GLOBAL ECONOMIST: bitcoin

bitcoin etiketine sahip kayıtlar gösteriliyor. Tüm kayıtları göster

2/28/2018

2/27/2018

bitcoin today...

$10,640.86

Change: $327.78
Market Cap: $0.18T
Supply

how the bitcoin blockchain works?

blockchain technology ile ilgili görsel sonucu

2/25/2018

Bitcoin is a network that runs on a protocol known as the blockchain. A 2008 paper by a person or people calling themselves Satoshi Nakamoto first described both the blockchain and bitcoin, and for a while the two terms were all but synonymous. The blockchain has since been conceptually divorced from its first application, and thousands of blockchains have been created using similar cryptographic techniques. This history can make the nomenclature confusing. "Blockchain" sometimes refers to the original, bitcoin blockchain; other times it refers to blockchain technology in general, or to any other specific blockchain, such as the one that powers Ethereum.

The basics of blockchain technology are mercifully straightforward. Any given blockchain consists of a single chain of discrete blocks of information, arranged chronologically. In principle this information can be any string of 1s and 0s – emails, contracts, land titles, marriage certificates, bond trades – and this versatility has caught the eye of governments and private corporations. In bitcoin's case, though, the information is mostly transactions.

Bitcoin is really just a list. Person A sent X bitcoin to person B, who sent Y bitcoin to person C, etc. By tallying these transactions up, everyone knows where individual users stand. Another name for a blockchain is a "distributed ledger," which emphasizes the key difference between this technology and a well-kept Word doc. Bitcoin's blockchain is public. Anyone can download it in its entirety or head to any number of sites that parse it. You can see, for example, that 15N3yGu3UFHeyUNdzQ5sS3aRFRzu5Ae7EZ sent 0.01718427 bitcoin to 1JHG2qjdk5Khiq7X5xQrr1wfigepJEK3t on August 14, 2017, between 11:10 and 11:20 a.m. If you were law enforcement or otherwise very sophisticated, you could probably figure out who controlled these addresses (the long strings of numbers and letters). Bitcoin's network is not totally anonymous, in other words, though taking certain precautions can make it very hard to link individuals to transactions.

By David Floyd | Updated February 14, 2018 — 6:00 AM EST

Read more: How Bitcoin Works | Investopedia https://www.investopedia.com/news/how-bitcoin-works/#ixzz586JJ5q33
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2/22/2018

Blockchains and Bitcoin

The blockchain is perhaps the main technological innovation of Bitcoin. Bitcoin isn’t regulated by a central authority. Instead, its users dictate and validate transactions when one person pays another for goods or services, eliminating the need for a third party to process or store payments. The completed transaction is publicly recorded into blocks and eventually into the blockchain, where it’s verified and relayed by other Bitcoin users. On average, a new block is appended to the blockchain every 10 minutes, through mining.

Based on the Bitcoin protocol, the blockchain database is shared by all nodes participating in a system. Upon joining the network, each connected computer receives a copy of the blockchain, which has records, and stands as proof of, every transaction ever executed. It can thus provide insight about facts like how much value belonged a particular address at any point in the past. Blockchain.info provides access to the entire Bitcoin blockchain.

Bitcoin and Blockchain: The Potential for Remittances and Supply Chain Management

Indian families living abroad may be able to benefit from Bitcoin, cryptocurrencies, and other blockchain innovations. Prof. Raul Dé at the Indian Institute of Management Bangalore says the technology may make remittance payments faster, cheaper, and more transparent. However, some regulation and streamlining is needed to ensure the technology reaches its peak safety and efficiency.

Rahul Dé Hewlett-Packard Chair Professor, Indian Institute of Management Bangalore

FEBRUARY 09, 2018

np.advancedmanagement.net/article/2018/02/bitcoin-and-blockchain-potential-remittances-and-supply-chain-management

GLOBAL ECONOMIST