bitcoin gold

                                             
Bitcoin Gold merupakan split dari Bitcoin yang akan terjadi pada tanggal 25 Oktober 2017. Pada ketinggian blok yang sudah ditetapkan, penambang Bitcoingold akan mulai menjadikan blok dengan algoritma proof-of-work baru, dan ini akan menyebabkan pecahan blockchain Bitcoin. Blockchain Bitcoin ( BTC ) akan terus berlanjut tanpa berubah, tapi cabang baru blockchain akan terlepas dari rantai aslinya. Cabang baru merupakan blockchain yang berbeda dengan sejarah transaksi yang sama dengan Bitcoin hingga split terjadi . Sebagai hasil dari cara kerja ini, sebuah kripto yang baru akan lahir Yaitu bitcoin gold .

Apa tujuan dari Bitcoin Gold?
Tujuan Bitcoin Gold merupakan membikin pertambangan Bitcoin terdesentralisasi lagi. Visi idealistis Satoshi Nakamoto seputar “satu bunyi satu CPU” sudah digantikan oleh kenyataan di mana pembuatan dan distribusi perlengkapan pertambangan sudah didominasi oleh sejumlah kecil entitas, sebagian di antaranya sudah terlibat dalam praktik kasar kepada penambang individu dan Bitcoin jaringan secara keseluruhan Dengan merubah algoritma proof-of-work Bitcoin dari SHA256 ke Equihash, seluruh perlengkapan pertambangan SHA256 khusus telah pasti tak dapat menambang bitcoin gold . Dengan demikian, Bitcoin Gold akan memberi kans terhadap banyak orang baru di semua dunia untuk berpartisipasi dalam cara kerja penambangan dengan perangkat keras konsumen yang tersedia secara luas yang diproduksi dan didistribusikan oleh perusahaan mainstream terkemuka. Infrastruktur penambangan demokratik yang lebih terdesentralisasi lebih bendung dan lebih cocok dengan visi orisinil Satoshi.

Bagaimana sistem menerima Bitcoin Gold ?
Cara distribusi koin Bitcoin Gold (BTG) persis sama dengan yang diaplikasikan oleh Bitcoin Cash (BCH). Segala pemegang Bitcoin yang mempunyai private key BTC pada tanggal 25 Oktober  ( blok 491 407) akan mendapatkan Bitcoin Gold seharga 1 BTC = 1 BTG (Kalau Anda mempunyai 20 BTC, Anda akan mendapatkan 20 BTG). Anda perlu membatasi private key  BTC untuk mengerjakan transaksi Bitcoin Gold. Tentunya unduh yang menggunakan banyak ingatan , Simple nya
aku anjuran untuk meletakkan bitcoin gold anda di YOBIT ,
Bagi yang belum mempunyai akun YOBIT , dapat register di  https://yobit.io/?bonus=ATAZb atau
Hitbtc , https://hitbtc.com/?ref_id=5981e89993bf6 ( lebih aku sarankan di hitbtc )
Tanpa verifikasi data / ktp , anda telah dapat transaksi dan trading .


Perbedaan BTCGOLD dgn BTC dgn BTH :
perbedaan
Tetapi pasti terjadi kah ?
Jawabannya belum tentu ,
Tetapi kita lihat saja nanti apa yg terjadi tgl 25 okt 2017 .


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bitcoin news

Dado Ruvic | Illustration | Reuters

bitcoin dipped to a six-week low Tuesday, as investors monitored warning from regulators and reports of an escalated crackdown on the cryptocurrency market in China.

Other major digital currencies including ethereum and ripple were also seen falling significantly. According to CoinMarketCap data, ethereum was trading at $1,090.96, down more than 18 percent in the last 24 hours, while ripple fell almost 26 percent to $1.37 a token.

The price of the bitcoin fell below $12,000 for the first time since December 5, according to CoinDesk data. It was trading at $11,685.24 a coin at about 3:33 a.m. ET, and was down more than 10 percent from an hour earlier. CoinDesk's bitcoin price index tracks prices from cryptocurrency exchanges Bitstamp, Coinbase, itBit and Bitfinex.

