Payment batching reference materials

The following files were used to generate illustrations and data for a BitcoinTechTalk article about payment batching.

To use the python code, you need a Bitcoin Core node (0.15.0 tested) and should run the following commands:

virtualenv -p python3 venv
. venv/bin/activate

To use the *.plot file, you will need to install gnuplot (version 4 tested).