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Friday, January 26, 2018

CRYPTOCURRENCY

 

CRYPTOCURRENCY

Over $200 billion wiped off the value of cryptocurrencies

  • More than $200 billion was wiped off the value of global cryptocurrencies at the peak of the sell-off
  • Bitcoin, ethereum and ripple, as well as other smaller digital coins fell sharply in price
  • The sell-off was sparked by talk of tougher regulation in the key markets of China and South Korea
The cryptocurrency market just saw a massive sell-off
The cryptocurrency market just saw a massive sell-off  
More than $200 billion has been wiped off the value of global cryptocurrencies at the peak of the recent sell-off, which extended into Wednesday morning.
At around 7 a.m. London time on Tuesday, the total market capitalization or value of every digital coin stood at $653.8 billion, according to data from Coinmarketcap.com, a website that tracks the price of cryptocurrencies by taking into account the prices across different exchanges.

Tuesday, January 23, 2018

OWNERSHIP OF DIGITAL COIN

 

Ownership

Simplified chain of ownership.[6] In reality, a transaction can have more than one input and more than one output.
In the blockchain, bitcoins are registered to bitcoin addresses. Creating a bitcoin address is nothing more than picking a random valid private key and computing the corresponding bitcoin address. This computation can be done in a split second. But the reverse (computing the private key of a given bitcoin address) is mathematically unfeasible and so users can tell others and make public a bitcoin address without compromising its corresponding private key. Moreover, the number of valid private keys is so vast that it is extremely unlikely someone will compute a key-pair that is already in use and has funds. The vast number of valid private keys makes it unfeasible that brute force could be used for that. To be able to spend the bitcoins, the owner must know the corresponding private key and digitally sign the transaction. The network verifies the signature using the public key.[5]:ch. 5
If the private key is lost, the bitcoin network will not recognize any other evidence of ownership;[9] the coins are then unusable, and effectively lost. For example, in 2013 one user claimed to have lost 7,500 bitcoins, worth $7.5 million at the time, when he accidentally discarded a hard drive containing his private key.[54] A backup of his key(s) would have prevented this.[55]

Monday, January 22, 2018

How to build your own cryptocurrency (complete instructions)

 

How To Create Your Own Crypto Currency for Beginners (Waves Platform)

 

NO CODING EXP NEEDED! CREATE YOUR OWN ICO! Initial Coin Offering; ERC20 ...

 

Sunday, January 21, 2018

PRIVACY OF COIN

 

Privacy

Bitcoin is pseudonymous, meaning that funds are not tied to real-world entities but rather bitcoin addresses. Owners of bitcoin addresses are not explicitly identified, but all transactions on the blockchain are public. In addition, transactions can be linked to individuals and companies through "idioms of use" (e.g., transactions that spend coins from multiple inputs indicate that the inputs may have a common owner) and corroborating public transaction data with known information on owners of certain addresses.[87] Additionally, bitcoin exchanges, where bitcoins are traded for traditional currencies, may be required by law to collect personal information.[88]
To heighten financial privacy, a new bitcoin address can be generated for each transaction.[89] For example, hierarchical deterministic wallets generate pseudorandom "rolling addresses" for every transaction from a single seed, while only requiring a single passphrase to be remembered to recover all corresponding private keys.[90] Researchers at Stanford University and Concordia University have also shown that bitcoin exchanges and other entities can prove assets, liabilities, and solvencywithout revealing their addresses using zero-knowledge proofs.[91]

Friday, January 19, 2018

COIN CHART

 

Sunday, January 14, 2018

what is digital coin

 

Bitcoin

From Wikipedia, the free encyclopedia
Bitcoin
Bitcoin logo.svg
Prevailing bitcoin logo
Denominations
Pluralbitcoins
Symbol₿[a]
Ticker symbolBTC, XBT[b]
Subunits
 ​1⁄1000millibitcoin[1]
 ​1⁄100000000satoshi[3]
CoinsUnspent outputs of transactions (in multiples of a satoshi)[4]:ch. 5
Development
Original author(s)Satoshi Nakamoto
White paperBitcoin: A Peer-to-Peer Electronic Cash System[5]
Reference implementationBitcoin Core
Initial release0.1.0 / 9 January 2009 (9 years ago)
Latest release0.15.1 / 11 November 2017 (2 months ago)
Websitebitcoin.org
Ledger
Ledger start3 January 2009 (9 years ago)
Timestamping schemeProof-of-work (partial hash inversion)
Hash functionSHA-256
IssuanceBlock reward[6][7]
Block reward₿12.5[c]
Block time10 minutes
Block explorerblockchain.info
Circulating supply₿16,770,512 (as of 29 December 2017)
Supply limit₿21,000,000
Valuation
Exchange rateIncrease US$14.516 thousand (as of 29 December 2017)
Market capIncrease US$243.4 billion (as of 29 December 2017)
  1. Jump up^ The symbol was encoded in Unicode version 10.0 at position U+20BF ₿ BITCOIN SIGN in the Currency Symbols block in June 2017.[2]
  2. Jump up^ Compatible with ISO 4217.
  3. Jump up^ July 2016 to approximately June 2020, halved approximately every four years
Bitcoin is a cryptocurrency and worldwide payment system.[8]:3 It is the first decentralized digital currency, as the system works without a central bank or single administrator.[8]:1[9] The network is peer-to-peer and transactions take place between users directly, without an intermediary.[8]:4 These transactions are verified by network nodes through the use of cryptography and recorded in a public distributed ledger called a blockchain. Bitcoin was invented by an unknown person or group of people under the name Satoshi Nakamoto[10] and released as open-source software in 2009.[11]
Bitcoins are created as a reward for a process known as mining. They can be exchanged for other currencies,[12] products, and services. As of February 2015, over 100,000 merchants and vendors accepted bitcoin as payment.[13]Research produced by the University of Cambridge estimates that in 2017, there are 2.9 to 5.8 million unique users using a cryptocurrency wallet, most of them using bitcoin.[14]

Tuesday, January 9, 2018

DIGITAL COIN & ITS USES

 

What Is Digitalcoin?

Digitalcoin is a decentralized peer-to-peer cryptographic medium of exchange that is not controlled by any central authority. Digitalcoin is designed for security, stability, and ease of use. This regard for stability is inherent in the design of the economy and in the spirit of the community.

How Can You Use It?

Digitalcoin is optimized for performance and is one of the fastest ways to send and receive transactions in the world. Digitalcoin is a real, usable, and free to use currency with multiple vendors and ways to purchase a variety of items including hardware, software, Steam games, food, jewelry, precious metals, and more.

Sunday, January 7, 2018

BEST OPPORTUNITY

 

Bitcoin in 2017

Bitcoin price
If you had invested $1,000 in Bitcoin at the start of year, you would have had an approximate profit of $3,600by August.*

Litecoin in 2017

Litecoin price
If you had invested $1,000 in Litecoin at the start of year, you would have had an approximate profit of $11,600by July.*
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