On Monday, Bloomberg reported that authorities in China were planning to block domestic access to Chinese and offshore cryptocurrency platforms that allow centralized trading. Regulators will also target people and companies that provide market-making, settlement and clearing services for centralized trading, the publication said, citing unnamed sources.

Bitcoin rose slightly higher from its six-week low to around $11,992.59 at about 4:00 a.m. ET.

The digital asset soared to a record high of $19,343 last month, but has since been on a gradual decline. Futures contracts for bitcoin were introduced for the first time last month, with huge derivatives operators CME and the Cboe letting investors bet on price movements in the volatile asset for the first time.

Cboe's bitcoin futures for January 2018 were trading at $12,080 Tuesday at 9:00 a.m. ET, down more than 12 percent for the session, while CME's contracts were trading at $12,040, down more than 13 percent.

"The pullback seems to be coming from a lack of buyers in Asia," Mati Greenspan, senior market analyst at eToro, told CNBC in an email.

"Japan and South Korea usually dominate this market but over the last few days, the volumes have been dropping steadily. This morning the combined volumes from these two countries dropped below 30 percent."

He added: "The Koreans and Japanese are used to paying a premium of 20 percent or more per coin. It seems they're getting wise and waiting for the market to even out before buying in again."

keamanan wallet bitcoin

                                         

Keamanan Wallet

Jika Anda memilih wallet software atau mobile, Anda harus ekstra hati-hati! Ingat bahwa bitcoin tersimpan di dalam perangkat Anda. Jika komputer atau handphone Anda rusak, berarti bitcoin Anda juga hilang! Pencuri juga dapat mengambil bitcoin anda jika mendapatkan akses. Perhatikan tips berikut agar terhindar dari kehilangan:

1. Lakukan Full Backup secara berkala
   Simpan backup di perangkat lain seperti di flashdisk atau komputer lain.
2. Gunakan fitur enkripsi
   Dengan enkripsi setiap transaksi membutuhkan login dengan password. Ini mencegah pencuri yang berhasil mendapatkan akses ke komputer Anda.
3. Jangan lupa password
   Kehilangan password sama dengan kehilangan uang Anda! Wallet tidak menyediakan fitur forget password.

Selengkapnya silahkan pelajari cara mengamankan wallet anda di sini: http://bitcoin.org/en/secure-your-wallet

web wallet bitcoin

                                          

Web Wallet adalah wallet yang tersimpan di server pihak ketiga, yaitu perusahaan yang menyediakan jasa penyimpanan bitcoin. Menggunakan web wallet artinya mempercayakan bitcoin kepada pihak lain. Pilihan yang ada sekarang:

1. Blockchain
2. BIPS
3. Coinbase

mobile wallet bitcoin

Mobile Wallet adalah wallet yang bisa diinstall di handphone sehingga bisa dibawa saat bepergian. Pilihannya:

1. Bitcoin Wallet (Android)
2. Bitcoin Wallet (Blackberry)
3. Blockchain for the iPhone (hybrid mobile+web wallet)
4. Paytune (IOS) (hybrid mobile+web wallet)
5. Coinbase iPhone & Android (hybrid mobile+web wallet)

software wallet bitcoin

                                    
Software Wallet adalah wallet yang harus diinstall di komputer Anda sendiri. Pilihan yang ada:

1. Bitcoin-QT (software original, memakan banyak resource)
2. Multibit (cepat)
3. Armory (upgrade dari Bitcoin-QT, lebih advanced)
4. Electrum (paling cepat, simpel, tapi fitur terbatas).

apa itu bitcoin?

                                         
itcoin adalah mata uang virtual yang dikembangkan pada tahun 2009 oleh seseorang dengan nama samaran Satoshi Nakamoto. Mata uang ini seperti halnya Rupiah atau Dollar, namun hanya tersedia di dunia digital. Konsepnya mungkin terdengar seperti eGold, walaupun sebenarnya jauh berbeda.

