{2018-01-23}
description::
· this book covers COMMUNITY-CURRENCIES, mainly technologies before crypto-currency--technology, part-funded by the European Union's Interreg project.
· I published this book in Hitp-format from its original PDF-format with these advantages:
- it is a-webpage, so you need only a-browser to read it.
- automatically created table-of-contents shows the big picture of where you are-reading.
- you can-refer to any paragraph in the-text.
- local links have a-preview.
- from a left tab, you can-search 313 concepts of the-text using the-prefix 'ppm'.