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1  Bitcoin / Project Development / Hashmal - Transaction Script IDE (alpha) on: September 01, 2015, 11:25:16 PM
Transaction Script IDE (Github | IRC)

Hashmal is an IDE for Bitcoin transaction scripts. Its purpose is to make it easier to write, evaluate, and learn about transaction scripts. There are very few tools that help people learn about how transaction scripts work; hopefully Hashmal can do this.

Demonstration of stack evaluation.

Hashmal is intended for cryptocurrency developers and power users. It uses python-bitcoinlib for most of its functionality.

Key Features

  • Write scripts in human-readable form.
  • Observe the stack as scripts are executed.
  • See explanations of script operations as they are evaluated.


Hashmal is a project in its infancy. Please be careful if you intend to use any scripts you make in Hashmal with an actual blockchain. This is alpha software.

You can download Hashmal from Github.
2  Bitcoin / Wallet software / Encompass Multi-Coin Wallet on: May 21, 2015, 04:51:40 AM

Encompass Multi-Coin Wallet
( Website | Github Repository )

Encompass is a multi-coin lite wallet based on Electrum. It's fully BIP-0044 compatible. This means that one master key is used to derive keys for all coins. With Encompass, one mnemonic seed is used to generate a master key. As a result, backing up that mnemonic means that you've backed up all the keys for all the coins that Encompass supports now, and will ever support in the future.

Encompass uses chainkey modules to support coins, so new coins can be added with relative ease. Chainkey modules are basically python files that contain all the information needed about a coin. Since it's based on Electrum, existing Electrum-style servers for a coin can be used to serve Encompass wallets. For more info on Chainkey modules, see the README.

Latest Release
Latest release is 0.5.0.
Supported coins:
  • Bitcoin
  • Mazacoin
  • Litecoin
  • Viacoin
  • Dash

The website linked to at the top of this thread contains more info. I just made this thread so that we'd have a dedicated thread for Encompass.
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