Bitcoin sebagai mata uang memiliki fitur sebagai berikut:

• Transfer instant secara peer to peer.

Peer-to-peer sendiri artinya Bitcoin berjalan tanpa memiliki server pusat. Server penyimpanannya bersifat desentralisasi dan terdistribusi—dibagi ke berbagai server yang dijalankan oleh setiap pengguna yang terhubung ke dalam jaringan.

• Transfer ke mana saja

Tidak seperti emas, Bitcoin bisa dikirimkan kemana saja dalam hitungan detik, kapanpun dan darimanapun yang Anda mau. Pengiriman uang dengan Bitcoin bisa terjadi hanya dengan modal sebuah smartphone dan koneksi internet.

• Biaya transfer sangat kecil.

Biaya pengiriman pun bisa dihilangkan sampai gratis, namun untuk mempercepat transaksi, biasanya dompet Bitcoin Anda akan memotong biaya sekitar 500 – 3,000 rupiah, tidak peduli berapa jumlah uang yang dikirimkan.

• Transaksi bersifat irreversible, artinya sekali ditransfer tidak bisa dibatalkan.

Bitcoin diberikan ke tangan orang lain, transaksi tidak dapat dibatalkan kecuali orang itu bersedia mengirimkan Bitcoinnya kembali;

• Transaksi bitcoin bersifat pseudonymous.

Semua transaksi yang pernah dilakukan sekaligus saldo Bitcoin yang dimiliki seseorang bisa kita lihat, namun kita tidak tahu siapa pemilik alamat Bitcoin tersebut bila si pemilik tidak memberitahukannya. Setiap pengguna Bitcoin sebenarnya bisa memilih apakah namanya ingin dimunculkan atau tidak, namun meskipun si pengguna ingin merahasiakan identitasnya, semua transaksinya tetap tercatat dan dapat dipantau oleh publik.

• Bitcoin tidak dikontrol oleh lembaga atau pemerintah apapun.

Bitcoin yang menggunakan database Blockchain tidak dikontrol oleh suatu pihak, melainkan sangat terbuka untuk umum sehingga mustahil bagi seseorang untuk memalsukan transaksi di Blockchain. Seluruh transaksi tercatat secara live, transparan, dan tersebar ke jutaan server. Mereka yang ingin mengubah atau memalsukan data transaksi Bitcoin, harus meretas jutaan server tersebut di saat yang bersamaan.

• Jumlahnya terbatas

Suplai Bitcoin hanya akan ada 21 juta Bitcoin di seluruh dunia. Sistem penciptaan Bitcoin yang terus berkurang setiap 4 tahun sekali ini menyerupai sistem ekonomi berdasarkan deflasi dan dengan makin terbatasnya supply bitcoin, harga bitcoin cenderung naik.

Anda bisa transfer bitcoin ke mana saja di dunia asalkan terkoneksi dengan internet. Bitcoin akan disimpan ke dalam Bitcoin Wallet. Wallet ini harus terinstall di kedua belah pihak, bisa dengan PC/laptop, tablet ataupun smartphone. Setelah menginstall wallet, Anda akan mendapatkan Bitcoin Address. Untuk transfer bitcoin sangat mudah, buka aplikasi wallet, masukan Bitcoin Address dari lawan transaksi dan jumlah bitcoin yang ingin ditransfer, kemudian kirim.

Lalu Anda mungkin bertanya, kalau tidak ada bank atau perusahaan yang mengelola seperti halnya paypal atau egold, lalu data keuangan disimpan di mana? Jawabannya, di komputer Anda sendiri (dalam wallet) dan jaringan peer to peer di seluruh dunia. Uang bitcoin tersimpan di komputer Anda di dalam wallet. Jika komputer rusak sama saja uang bitcoin Anda hilang, jadi wallet bitcoin harus di-backup secara berkala ke beberapa device. Ketika melakukan transaksi, puluhan ribu komputer di dalam jaringan bitcoin akan menverifikasi data yang Anda masukan sehingga tidak terjadi kecurangan.

