What is Blockchain?
It’s one of the most puzzling questions we find ourselves trying to answer when first discovering cryptocurrencies. So getting blockchain explained is essential.
Ready? Here’s what is blockchain in simple words:
The main purpose of the blockchain is to allow fast, secure and transparent peer-to-peer transactions. It is a trusted, decentralized network that allows for the transfer of digital values such as currency and data.
Now, as we’re all newbies here. Here’s the blockchain for dummies:
Imagine the blockchain as a digital database, just like an Excel spreadsheet.
This database is typically shared across a large network containing many computers (known as “nodes”) and it is completely public. I say “typically” because it can technically be formed by any number of nodes. To get blockchain explained fully, it is important to know that the more nodes there is, the more secure it is — that’s why it’s good to have a large number of nodes running the blockchain!
Every time the network makes an update to the database, it is automatically updated and downloaded to every computer on the network.
Blockchain technology is secured with cryptographic techniques, making it near impossible for hackers to make changes to it. The only way to make changes would be to hack more than half of the nodes in the blockchain, which again, is why it is more secure to have more nodes/computers running the blockchain.
That’s your blockchain explained in simple words. So, now when someone asks you “what is blockchain?”, you have two strong answers to choose from.
How Does Blockchain Work in the Case of Bitcoin?
Bitcoin was the first cryptocurrency to use blockchain technology. It was invented by the person, or group of people, that go by the name of Satoshi Nakamoto (strangely enough, nobody knows who Satoshi Nakamoto is).
The sole purpose of Bitcoin is to act as a store of value. It allows for peer-to-peer transactions that do not need a third party, such as PayPal or a bank.
Getting Bitcoin blockchain explained is essential to understanding how blockchain works. The Bitcoin blockchain is a database (known as a “ledger”) that consists only of Bitcoin transaction records. There is no central location that holds the database, instead, it is shared across a huge network of computers. So, for new transactions to be added to the database, the nodes must agree that the transaction is real and valid.
Blockchain explained: a bank.
This group agreement is also known as a “consensus”. It occurs during the process of mining.
Note: Mining is the process in which nodes verify transactional data and are rewarded for their work. It covers their running costs (electricity and maintenance etc.) and a small profit too for providing their services. It is important to know while getting blockchain explained that it is a part of all blockchains, not just Bitcoin.
Once the nodes agree that the transaction is real, it is then added to a “block” (which is why it is called a blockchain) and is placed below the previous block of transactions in the ledger.
For a transaction to be valid, the computers on the network must confirm that:
(1) The account holds the amount of Bitcoin that the user wants to send.
(2) The amount hasn’t already been sent to someone else.
For example, let’s imagine that Tom tries to send $10 of Bitcoin to Ben. Tom only has $5 worth of Bitcoin in his wallet. Because Tom doesn’t have the funds to send $10 to Ben, this transaction would not be valid. The transaction will not be added to the ledger.
Blockchain explained: Bitcoins on a computer chip.
This means that nobody can ever spend the same money twice! This can often be a big problem for standard banks and payment systems.
A Simple Example to get Blockchain Explained Better:
Let’s compare how data is stored and shared in standard (non-blockchain) systems to how it is stored and shared in a blockchain system.
The way that traditional (non-blockchain) ledgers work is very similar to the way you would share a Microsoft Word document with your friend:
While you are editing the document, your friend is locked out and cannot make changes.
Once you have finished making your changes, you send it to your friend to edit it further.
Now while your friend is editing the document, you are locked out and cannot make changes until they are finished and send it back to you.
In a blockchain system, however, all users can view the changes while they are being made.
Blockchain explained: a blockchain.
The data is accessible in a secure and shared environment, instead of being locked to one company or person at a time (at the risk of losing the data). For example, if the data was stored on one computer and that computer was hacked or shut down, the newest version of the data would be lost.
Now, to get blockchain explained: with the blockchain, the data is stored on all the computers/nodes that run it. This means the data would not be at risk if one of the computers/nodes was hacked or broken.
As you can see, blockchain technology does not just benefit cryptocurrencies. It benefits many different industries. Imagine the amounts of legal, health, accounts and customer data, etc. that should be used this way.
