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Wednesday, April 11, 2018

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Sunday, February 18, 2018

WHO CREATED COIN?

 

Who created Bitcoin?

Bitcoin is the first implementation of a concept called "cryptocurrency", which was first described in 1998 by Wei Dai on the cypherpunks mailing list, suggesting the idea of a new form of money that uses cryptography to control its creation and transactions, rather than a central authority. The first Bitcoin specification and proof of concept was published in 2009 in a cryptography mailing list by Satoshi Nakamoto. Satoshi left the project in late 2010 without revealing much about himself. The community has since grown exponentially with many developers working on Bitcoin.
Satoshi's anonymity often raised unjustified concerns, many of which are linked to misunderstanding of the open-source nature of Bitcoin. The Bitcoin protocol and software are published openly and any developer around the world can review the code or make their own modified version of the Bitcoin software. Just like current developers, Satoshi's influence was limited to the changes he made being adopted by others and therefore he did not control Bitcoin. As such, the identity of Bitcoin's inventor is probably as relevant today as the identity of the person who invented paper.

Friday, February 16, 2018

TRUST ON THE COIN

 

Why do people trust Bitcoin?

Much of the trust in Bitcoin comes from the fact that it requires no trust at all. Bitcoin is fully open-source and decentralized. This means that anyone has access to the entire source code at any time. Any developer in the world can therefore verify exactly how Bitcoin works. All transactions and bitcoins issued into existence can be transparently consulted in real-time by anyone. All payments can be made without reliance on a third party and the whole system is protected by heavily peer-reviewed cryptographic algorithms like those used for online banking. No organization or individual can control Bitcoin, and the network remains secure even if not all of its users can be trusted.

Tuesday, February 6, 2018

WORKING OF BITCOIN

 

How does Bitcoin work?

From a user perspective, Bitcoin is nothing more than a mobile app or computer program that provides a personal Bitcoin wallet and allows a user to send and receive bitcoins with them. This is how Bitcoin works for most users.
Behind the scenes, the Bitcoin network is sharing a public ledger called the "block chain". This ledger contains every transaction ever processed, allowing a user's computer to verify the validity of each transaction. The authenticity of each transaction is protected by digital signatures corresponding to the sending addresses, allowing all users to have full control over sending bitcoins from their own Bitcoin addresses. In addition, anyone can process transactions using the computing power of specialized hardware and earn a reward in bitcoins for this service. This is often called "mining". To learn more about Bitcoin, you can consult the dedicated page and the original paper.

Thursday, February 1, 2018

INVSETING AND TRADING INSTRUMENTS

 

Major Investing and Trading Instruments

Bitcoin (BTC) is by far the greatest driver of the market. The first bitcoin exchange transaction took place in September 2009, when 5,050 bitcoins were exchanged for US$5.02. To date, BTC broke through $14,500 and is now the most valuable asset on the cryptocurrency market. Bitcoin has become a profitable investment for many, but there are many who are just approaching this instrument, too. High volatility brings a lot of excitement and anxiety, but also allows the speculators to capitalize on short-term moves.
Ether (ETH) is the second most popular digital currency, and also second by market cap. Most of the market players regard it as an investment vehicle, not a speculative asset. Apart from these two cryptocurrencies, investors and traders use such cryptocurrencies as Bitcoin Cash, Ripple, Bitcoin Gold, Litecoin, Dash, NEO, Monero, and IOTA.
Major exchanges offer cryptocurrency pairs trading, with BTC/ETH, DSH/BTC, and LTC/BTC being the most popular. To trade such pairs, one needs to thoroughly analyze the news and keep informed on the important events of the cryptocurrency market.
Currently, not only professional investors but also general public becomes more interested in cryptocurrencies.

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]
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