Kenapa orang mulai beramai-ramai membeli dan menggunakan bitcoin?

Bitcoin dikembangkan dengan idealisme bahwa mata uang yang baik tidak dikontrol oleh pemerintah atau bank sentral. Krisis finansial beberapa waktu yang lalu menegaskan bahwa pemerintah selalu lalai dalam menjaga kestabilan ekonomi. Pemerintah dipercaya selalu dikuasai oleh orang-orang yang korup dan hanya bekerja demi keuntungan pribadi, sehingga keputusan-keputusan finansial selalu berpihak kepada konglomerat belaka.

Konsep ini menarik bagi banyak orang terutama para geek di dunia IT. Mereka mulai menginvestasikan aset mereka dalam bentuk bitcoin, sementara itu perekonomian dunia semakin labil terbukti dengan adanya krisis perbankan Amerika dan Eropa. Bitcoin dipercayai akan menjadi mata uang dan komoditas universal sehingga harga akan terus melambung tinggi. Dan ini terbukti, lihat tahun ini saja (Januari 2013) 1 BTC (satuan mata uang bitcoin) diperjualbelikan dengan harga kisaran 13 USD,
sedangkan sekarang (Mei 2013) 1 BTC diapresiasi dengan nilai 120 USD, ini berarti selama 5 bulan nilai bitcoin telah melambung hampir 10 kali lipat. Sekarang 1 BTC diapresiasi dengan nilai 860 USD (Desember 2013) berarti melambung 66 kali lipat dalam 1 tahun. Jika 2 tahun yang lalu (awal 2011) Anda iseng membeli bitcoin seharga 0.3 USD, saya ucapkan selamat karena menjadi milioner 

Bitcoin juga memiliki dua fitur yang sangat menarik yaitu sifatnya yang anonim dan biaya transaksi yang sangat rendah (hampir 0). Anda bisa melakukan transaksi tanpa memberikan identitas sama sekali, hal ini dapat menjaga privasi anda ke level yang paling tinggi.

Siapa yang menerbitkan Bitcoin?

Bitcoin baru diciptakan dengan proses yang disebut “mining”. Para miner menggunakan komputer canggih untuk menguraikan matematika kompleks untuk menemukan block baru Bitcoin, sebagai hadiahnya si penemu akan dihadiahi sejumlah bitcoin. Hadiah per ditemukannya 1 block awalnya ada 50 BTC, sekarang 25 BTC/block, selanjutnya akan terus berkurang diiringi dengan bertambahkan sirkulasi Bitcoin. Sistem telah memastikan bahwa maksimal bitcoin yang beredar di dunia adalah 21 Juta BTC sehingga tidak akan terjadi inflasi.

Apakah Bitcoin Aman?

Anda mungkin berpikir bahwa sistem bitcoin yang open source memungkinkan seorang komputer jenius dapat membobol sistem bitcoin dan menerbitkan sejumlah bitcoin untuk dirinya sendiri. Kenyataannya sistem ini telah direview oleh berbagai kalangan sebagai tanpa cacat. Setiap data transaksi masa lampau tersimpan di semua peer di seluruh jaringan, dan harus berurutan. Setiap transaksi baru akan diverifikasi oleh sejumlah peer baru dinyatakan valid.

Sistem bitcoin aman, yang tidak aman adalah pengguna dan money exchanger. Sama seperti password internet banking, hacker bisa dengan mudah mencuri sejumlah uang dari Anda jika komputer terjangkit virus.

Bagaimana cara mendapatkan Bitcoin?

Anda dapet mendapatkan bitcoin dengan cara membeli dan mining. Untuk membeli bitcoin dapat dilakukan di exchanger-exchanger seperti bitcoin.co.id (indonesia), mtgox (US & Jepang), dan btcchina.com (China).