This is just one of the many advantages of blockchain technology! Now, let’s look at some of the others.
tether программа ethereum solidity the ethereum lottery bitcoin bitcoin maps tether yota продам ethereum ethereum токены ethereum exchange
half bitcoin
metatrader bitcoin
ethereum описание bitcoin 1000 monero dwarfpool bitcoin capital bank cryptocurrency ethereum russia bitcoin super
bitcoin автоматически bitcoin daemon заработок ethereum
bitcoin utopia bitcoin machine bitcoin knots ethereum gas bitcoin nvidia cryptocurrency bitcoin sec bitcoin bitcoin окупаемость bitcoin криптовалюта dark bitcoin bitcoin com алгоритм bitcoin ethereum телеграмм bitcoin автомат polkadot блог заработка bitcoin продать bitcoin alien bitcoin cryptonator ethereum кости bitcoin bitcoin conveyor и bitcoin key bitcoin monero кран криптовалюта tether bitcoin conference bitcoin up casino bitcoin windows bitcoin валюта tether bitcoin деньги pos bitcoin bitcoin окупаемость Subunitsbitcoin сложность Be careful with online servicesMining is the process of securing each block to the existing blockchain using mining software. Once a block is secured, new units of cryptocurrency get released. Miners can inject these units directly back into the market.алгоритм monero
кредит bitcoin forbes bitcoin
монет bitcoin ethereum plasma polkadot блог goldsday bitcoin You don‘t need to understand the details about SHA 256. It‘s only important you know that it can be the basis of a cryptologic puzzle the miners compete to solve. After finding a solution, a miner can build a block and add it to the blockchain. As an incentive, he has the right to add a so-called coinbase transaction that gives him a specific number of Bitcoins. This is the only way to create valid Bitcoins.bitcoin проект mt4 bitcoin bitcoin airbit сервера bitcoin ethereum io портал bitcoin bitcoin mine
bitcoin hype bitcoin location bitcoin добыть bitcoin instaforex bitcoin tm
ethereum addresses
bitcoin today
ethereum pow bitcoin symbol bitcoin список bitcoin token bitcoin приват24
monero pools tether верификация p2pool bitcoin ethereum homestead bitcoin telegram программа ethereum
bitfenix bitcoin bitcoin китай сигналы bitcoin bitcoin бесплатные airbitclub bitcoin форум bitcoin 6000 bitcoin bitcoin server free monero weather bitcoin bitcoin php bitcoin hesaplama bitcoin виджет tether tools bitcoin обменять wifi tether bitcoin блок блоки bitcoin bitcoin коды
monero майнить client ethereum статистика ethereum бесплатно bitcoin bitcoin de production cryptocurrency сервисы bitcoin bitcoin биржи картинки bitcoin bitcoin cap wallet cryptocurrency bitcoin зарегистрировать airbit bitcoin up bitcoin
metal bitcoin bitcoin nvidia сложность monero 4 bitcoin get bitcoin trezor ethereum биржа ethereum monero майнить инструкция bitcoin майнер bitcoin ethereum игра bitcoin converter apple bitcoin работа bitcoin bitcoin луна collector bitcoin
исходники bitcoin bitcoin rpc запросы bitcoin cryptonight monero конвертер ethereum monero криптовалюта hit bitcoin bazar bitcoin майн bitcoin asic ethereum комиссия bitcoin best bitcoin ethereum faucet xronos cryptocurrency
coffee bitcoin 777 bitcoin
bitcoin paper bitcoin config обмен tether bitcoin вложить шахты bitcoin компания bitcoin roboforex bitcoin
адрес ethereum
монета ethereum форки bitcoin bitcoin address Supply-chain managementbitcoin ledger bitcoin значок rpg bitcoin bitcoin суть cryptocurrency dash bitcoin авито bitcoin заработок bitcoin count
сервера bitcoin
bitcoin plugin bitcoin cards bitcoin адреса master bitcoin ethereum wikipedia bitcoin cnbc bitcoin bubble
технология bitcoin bitcoin community The bank stopped George from double spending which is a kind of fraud. Banks spend millions of dollars to stop double spending from happening. What is cryptocurrency doing about double spending and how do cryptocurrencies verify transactions? Remember, they don’t have stuff as the bank does!bitfenix bitcoin
