Ethereum Wallet Private Key Barcode Generator
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Simple script collection, currently in bash and python format, to generate a complete offline Ethereum wallet by creating an ECDSA keypair and derive its Ethereum address.

You can read my article about it here: https://kobl.one/blog/create-full-ethereum-keypair-and-address/

IMPORTANT Gta 5 cd key generator pc. The python version of this script has been updated to support mixed-case checksum address encoding through EIP55.

Python dependencies

  • ECDSA https://pypi.python.org/pypi/ecdsa
  • pysha3 https://pypi.python.org/pypi/pysha3

You can also use the included requirements.txt file to install them

Bash dependencies

  • OpenSSL
  • SHA3sum (keccak-256sum) https://github.com/maandree/sha3sum

Compiled, statically linked versions of the keccak-256sum executable are available in the lib folder of this repo for i386 and x86_64.

Importing private key to geth

Download ethereum wallet

You can use the generated private key to import in to geth (https://github.com/ethereum/go-ethereum).

Note that geth will ask you immediately to choose a passphrase to protect the newly imported key.

Example

Application Description

Command line tool to create (offline) Ethereum paper wallets.

Demo Output

The output of the tool is a HTML page that can be viewed in any browser.An example output is provided below.

The game seems to check when you have internet connection. I unlplugged my ethernet cable and tried to launch the game through steam. Tropico 4 product key generator.

As we want to create paper wallets, the CSS is prepared make the HTML printable.

Run the Application

After cloning this repo build the command line tool using Maven.

The result of the Maven build is an executable JAR file.

Creating a Paper Wallet

Use the following command to create a paper wallet.

This will lead to some information on the console

Three file are created by the tool as indicated in the output above

  • The actual wallet file (UTC--2017-01-14T11-34-23.83.. .json)
  • The HTML file for printing (UTC--2017-01-14T11-34-23.83.. .html)
  • The image file with the QR code for the paper wallet address (UTC--2017-01-14T11-34-23.83.. .png)

Verifying a (Paper) Wallet

The tool also allows to verify a provided wallet file against a provided pass phrase.

Download Ethereum Wallet

This will lead to some information on the console

Creating an offline Transaction

The tool further allows to create an offline transaction for provided wallet details

Ethereum Wallet Private Key Barcode Generator

leading to the following output.

Ethereum Wallet Private Key Barcode Generator Download

The last line may be used to send the transaction to the Etherem network (using your infura token).

Dependencies

Private Key Definition

The project is maintained with the Eclipse IDE using Java 8. Building the project is done with Maven.For Ethereum the web3j library is used,to create QR codes the ZXing library andfor command line parsing the JCommander library.