Apakah membeli Bitcoin akan menguntungkan?

Pertanyaan ini seperti pertanyaan saham apa yang harus dibeli besok. Tidak ada yang bisa memastikan. Tapi kalau saya lihat dari perkembangan media yang meliput menyebabkan antusiasme akan bitcoin di mana-mana akan menciptakan demand yang sangat tinggi. Saya percaya harga akan terus melambung berkali-kali lipat, saya sendiri mulai menginvestasikan sejumlah uang ke dalam bitcoin. Namun tentunya saya tidak bertanggungjawab terhadap segala kerugian yang seandainya akan dialami pembaca. Nilai kapitalisasi dari bitcoin sekarang adalah sekitar
1.3 Miliar USD atau sekitar 13 Triliun Rupiah 11 Miliar USD atau 130 Triliun Rupiah (updated 14 Desember 2013), padahal ini masih permulaan banyak orang yang belum mengetahui Bitcoin.

Silahkan mempelajari lebih lanjut mengenai Bitcoin:

• Intro: http://bitcoin.org/en/
• Video: https://www.weusecoins.com/en/
• Wiki: https://en.bitcoin.it/wiki/Trade

Bitcoin Price Index

                              
                                  
1. USD

Open 24H

$ 16 087.60

Total

Ƀ 16 649 387.00

High 24H

$ 16 160.09

Mkt. Cap

$ 238B

Low 24H

$ 13 057.05

Vol 24H

Ƀ 152 938.10

Last Price

$ 14 276.57

Vol. USD 24H

$ 2 244 869 639.

2. EUR

Open 24H

€ 13 599.31

Total

Ƀ 16 649 387.00

High 24H

€ 13 849.11

Mkt. Cap

€ 209B

Low 24H

€ 10 943.17

Vol 24H

Ƀ 41 145.13

Last Price

€ 12 526.23

Vol. EUR 24H

€ 511 628 867.68

bitcoin price

                            
Bitcoin's price is determined by supply and demand. The specific exchange rates are formed in the process of Bitcoin trading on various online exchanges. Just as with any other currency, Bitcoin's price is ever-changing and depends on a multitude of factors, including but not limited to the number and size of businesses which accept bitcoins as payment, general sentiment regarding the cryptocurrency's future and pure speculation.

Bergmann Bitcoin

               

Was ist Bitcoin Mining?
BItcoin Mining ist ein Peer-to-Peer-Computerprozess zur Sicherung und Verifizierung von Bitcoin-Transaktionen - Zahlungen von einem Benutzer an einen anderen in einem dezentralen Netzwerk. Beim Mining werden Bitcoin-Transaktionsdaten zu Bitcoins globalem öffentlichem Hauptbuch früherer Transaktionen hinzugefügt. Jede Gruppe von Transaktionen wird als Block bezeichnet. Blöcke werden von Bitcoin Miners gesichert und bilden eine Kette übereinander. Dieses Hauptbuch früherer Transaktionen wird Blockchain genannt. Die Blockchain dient dazu, zu bestätigen, dass Transaktionen mit dem Rest des Netzwerks stattgefunden haben. Bitcoin-Knoten verwenden die Blockchain, um legitime Bitcoin-Transaktionen von Versuchen zu unterscheiden, Münzen auszugeben, die bereits anderweitig ausgegeben wurden.
Was ist Arbeitsbeweis?
Bitcoin Mining ist absichtlich so konzipiert, dass es ressourcenintensiv und schwierig ist, so dass die Anzahl der täglich von Minenarbeitern gefundenen Blöcke im Laufe der Zeit konstant bleibt und eine kontrollierte endliche Geldmenge erzeugt. Einzelne Blöcke müssen einen Arbeitsnachweis enthalten, um als gültig betrachtet zu werden. Dieser Arbeitsnachweis (PoW) wird jedes Mal, wenn er einen Block empfängt, von anderen Bitcoin-Knoten verifiziert. Bitcoin verwendet eine PoW-Funktion, um sich vor Doppelausgaben zu schützen, wodurch auch Bitcoins Hauptbuch unveränderlich wird.
Wie erstellt Mining neue Bitcoins?
Der Hauptzweck des Mining besteht darin, Bitcoin-Knoten einen sicheren, manipulationssicheren Konsens zu ermöglichen. Mining ist auch der Mechanismus, mit dem Bitcoins in das System eingeführt werden. Miners sind bezahlte Transaktionsgebühren sowie eine Subvention von neu geschaffenen Münzen, Blockbelohnungen genannt. Dies dient sowohl der dezentralen Verbreitung neuer Münzen als auch der Motivation der Menschen, das System durch Bergbau zu sichern.
Was sind Bitcoin Mining Pools?
In den letzten Jahren ist eine unglaubliche Menge an Bitcoin Mining Power (Hashrate) online gegangen, was es für Einzelpersonen schwieriger macht, genug Hashrate zu haben, um einen Block alleine zu lösen und die Auszahlungsbelohnung zu verdienen. Um diesen Pool auszugleichen wurde Bergbau eingeführt. Pooled Mining ist ein Mining-Ansatz, bei dem Gruppen von einzelnen Minenarbeitern zur Erzeugung eines Blocks beitragen und dann die Blockbelohnung entsprechend der eingebrachten Verarbeitungsleistung aufteilen.