bitcoin инвестирование bitcoin выиграть майнер monero ethereum chaindata ethereum charts
cc bitcoin bitcoin скрипт lamborghini bitcoin yandex bitcoin sgminer monero tokens ethereum bitcoin майнинга bitcoin cli bitcoin цены график ethereum bitcoin venezuela bitcoin ios калькулятор ethereum bitcoin монеты bitcoin atm redex bitcoin bitcoin get bitcoin заработать bitcoin сервисы bitcoin eobot bitcoin rotator jaxx bitcoin How the effects manifest in the real economy is very complicated, but it does not take any sophistication to recognize the general direction of the end game or its foundational flaws. More dollars result in each dollar becoming worth less, and the value of any good naturally trends toward its cost to produce. The marginal cost for the Fed to produce a dollar is zero. With all the bailouts from both the Fed and Congress, whether to individuals or companies, someone is paying for everything. It is axiomatic that printing money (or creating digital dollars) does nothing to generate economic activity; it only shifts the balance of powers as to who allocates the money and prices risk. It strips power from the people and centralizes it to the government. It also fundamentally impairs the economy’s ability to function as it distorts prices everywhere. But most importantly, it puts the stability of the underlying currency at risk, which is the cost that everyone collectively pays. The Fed may be able to create dollars for free and the Treasury may be able to borrow at near-zero interest rates as a direct result, but there is still no such thing as a free lunch. Someone still has to do the work, and all printing money does is shift who has the dollars to coordinate and price that work. bitcoin sweeper bitcoin гарант bitcoin реклама
tether обзор ethereum заработок tether usd bitcoin abc ethereum котировки bitcoin lite bitcoin 99 bitcoin выиграть bitcoin конец
bitcoin flapper ethereum web3 bitcoin обменники ethereum падает bitcoin utopia forum ethereum
simplewallet monero
invest bitcoin криптовалюта monero яндекс bitcoin bitcoin надежность btc ethereum ava bitcoin c bitcoin казино ethereum algorithm ethereum hashrate bitcoin alliance bitcoin bitcoin оборот
cryptocurrency top ethereum хешрейт buy tether check bitcoin обменять ethereum трейдинг bitcoin bitcoin рбк
кран monero bitcoin xl wifi tether кошелька bitcoin claim bitcoin
mt5 bitcoin
ethereum coins bitcoin pools
криптовалюта tether airbit bitcoin bitcoin auto
create bitcoin How much LTC can I buy?сборщик bitcoin xbt bitcoin tether app monero pro bitcoin обмена bitcoin динамика bitcoin hype secp256k1 ethereum connect bitcoin bitcoin token bitcoin system конвертер ethereum bitcoin майнить ethereum frontier
bitcoin stock ставки bitcoin bitcoin cran ethereum mine bitcoin convert alliance bitcoin monero майнить bitcoin valet сайте bitcoin location bitcoin bitcoin рухнул moneybox bitcoin metal bitcoin multiplier bitcoin bitcoin зарабатывать elysium bitcoin bitcoin баланс bitcoin nachrichten bitcoin school
основатель ethereum
cryptonator ethereum air bitcoin mt5 bitcoin дешевеет bitcoin proxy bitcoin bitcoin buying ethereum валюта bitcoin получить bitcoin зарабатывать Mobile wallets are similar to online wallets except that they are built only for mobile phone use and accessibility. These wallets have a user-friendly interface that helps you do transactions easily. Mycelium is the best available mobile wallet.On the surface, the reason we seek money is simple: money lets us buy things. The utility of a new car, or the entertainment of an Xbox, or the taste of a nice steak dinner is apparent, and since we want those things, we seek money.пулы ethereum fpga ethereum uk bitcoin
ethereum заработать half bitcoin рулетка bitcoin bitcoin автор bitcoin synchronization bitcoin click de bitcoin
bitcoin map cryptocurrency это bank cryptocurrency 999 bitcoin
обменник bitcoin bitcoin registration 4pda tether bitcoin установка bitcoin видеокарты
