$24.14Buy It Now watching | sold View DetailsCondition:UsedTime left:19d 11h 18mItem location:Canada Sold by: autoagent7 (200)Contact us for more info!Skip to main content You are hereHome Cryptic currency Sarah Saunders The mysterious world of bitcoin Related articlesPrinter-friendly version Back to topThe dramatic cyber attack on the NHS in May brought the health service to its knees as hackers demanded $300 in 'bitcoin' to unlock private patient files.The attack crippled trusts across the UK, with authorities reporting their hospitals' computers being locked up until the ransom was paid.But what is Bitcoin?Here we look at the 21st century currency that exists only in cyberspace.Bitcoin was the first of what have become known as "cryptocurencies".These are forms of digital money that use encryption to secure transactions and control the creation of new units.The popularity of Bitcoin has spawned many copycats - sometimes called "altcoins".

To make things more confusing, there are also "second generation" virtual currencies like Ethereum, which has been in the news recently following the hack of the Distributed Autonomous Organisation (DAO) investment platform.Created by a mysterious developer who uses the pseudonym Satoshi Nakamoto, Bitcoins exploded on to the financial scene in 2013, following enormous increases in their value.In the original Bitcoin white paper, Nakamoto describes his creation as a "peer-to-peer version of electronic cash", allowing "online payments to be sent directly from one party to another without going through a financial institution".Nakamoto wrote that such a currency uses "cryptographic proof instead of trust, allowing any two willing parties to transact directly with each other without the need for a trusted third party".This sort of stateless, bank-free currency uses a distributed, cryptographically secure "blockchain" to record payment transactions.Recording of payments onto the blockchain is powered by users, who offer their computer power.

They are rewarded with newly created Bitcoins, and this activity is referred to as mining.Bitcoins can be obtained in a number of different ways.It's possible to accept them as payment for goods or services.You can also buy them directly from individuals or special websites called 'exchanges' that will swap Bitcoins for regular currency.Bitcoin wallets are simply specially-designed programs that store your Bitcoin, the same way a regular wallet would store your cash.litecoin machineThey can be used either on a desktop computer or a smartphone and can be stored securely on the web so they can be accessed from anywhere.litecoin top poolMining is a tricky process that involves solving a complex maths problem that takes both time and computing power.bitcoin como adquirirThe more powerful your computer (and thus, the quicker you can crunch the numbers) means a more difficult problem.bitcoin today price in inr

Custom-built Bitcoin mining hardware and software is now available, allowing miners to find Bitcoins even faster.Each miner also solves a dual function as they process and secure transactions on the block chain.But the more miners that join, the harder it becomes to find Bitcoins.A Bitcoin miner can be anyone that simply does it for fun right up to someone with the latest equipment who is attempting to mine for profit.Bitcoin miners also join into pools that split the workload and gives each of them a share of the profits.bitcoin catcherSecond-generation cryptocurrencies include altcoins with more advanced functions, that harness the computing power of the blockchain.bitcoin armory guideAn example is Ethereum - the blockchain can execute "smart contracts".These are pieces of computer code that can interact with other coded contracts and perform work - for instance moving money around and making decisions.

The DAO platform that was hacked is written into the Ethereum blockchain and can autonomously operate without humans to control the organisation.To decide what investments the DAO makes, its members vote on which proposed contacts will be included in the blockchain.This could be the start of an autonomous financial future dictated by machines rather than humans.'how to get bitcoin', 'bitcoin wallets', 'how to mine' and 'what is a bitcoin miner' Would you ever invest in Bitcoin?ETHEREUM MINERS Ethereum Mining RigsZCASH Mining Rigs PARTS CablesCases / FramesGraphics Cards (GPU)Harddisks (SSD)MemoryMotherboardsPCI RisersPower supplyProcessorsSoftware All products Sale POPULAIR PRODUCTS Ethereum Miner 450MH Runs at 450MH (+- 5%) Only uses 2150W € 8350.00 Ethereum Miner 150MH Runs at 150MH (+- 5%) Only uses 780W € 2799.00 Ethereum Miner 100MH Runs at 100MH (+- 5%) Only uses 520W € 2149.00 The SimpleXX Stacker open frame case Open case / frame for mining rigs Max of 6 GPU's € 89.95 Ethereum Miner 50MH Runs at 50MH (+- 5%) Only uses 260W € 1499.00 Asrock H81 Pro BTC Socket 1150 with H81 chipset Possibility to add 6 GPU's € 154.95 Ethereum Miner 125MH Runs at 125MH (+- 5%) Only uses 650W € 2499.00 USB Stick with all software A 16GB USB Stick with all the software needed to get your mining rig running € 39.95 NEW PRODUCTS ZCASH Miner 2700 SOL/s Runs at 2700 SOL/s +- 5% Uses 1300W € 3999.95 Asrock H81 Pro BTC Socket 1150 with H81 chipset Possibility to add 6 GPU's € 154.95 Sapphire RX 580 8GB Nitro+ Modded hashrate : 31MH/s € 339.95 Sapphire RX 570 Pulse ITX 4GB Modded hashrate : 28MH/s € 239.95 Sapphire RX 570 Pulse 4GB • Modded hashrate : 28MH/s € 259.95 Sapphire RX 570 8GB Nitro+ Modded hashrate : 29MH/s € 319.95 Sapphire RX 570 4GB Nitro+ Modded hashrate : 29MH/s € 289.95 MSI RX 570 Gaming X 4GB Modded hashrate : 27MH/s € 269.95 WELCOME TO ETHEREUMMINER.EU EthereumMiner - Affordable plug-and-play Ethereum Miners (mining rigs)People see Ethereum as the sucessor of Bitcoin.