Einführung des Bitcoin.com Mining-Pools
Bitcoin.com hat einen eigenen modernen Bitcoin-Mining-Pool entwickelt, der zwei verschiedene Auszahlungsmethoden, Pay Per Share (PPS) und Pay Per Last N Shares (PPLNS) anbietet. Beginnen Sie noch heute mit dem Abbau auf pool.bitcoin.com, um von unseren wettbewerbsfähigen Cloud-Mining-Verträgen zu profitieren

Markt Bitcoin

                     
"Maker" ist ein VIP-Mitglied wie Sie, das Bitcoin zu seinem eigenen Preis verkauft oder kauft, oder mit anderen Worten, mit der "Limit" -Methode. Nehmen wir an, der aktuelle Preis von Bitcoin beträgt Rp 5.000.000 / BTC. Sie möchten Bitcoin bei Rp 100.000 mit Rp 4.000.000 / BTC kaufen mit "Buy Bitcoin" oben. Wenn Sie auf die Schaltfläche "BUY BITCOIN" klicken, wird Ihre Nachricht verzögert, bis der BTC-Preis auf Rp 4.000.000 / BTC fällt, wie Sie es wünschen. Die ausstehende Bestellung wird im Orderbuch enthalten sein, und Sie sind somit Market Maker geworden. Der Punkt ist, ein Market Maker zu werden, Sie müssen einen Kauf zu einem Preis tätigen.
Bitcoin zum gewünschten Preis. Der Nachteil ist, dass Sie eine Weile warten müssen, bis der Bitcoin-Kurs den gewünschten Kurs erreicht.
Markt-Taker
"Taker" ist ein VIP-Mitglied, das Bitcoin kauft oder verkauft, indem es den bereits im Orderbuch angegebenen Preis verwendet. Wer zum Market Nehmer wird, kauft / verkauft Bitcoin in der Regel mit der Market (Instant) -Methode. Der Vorteil eines Market Nakers ist, dass Sie Bitcoin sofort verkaufen / kaufen können, ohne auf die Ausführung Ihrer Order warten zu müssen, da sie zu dem vom Market Maker gemachten Preis erfolgt.
Der Vorteil, ein Marktteilnehmer zu sein, beträgt 0,3% für jede Transaktion (die Kosten sind inklusive Mehrwertsteuer).
Alle Cryptocurrency, die mit Rupiah verkauft und gekauft werden können, werden für jede Transaktion mit 0,3% belastet, wenn Sie Market Taker werden

market bitcoin

                                        
'Maker' is a VIP member like you who sells or buys Bitcoin at their own price, or in other words, using the 'Limit' method. Let's say the current price of Bitcoin is Rp 5.000.000 / BTC. You want to buy Bitcoin at Rp 100,000 at Rp 4,000,000 / BTC with 'Buy Bitcoin' box above. When you click on the 'BUY BITCOIN' button, your message will be delayed until BTC price drops to Rp 4,000,000 / BTC as you wish. The pending order will be in the Order Book, and as such, you have become a market maker. The point is to become a market maker, you have to make a purchase at a price below the lowest selling market price, or a sale at a price above the highest market price.