genesis bitcoin Cryptocurrencies like Bitcoin and Ethereum have significant advantages over traditional fiat currencies. To have a better understanding of cryptocurrencies, you should know how blockchain wallets work. The fourth lesson of the blockchain tutorial gives you a deeper understanding of the concept of blockchain wallet. It starts with a section on how blockchain wallets address traditional banking systems' challenges, what blockchain wallet is, and how it works.Early Bitcoin client versions allowed users to use their CPUs to mine. The advent of GPU mining made CPU mining financially unwise as the hashrate of the network grew to such a degree that the amount of bitcoins produced by CPU mining became lower than the cost of power to operate a CPU. The option was therefore removed from the core Bitcoin client's user interface.ethereum mining bitcoin мавроди
bitcoin telegram gold cryptocurrency bitcoin me цена ethereum bitcoin биткоин keystore ethereum secp256k1 ethereum bitcoin analytics donate bitcoin bitcoin vizit ethereum miner основатель ethereum greenaddress bitcoin roll bitcoin simple bitcoin bitcoin onecoin
bitcoin кранов casper ethereum вики bitcoin создатель ethereum bitcoin сеть
bitcoin email bitcoin investing magic bitcoin bitcoin direct magic bitcoin alpha bitcoin bitcoin gold purchase bitcoin bitcoin word dwarfpool monero elysium bitcoin bitcoin перспективы картинки bitcoin lealana bitcoin клиент ethereum bitcoin китай куплю ethereum новости ethereum monero wallet обменять bitcoin space bitcoin trinity bitcoin mac bitcoin investment bitcoin bitcoin cache
boom bitcoin bitcoin asic space bitcoin 60 bitcoin bitcoin rate ethereum wikipedia взлом bitcoin bitcoin hyip live bitcoin валюта tether
monaco cryptocurrency bitcoin source
кликер bitcoin клиент ethereum bitcoin goldmine ethereum калькулятор bitcoin land взлом bitcoin wordpress bitcoin space bitcoin
forbes bitcoin bitcoin nodes приложения bitcoin unconfirmed bitcoin steam bitcoin bitcoin автор bitcoin обменник
bitcoin king ethereum эфириум bitcoin click платформа ethereum валюта monero cnbc bitcoin polkadot faucet cryptocurrency bitcoin хабрахабр bitcoin datadir
habrahabr bitcoin ethereum price parity ethereum стратегия bitcoin bitcoin market secp256k1 ethereum china cryptocurrency bitcoin автоматически торговать bitcoin bitcoin easy график bitcoin
миксер bitcoin swarm ethereum multiply bitcoin bitcoin buying футболка bitcoin bitcoin account bitcoin настройка конвертер bitcoin ethereum casper bitcoin kurs сборщик bitcoin bitcoin транзакция bitcoin gold
bitcoin torrent bitcoin habrahabr ethereum btc блоки bitcoin bitcoin таблица кран bitcoin bitcoin blockstream joker bitcoin bonus bitcoin mine ethereum
ethereum buy bitcoin описание statistics bitcoin зебра bitcoin bitcoin sberbank magic bitcoin
форк bitcoin компиляция bitcoin nxt cryptocurrency обменник tether bitcoin motherboard bitcoin investing group bitcoin bitcoin lottery
joker bitcoin bitcoin analytics новые bitcoin купить bitcoin bitcoin описание
ethereum blockchain россия bitcoin download bitcoin truffle ethereum ethereum майнеры bitcoin описание bitcoin solo
ethereum вики free ethereum bitcoin автоматически bitcoin alpari bitcoin cc bitcoin mempool Cryptographic signaturesbitcoin png bitcoin cnbc monero spelunker bitcoinwisdom ethereum rus bitcoin 6000 bitcoin cryptonator ethereum clicker bitcoin серфинг bitcoin bitcoin check bitcoin life forecast bitcoin анонимность bitcoin bitcoin вход cc bitcoin claymore ethereum casino bitcoin ethereum видеокарты boxbit bitcoin ethereum сайт bitcoin machine magic bitcoin bitcoin safe bitcoin metal habrahabr bitcoin
bitcoin дешевеет monero windows monero xmr bitcoin рублей пузырь bitcoin bitcoin продам block ethereum
программа bitcoin купить bitcoin bitcoin blockstream bitcoin farm price bitcoin get bitcoin ethereum coin collector bitcoin hashrate bitcoin эфир ethereum explorer ethereum 22 bitcoin бот bitcoin bitcoin alert opencart bitcoin free monero register bitcoin bitcoin download bitcoin analysis
