Bitcoin (Bitcoin, BTC) experienced its “heyday” back in 2017, when the price rose from ~$900 in January 2017 to an all-time high of $19,650 on December 15, 2017. Today, bitcoin and other cryptocurrencies have become quite popular financial instruments, which attract the close attention of financial institutions. Let's not forget that not so long ago, on November 10, 2021, Bitcoin set a new all-time high, surpassing the $68,000 mark.

What is bitcoin?
Bitcoin is a digital currency or “cryptocurrency” that uses cryptography to secure transactions on an infrastructure that is a distributed online database or “blockchain” (blockchain).

How does bitcoin work?
Bitcoin provides the ability to make fast, low-cost, peer-to-peer (P2P) payments without the need for a bank or central processor. Transactions are made directly between users' digital wallets and are confirmed on the blockchain.

What is blockchain?
Blockchain is a decentralized public ledger of all transactions with cryptocurrencies that have ever been made.

When did bitcoin appear?
Here are some interesting facts about the early days of bitcoin! The Bitcoin.org domain was registered in August 2008, and the Satoshi white paper mentioned above was sent to a private mailing list in October 2008, just two months after registration. Technically, the client program code was published in January 2009 - this is considered the "official" time of creation.

Can a bitcoin transaction be tracked?
All Bitcoin transactions are public, tracked and permanently stored on the Bitcoin network. Bitcoin addresses are the only information used to locate and send bitcoins.

Since users usually have to reveal their identity in order to receive purchased services or goods, Bitcoin addresses cannot remain completely anonymous. In addition, the bitcoin network is peer-to-peer and it is possible to keep a record of users' IP addresses.

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