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Web based encoding/decoding electrum's base43 format
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Base 43

Try it live at electrum43.org

The Electrum bitcoin wallet uses a custom base 43 encoding on data before it is displayed as a QR code. See the "base_encode" function here:

https://github.com/spesmilo/electrum/blob/master/lib/bitcoin.py

If you used a QR reader to transfer data from electrum off of a machine, you need to be able to transform that into a hex string before bitcoin will know what to do with it. This project offers a webpage and a js library that will decode the Electrum base 43 format.

For example, if the QR code you read was a transaction that you signed on an offline airgapped machine, after using this project to decode it you could use blockchain.info to decode the hex data or broadcast the transaction

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