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Download Bitcoin Address Utility by Casascius (Beta, No Warranty) and Learn More About Its Features and Functions


Bitcoin Address Utility: A Handy Tool for Bitcoin Users




Bitcoin is an innovative payment network and a new kind of money that uses cryptography and peer-to-peer technology. Bitcoin users need to have a bitcoin address and a private key to send and receive bitcoins. A bitcoin address is like a bank account number that can be shared with anyone who wants to send you bitcoins. A private key is like a password that allows you to access and spend your bitcoins.


But how do you create, manage, and secure your bitcoin addresses and private keys? One way is to use a software program called bitcoin address utility, created by Casascius, a well-known bitcoin user and maker of physical bitcoins. Bitcoin address utility is an open-source program that allows you to do various useful functions with bitcoin addresses, such as convert them between different formats, encrypt and decrypt them, and print them as paper wallets.




bitcoin address utility by casascius (beta no warranty) download


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Features of Bitcoin Address Utility




Bitcoin address utility has many features that can help you with your bitcoin transactions. Here are some of them:


  • Create new bitcoin addresses: You can generate new bitcoin addresses with corresponding minikey and standard private key formats. You can also create private keys from text strings via SHA256 hash (\"brainwallet\").



  • Convert between formats: You can convert between hexadecimal and WIF (Wallet Import Format) private key formats, as well as between different types of bitcoin addresses, such as legacy, cash, BitPay, Testnet, and other altcoins.



  • Encrypt and decrypt private keys: You can encrypt your private keys with a passphrase using the BIP 0038 standard, which adds an extra layer of security to your bitcoins. You can also decrypt encrypted private keys with the correct passphrase.



  • Print paper wallets: You can print your bitcoin addresses and private keys as QR code images on paper, which can be used as a physical way to store and spend bitcoins offline. Paper wallets are also a great way to gift bitcoins to someone.



  • Perform elliptic-curve arithmetic: You can multiply or add two private keys or a private key and a public key to get a new private key, public key, or bitcoin address. This can be used for creating two-factor or multisignature bitcoin addresses, or for secure vanity address generation.



  • Verify public keys and addresses: You can confirm that public keys are valid (i.e., that they represent a valid elliptic-curve point) and that they match the corresponding bitcoin addresses. You can also check the balance of any bitcoin address on block explorers.



  • Use Base58Check calculator: You can quickly convert between the Base58Check encoding commonly used in bitcoin-related objects and the encoded hexadecimal equivalent. This can help you discover what hexadecimal prefix is required to create Base58Check strings with a specific prefix, or what is encoded in non-standard Base58 strings generated by service providers.



How to Download and Use Bitcoin Address Utility




Bitcoin address utility is available on GitHub at . It is written in C# and is based on Microsoft's .NET / Visual Studio toolchain. Bitcoin address utility runs natively for Windows, and also runs on Linux and Mac using Mono.


To download and use bitcoin address utility, follow these steps:


  • Download the latest release of the program from or clone the repository.



  • Extract the zip file or open the project folder.



  • Run the BtcAddress.exe file or build the project using Visual Studio or Mono.



  • You will see the main window of the program with. - various tabs for different functions. You can switch between tabs by clicking on them.



  • Select the tab that corresponds to the function you want to perform, such as Address Converter, BIP 0038 Tool, Paper Wallet, etc.



  • Enter the input data, such as bitcoin address, private key, passphrase, etc., in the appropriate fields. You can also scan QR codes or paste from clipboard.



  • Click on the button that executes the function, such as Convert, Encrypt, Decrypt, Print, etc. You will see the output data in the corresponding fields or in a new window.



  • You can copy the output data to clipboard or save it as a file by clicking on the relevant buttons.



Security Tips for Using Bitcoin Address Utility




Bitcoin address utility is a useful tool for bitcoin users, but it also comes with some security risks. Here are some tips to protect your bitcoin addresses and private keys when using bitcoin address utility:


  • Use a trusted source: Download the program only from the official GitHub repository or verify the checksum of the zip file before extracting it. Do not use any modified or unofficial versions of the program.



  • Use a secure device: Run the program only on a device that you own and trust, and that has antivirus and firewall software installed and updated. Do not run the program on a public or shared device, or on a device that may be compromised by malware or hackers.



  • Use encryption and backups: Encrypt your private keys with a strong passphrase using the BIP 0038 tool before printing or saving them. This will prevent anyone from accessing your bitcoins without your passphrase. Also, make sure to backup your encrypted private keys and store them in a safe place, such as a USB drive, a hardware wallet, or a paper wallet. This will help you recover your bitcoins in case you lose your device or your original private keys.



  • Use offline mode: If possible, run the program in offline mode by disconnecting your device from the internet. This will prevent any potential leaks of your private keys or addresses to third parties. You can still use most of the functions of the program in offline mode, except for those that require internet access, such as checking balances or scanning QR codes.



  • Use caution and common sense: Do not share your private keys or passphrases with anyone, even if they claim to be from Casascius or bitcoin address utility. Do not send bitcoins to any address that you do not recognize or trust. Do not use any function that you do not understand or that seems suspicious. Always double-check your input and output data before confirming any transaction.



Conclusion




Bitcoin address utility is a handy tool for bitcoin users who want to create, manage, and secure their bitcoin addresses and private keys. It offers many useful functions, such as converting between formats, encrypting and decrypting private keys, printing paper wallets, and more. However, it also comes with some security risks that require caution and common sense. By following the tips above, you can use bitcoin address utility safely and effectively.


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If you want to learn more about bitcoin address utility or download it for free, visit . If you have any questions or feedback about the program, you can contact Casascius via email at casascius@casascius.com or via Twitter at @CasasciusBTC.


FAQs




What is Casascius?




Casascius is the online pseudonym of Mike Caldwell, a bitcoin user and enthusiast who created physica


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