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Web tool to sweep bitcoin from a BIP39/BIP32/BIP44 account structure

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DanielWeigl/MasterScan

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Masterscan

A web tool to scan multiple Bitcoin accounts for funds and send them to a new account. You can provide a BIP39 wordlist or a BIP32 serialized private or public key.

The tool scans for following accounts:

  • The root account (m/k)
  • The BitcoinCore (>V0.13.0) account (m/0'/0'/k')
  • The BIP44 HD accounts (m/44'/0'/acc'/{0/1}/k)

It has a bit more relaxed gap settings than the original definition (5 for change chain and 25 for external chain)

It uses insight.is to fetch address balances and the UTXO set.

Local development or how to run it locally

  • Install (if you don't have them):
    • Node.js: brew install node on OS X
    • On OsX you also need brew install cairo
    • Bower and Brunch: npm install -g bower brunch
    • Brunch plugins and app dependencies: brunch build
  • Run:
    • brunch watch --server — watches the project with continuous rebuild. This will also launch HTTP server with pushState.
    • brunch build --production — builds minified project for production
  • Development:
    • public/ dir is fully auto-generated and served by HTTP server. Write your code in app/ dir.
    • Place static files you want to be copied from app/assets/ to public/.
    • Brunch site, Getting started guide

How to use it

If you use it with a masterseed with funds on it, you need to ensure the computer you use is safe (no keylogger, trojan, ...). It needs to be able to fetch data from an external server to scan for funds, so you cant run it offline.

Either build it yourself and run it locally to prevent any chance of tampering or run the live version here https://mycelium-com.github.io/masterscan/

It is advised to not reuse a masterseed afterwards, if you entered it on a internet connected device.

License

This tool is MIT-licensed.

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Web tool to sweep bitcoin from a BIP39/BIP32/BIP44 account structure

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