What Is Bitcoin and Is It a Good Investment?
Bitcoin (BTC) is a new kind of digital currency-with cryptographic keys-that is decentralized to a network of computers used by users and miners around the world and is not controlled by a single organization or government. It is the first digital cryptocurrency that has gained the public’s attention and is accepted by a growing number of merchants. Like other currencies, users can use the digital currency to buy goods and services online as well as in some physical stores that accept it as a form of payment. Currency traders can also trade Bitcoins in Bitcoin exchanges.
There are several major differences between Bitcoin and traditional currencies (e.g. U.S. dollar):
- Bitcoin does not have a centralized authority or clearing house (e.g. government, central bank, MasterCard or Visa network). The peer-to-peer payment network is managed by users and miners around the world. The currency is anonymously transferred directly between users through the internet without going through a clearing house. This means that transaction fees are much lower.
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- Bitcoin is created through a process called “Bitcoin mining”. Miners around the world use mining software and computers to solve complex bitcoin algorithms and to approve Bitcoin transactions. They are awarded with transaction fees and new Bitcoins generated from solving Bitcoin algorithms.
- There is a limited amount of Bitcoins in circulation. According to Blockchain, there were about 12.1 million in circulation as of Dec. 20, 2013. The difficulty to mine Bitcoins (solve algorithms) becomes harder as more Bitcoins are generated, and the maximum amount in circulation is capped at 21 million. The limit will not be reached until approximately the year 2140. This makes Bitcoins more valuable as more people use them.
- A public ledger called ‘Blockchain’ records all Bitcoin transactions and shows each Bitcoin owner’s respective holdings. Anyone can access the public ledger to verify transactions. This makes the digital currency more transparent and predictable. More importantly, the transparency prevents fraud and double spending of the same Bitcoins.
- The digital currency can be acquired through Bitcoin mining or Bitcoin exchanges.
- The digital currency is accepted by a limited number of merchants on the web and in some brick-and-mortar retailers.
- Bitcoin wallets (similar to PayPal accounts) are used for storing Bitcoins, private keys and public addresses as well as for anonymously transferring Bitcoins between users.