Bitcoin is a decentralized digital currency, without a central bank or single administrator, that can be sent from user to user on the peer-to-peer bitcoin network without the need for intermediaries. Transactions are verified by network nodes through cryptography and recorded in a public distributed ledger called a blockchain.
Blockchain Technology and Limited Supply - Mining and Proof of Work - Ownership and Wallets - Volatility and Global Transactions of Bitcoin
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Key Features of Bitcoin:

1. Decentralization:

   – Bitcoin operates on a decentralized network of computers. There is no central authority or government controlling the currency, making it resistant to censorship or control.

2. Blockchain Technology:

   – Bitcoin transactions are recorded on a public ledger called the blockchain. The blockchain consists of a series of blocks, each containing a list of transactions. This technology ensures transparency and security.

3. Limited Supply:

   – There is a finite supply of Bitcoins. The total supply is capped at 21 million coins. This scarcity is designed to mimic the scarcity and value proposition of precious metals like gold.

4. Mining and Proof of Work:

   – Bitcoins are created through a process called mining, where powerful computers solve complex mathematical problems. Miners are rewarded with newly minted bitcoins for their efforts. This process is called Proof of Work (PoW).

5. Ownership and Wallets:

   – Bitcoin ownership is represented by a digital wallet. Each wallet contains one or more pairs of public and private keys. The public key is the address to which others can send bitcoins, and the private key allows the owner to access and manage their funds securely.

6. Volatility:

   – Bitcoin’s value can be highly volatile. Its price can experience significant fluctuations over short periods, making it attractive to traders and investors but also posing risks.

7. Global Transactions:

   – Bitcoin transactions can be sent or received anywhere in the world, making it borderless and accessible to anyone with an internet connection.

8. Pseudonymity:

   – While Bitcoin addresses are pseudonymous (not directly tied to a person’s identity), all transactions are recorded on the public blockchain. With certain analysis techniques, it’s possible to trace the flow of funds, which has led to concerns about privacy.
Bitcoin has gained widespread popularity and acceptance as a form of digital currency and has paved the way for thousands of other cryptocurrencies. It is often used for online transactions, remittances, investments, and even as a store of value, often referred to as “digital gold.”