The advantage of being a market maker is that you do not incur any transaction fees / fees (0% fee) in the Bitcoin sale process and can transform Bitcoin at the price you want. The downside is, you have to wait a while until the Bitcoin price moves to touch the price you want.
Market Taker
'Taker' is a VIP member who buys or sells Bitcoin by using the price already stated in the Order Book. Those who become market taker usually buy / sell Bitcoin using 'Market (Instant)' method. The advantage to be a market taker is that you will be able to sell / buy Bitcoin instantly, without having to wait for your order to be executed because it is directly using the price made by the market maker.

The advantage of being a market taker, you do not have to wait long to buy or sell Bitcoin, but you will be charged 0.3% for each transaction (the cost is inclusive of VAT).

All Cryptocurrency which can be sold and purchased using Rupiah will be charged 0.3% for each transaction if you become Market Taker

How to Bitcoin Status in Other Countries?

                                

JAKARTA, KOMPAS.com - The presence of bitcoin as a virtual currency reap the pros and cons. Bitcoin is considered to facilitate financial transactions. However, transactions with this virtual currency can also raise the risk of money laundering.

Different countries respond differently to the presence of bitcoin in the country.

The bitlegal.net site classifies three legal statuses of bitcoin in different parts of the world with color indicators. A country colored green means allowing bitcoin, yellow means there is still a debate, and red means forbidding.

Russia and Iceland are the countries that prohibit the use of bitcoin. According to Iceland's central bank, transactions with bitcoin are perceived as the movement of foreign and illegal capital because of capital controls conducted in the country after the collapse of the banking system in 2008.

The Russian central bank warned businesses using bitcoin as a means of payment would be potentially considered to be involved in money laundering or terrorism financing. However, transactions with bitcoin in Russia are very large and underground.

"Russia is in the red category, but the transaction is very large, bitcoin transactions there reach 20 percent of all bitcoin transactions worldwide," said Bitcoin Indonesia CEO Oscar Dharmawan in Jakarta, Saturday (15/2/2014).

Meanwhile, China, India, Thailand and Kazakhstan still have debate over bitcoin. In China, for example, bitcoin circulates freely with warnings. Prohibition applies to companies, but the public is allowed transactions with bitcoin as a commodity trading activity on the internet.

Many countries respond to bitcoin transactions with permissiveness, which is marked by a green legal status. In the United States, bitcoin may be circulated as an electronic transaction.

As in Singapore, the central bank decided not to interfere with the transaction with bitcoin, but it will impose a tax because bitcoin is considered a commodity.

In neighboring Malaysia, the central bank allows transactions with bitcoins. However, people are encouraged to be careful in transacting and investing with the virtual currency.

source: kompas.com

miner bitcoin

                             

What is Bitcoin Mining?

BItcoin Mining is a peer-to-peer computer process used to secure and verify bitcoin transactions—payments from one user to another on a decentralized network. Mining involves adding bitcoin transaction data to Bitcoin's global public ledger of past transactions. Each group of transactions is called a block. Blocks are secured by Bitcoin miners and build on top of each other forming a chain. This ledger of past transactions is called the blockchain. The blockchain serves to confirm transactions to the rest of the network as having taken place. Bitcoin nodes use the blockchain to distinguish legitimate Bitcoin transactions from attempts to re-spend coins that have already been spent elsewhere.

What is Proof-of-Work?

