers makes it impossible to break this scheme. A Bitcoin address is more secure than Fort Knox.
5.) Permissionless: You don‘t have to ask anybody to use cryptocurrency. It‘s just a software that everybody can download for free. After you installed it, you can receive and send Bitcoins or other cryptocurrencies. No one can prevent you. There is no gatekeeper.
Judd Bagley: What is BlockchainThe creator of bitcoin figured out a way to let two entities confidently trade directly with one another, without the need to rely on all these intermediaries. The key is mathematics. As long as we both trust in math, we can be confident the exchange to occur as expected.
Bitcoin uses public key cryptography and an innovative approach to bookkeeping to achieve the authorization, balance verification, prohibition on double spending, delivery of assets and record inalterability described above. And it happens in near real time at no cost.
Cryptography ensures authorization. You need a private key to transact. And your key is complex enough that it would take the best computer longer than the earth has existed to crack it. In other words, it’s essentially unhackable.
– Director of Communications at Overstock.com and Chief Evangelist at t0.com
Where can I find Bitcoins?
First, we would recommend you read this in-depth guide for buying Bitcoin.
You can get your first bitcoins from any of these four places.
A cryptocurrency exchange where you can exchange ‘regular’ coins for bitcoins, or for satoshis, which are like the BTC-type of cents. Resources: Coinbase and LocalBitcoins in the US & Canada, and BitBargain UK and Bittylicious in the UK.
A Bitcoin ATM (or cryptocurrency exchange) where you can change bitcoins or cash for another cryptocurrency. Resources: Your best bets are BTER and CoinCorner
A classified service where you can find a seller who will help you trade bitcoins for cash. Resources: The definitive site is LocalBitcoins.
You could sell a product or service for bitcoins. Resources: Sites like Purse.
Caution! Bitcoin is notorious for scams, so before using any service look for reviews from previous customers or post your questions on the Bitcoin forum.
How does Bitcoin work?
Without getting into the technical details, Bitcoin works on a vast public ledger, also called a blockchain, where all confirmed transactions are included as so-called ‘blocks.’ As each block enters the system, it is broadcast to the peer-to-peer computer network of users for validation. In this way, all users are aware of each transaction, which prevents stealing and double-spending, where someone spends the same currency twice. The process also helps blockchain users trust the system.
How can I store my bitcoins?
To see how the system works, imagine someone called Alice who’s trying out Bitcoins. She’d sign up for a cryptocurrency wallet to put her bitcoins in.
The Bitcoin Wallets
There are three different applications that Alice could use.
Full client – This is like a standalone email server that handles all aspects of the process without relying on third-party servers. Alice would control her whole transaction from beginning to end by herself. Understandably, this is not for beginners.
Lightweight client – This is a standalone email client that connects to a mail server for access to a mailbox. It would store Alice’s bitcoins, but it needs a third-party-owned server to access the network and make the transaction.
Web client – This is the opposite of “full client” and resembles webmail in that it totally relies on a third-party server. The third party replaces Alice and operates her entire transaction.
You’ll find wallets that come in five main types: Desktop, mobile, web, paper and hardware. Each of these has its advantages and disadvantages.
How do I buy and sell stuff with Bitcoins?
Here’s the funny thing with Bitcoins: there are no physical traces of them as of dollars. All you have are only records of transactions between different addresses, with balances that increase and decrease in their records that are stored on the blockchain.
To see how the process works, let’s return to Alice.
Example of a Bitcoin transaction
Alice wants to use her Bitcoin to buy pizza from Bob. She’d send him her private “key,” a private sequence of letters and numbers, which contains her source transaction of the coins, amount, and Bob’s digital wallet address. That “address” would be another, this time, the public sequence of letters and numbers. Bob scans the “key” with his smartphone to decode it. At the same time, Alice’s transaction is broadcast to all the other network participants (called “nodes”) on her ledger, and, approximately, ten minutes later, is confirmed, through a process of certain technical and business rules called “mining.” This “mining” process gives Bob a score to know whether or not to proceed with Alice’s transaction.
The transaction between Alice and Bob
What is Mining?
Mining, or processing, keep the Bitcoin process secure by chronologically adding new transactions (or blocks) to the chain and keeping them in the queue. Blocks are chopped off as each transaction is finalized, codes decoded, and bitcoins passed or exchanged.
Miners can also generate new bitcoins by using special software to solve cryptographic problems. This provides a smart way to issue the currency and also provides an incentive for people to mine.
The reward is agreed-upon by everyone in the network but is generally 12.5 bitcoins as well as the fees paid by users sending transactions. To prevent inflation and to keep the system manageable, there can be no more than a fixed total number of 21 million bitcoins (or BTCs) in circulation by the year 2040, so the “puzzle” gets increasingly harder to solve.
What do I need to know to protect my Bitcoins?
Here are four pieces of advice that will help your bitcoins go further.
As you’d do with a regular wallet, only store small amounts of bitcoins on your computer, mobile, or server for everyday uses, and keep the remaining part of your funds in a safer environment.
Backup your wallet on a regular basis and encrypt your wallet or smartphone with a strong password to protect it from thieves (although, unfortunately, not against keylogging hardware or software).
Store some of your bitcoins in an offline wallet disconnected from your network for added security. Think of this as a bank, while you, generally, keep only some of your money in your wallet.
Update your software. For added protection, use Bitcoins’ multi-signature feature that allows a transaction to require multiple independent approvals to be spent.
Spending some time on these steps can save your money.
Nano Ledger S is just as secure as the other two hardware wallets. It is popular because of its relatively low price of $65 compared to its competitors. Being smaller than KeepKey, it is more portable and easier to carry around. It is a hardware wallet that comes at a very competitive price.
What else do I need to know?
Protect your address: Although your user identity behind your address remains anonymous, Bitcoin is the most public form of transaction with anyone on the network seeing your balances and log of transactions. This is one reason why you should change Bitcoin addresses with each transaction and safeguard your address. You can also use multiple wallets for different purposes so that your balance and transaction history remain private from those who send you money.
source:
https://blockgeeks.com/guides/what-is-bitcoin/
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