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>>> Find Bitcoin!
Before the BIP0032 update (in 2009-2012), the Bitcoin-Qt wallet used BrainWallet. The passphrase (PassPhrase) was invented by users without due attention and responsibility, because Bitcoins were very cheap and their loss was not regrettable. Often, instead of a passphrase, a simple password or a combination of easy-to-remember words or numbers was used. Based on the Passphrase, a Private key is generated, followed by a Public key and an Address. The amount of 0.1 btc was not considered significant and could have been submitted as an experiment or test. Since then, many wallets have been irretrievably lost and forgotten.

>>> Cryptocurrency price informer
Cryptocurrency Rate Informer - is designed for convenient monitoring of quotes of various crypto-assets by the following parameters: time periods, trading volume, capitalization. For clarity, the price is indicated in USD and BTC. The page is refreshed by clicking on any part of the table. The data is taken in OnLine mode via API from the CoinMarketCap portal.

>>> Bitcoin Key Generator
"Bitcoin Key Generator" - is designed to visually display and understand the formation of cryptographic actions, through which the cryptocurrency interacts in the Bitcoin network. In this example, a binary Private key (256 bits) is randomly generated, which is converted into the main hexadecimal (Hex) private key format, from which, using the library bitcoinJS-lib.js (open source) generates its byte representation for use in all further calculations.

>>> Get all keys and addresses from the Bitcoin Private key. Create your Private Key.
This service allows you to decompose the Bitcoin Private key (Hex / Bin) into all its components. You can use the Hexadecimal (Hex) format of the Private Key or the descriptive Binary (Bin) Private Key. If necessary, you can create an easy-to-remember Private Key yourself - this can be used as a temporary solution in order to transfer assets in memory somewhere.

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