Bitcoin Mining is intentionally designed to be resource-intensive and difficult so that the number of blocks found each day by miners remains steady over time, producing a controlled finite monetary supply. Individual blocks must contain a proof-of-work to be considered valid. This proof-of-work (PoW) is verified by other Bitcoin nodes each time they receive a block. Bitcoin uses a PoW function to protect against double-spending, which also makes Bitcoin's ledger immutable.

How Does Mining Create New Bitcoins?

The primary purpose of mining is to allow Bitcoin nodes to reach a secure, tamper-resistant consensus. Mining is also the mechanism used to introduce bitcoins into the system. Miners are paid transaction fees as well as a subsidy of newly created coins, called block rewards. This both serves the purpose of disseminating new coins in a decentralized manner as well as motivating people to provide security for the system through mining.

What Are Bitcoin Mining Pools?

During the last several years an incredible amount of Bitcoin mining power (hashrate) has come online making it harder for individuals to have enough hashrate to single-handedly solve a block and earn the payout reward. To compensate for this pool mining was introduced. Pooled mining is a mining approach where groups of individual miners contribute to the generation of a block, and then split the block reward according the contributed processing power.

Introducing the Bitcoin.com Mining Pool

Bitcoin.com has developed its own modern Bitcoin mining pool which offers two different payout methods, Pay Per Share (PPS) and Pay Per Last N Shares (PPLNS). Start mining on pool.bitcoin.com today to take advantage of our competitive cloud mining contracts.

source : https://www.bitcoin.com/bitcoin-mining

dinheiro virtual bitcoin

                                     
Nos últimos meses, a Bitcoin não tem saído dos noticiários. A moeda virtual criada em 2009 por um gênio da matemática teve alta nunca antes vista na história. Ela passou de US$ 40 para US$ 200 em apenas um mês. Por isso o Olhar Digital resolveu ir a fundo nesta história para explicar exatamente como a Bitcoin funciona.

Diferentemente das moedas convencionais, a Bitcoin não precisa de nenhum emissor centralizado, pois ela se baseia no conceito peer-to-peer, ou seja, qualquer um pode gerar o "dinheiro". Nos Estados Unidos já é possível comprar produtos eletrônicos, games, roupas, acessórios e até comida com moeda virtual. Além disso, algumas empresas têm remunerado freelancers com a moeda e outras têm vendido bens, como carros usados e computadores, em Bitcoins.

O problema é que para gerar esta moeda sem lastro, que determina seu valor apenas pela especulação em Bolsas de Valores virtuais, é necessário tempo e, ironicamente, dinheiro...real. 

Segundo Leandro César, arquiteto de informação, para gerar a moeda é necessário se cadastrar no site www.bitcoin.org. O usuário baixa um programa de compartilhamento de arquivos para receber uma identificação e, a partir daí, começa o processo de geração das moedas, apelidado de "mineração".

A rede Bitcoin cria e distribui um lote de novas moedas aleatoriamente entre os usuários que estão rodando o programa. A quantidade de dinheiro virtual criado em um lote, no entanto, nunca passa de 50. 

"Para conseguir ganhar 50 moedas é necessário muito investimento em hardware. Inicialmente eu gastei R$ 10 mil com computadores e, atualmente,  gero 30 centavos de Bitcoin por dia com minhas máquinas trabalhando sem parar", explica Leandro.

As moedas podem ser salvas em forma de arquivo, que funcionam como uma carteira virtual. As transações acontecem via internet entre qualquer pessoa que tenha um endereço de Bitcoin. No momento, dentro da MT Gox, maior câmbio virtual do mundo, a Bitcoin está em alta, valendo US$ 216,90.

É importante saber que os criadores da moeda estipularam valor máximo de 21 milhões de Bitcoins a serem geradas no mundo para que não existam chances de um espiral inflacionário. Até hoje, o número não passou de 11 milhões.

Continua...
fonte : https://olhardigital.com.br/noticia/entenda-o-que-e-a-bitcoin,-a-moeda-virtual-que-vale-mais-de-us-200/19410