What Are Complementary Currencies?

Complementary Currencies are monetary networks that operate in complement to the national currency, and generally below the national level. Groups, neighbourhoods, communities, towns, cities, regions and provinces can design and implement their own complementary...
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Start Your Own Complementary Currency

The Complementary Currency Resource Center is the place to go for all the resources, information and support you need to design and implement your own complementary currency system.
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Complementary Currency Systems Worldwide

The CC Database, designed by the CC Resource Center, is your source for detailed information on Complementary Currency Systems worldwide.
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Complementary Currency Research Group

The CC Research Group was formed by Stephen DeMeulenaere in 2002 to bring students, academics, authors, researchers and others interested in a deeper understand into the philosphy, theory, design and analysis of complementary currency systems.
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“We need not petition Congress and we need not waste time to denounce bankers, for they can neither help nor hinder our natural right to extend credit to each other, and this is the perfect basis for a money system.” 

E.C. Riegel (1879-1953)

The New Approach to Freedom

What We Do

We’re an international, multi-lingual, cross-disciplinary network of mutually-supportive monetary activists, promoters, practitioners, coders, researchers and change makers.

We collaborate on the design, implementation, research, training and dissemination of best practices in complementary currency systems.

Does this sound like you? Join Us!

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Upcoming Events

10-14 May 2017
4th International Conference on Social & Complementary Currency Systems in Barcelona, Spain

12 December 2016
Money and Society Summit in Ubud, Bali, Indonesia

6 October 2016
DigiPay 4 Growth Conference in Vienna, Austria.

See all Past Events

Help Us Give

The CC Resource Center welcomes your contributions in Time, Complementary Currency and Bitcoin.

Please contact us for more information.

We Accept Bitcoin

Stephen's Bitcoin Address

Latest Additions to the Complementary Currency Library and Database

Latest Additions to the CC Library

Latest Additions to the CC Database

Latest News from the World of Complementary Currencies

We’re hiring! Come and work in our cafe

Join our team at the Brixton Pound Cafe Are you a budding barista? Do you have flair and panache in the kitchen? Are you imaginative and creative? Would you like to be part of a friendly local community? We’re currently looking for new people to staff our pay-as-you-feel café in central Brixton. We make tasty […]

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Annette Riggs Elected to Barter Hall of Fame

Will Be Inducted at 2017 Cancun Convention The Barter Hall of Fame Committee is pleased to announce that Community Connect Trade Association’s, (CCTA), founder and Managing Director, Annette Riggs has been elected to receive the 2017 Barter Hall of Fame Award at IRTA’s 38th Annual International Convention at the Grand Oasis Resort in Cancun. Annette has over 30 years of …

The post Annette Riggs Elected to Barter Hall of Fame appeared first on IRTA — International Reciprocal Trade Association.

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Software needed by the Credit Commons Collective

The Credit Commons Collective is collaboration between, initially at least, three community currency networks.

  • CES has been providing community currency software-as-a-service since 2002
  • Community Forge has been providing free web sites for LETS and timebanks since 2009
  • CES Australia became independent from CES in 2011, to run its own local web server.

Despite their social impact, these networks find it very hard to engage software developers, to keep up to date, to embrace recent technologies, to be visible to donors. We see the froth of innovation all around us, beautiful new software galore but with zero users, while our networks which have outgrown what any single developer could support, are stagnating.

We want to transition to a new software architecture which

  • uses new languages and approaches and hence has a ready pool of volunteers.
  • allows our different local communities more ways to interact
  • is comprised of smaller, more modular components for ease of maintenance and ownership by many parties
  • has re-usable components so we don’t have to reinvent the wheel.
  • allows members to be identifiable within the group, but private from the outside.
  • supports non-community currency groups with tools not tied to a particular ideology.

This probably needs to be done gradually, delivering benefits to users at each stage. So I’m going to describe the series of initiatives which we have in mind.

1. Mobile phone app.
Our platforms and other community currency platforms are way behind when it comes to mobile app development and we are surely failing to reach the young and the poor. However since the functions of community exchange are very similar in all platforms, we should all be able to use the same mobile app. It is a relatively simple matter to extend each platform to serve the same API, and much progress has been made on this. But we need app developers to finish it!
2. Standardised noticeboard index
There are many, many advertising spaces on various web platforms from facebook.com to streetbank.com. But with different networks competing in the same spaces, users unable to see their next-door neighbours on different platforms are not being well served. We want to create a web service for indexing member ads accross platforms, with a REST interface to interrogate it. Ads should be geolocated and the host platforms should forward messages to the ad owners in order to restrict their identities only to the respective groups of which they are members. We want the ads themselves to be in a politically neutral space (like a blockchain) and to choose which sources of ads to index for our users. We think this tech would be widely useful, and if we had it right now we could migrate off CES ancient platform.
3. Standardised ledger service (becoming Credit commons service)
Each community and each platform currently does its own accounting in its own database. This works if you think a community currency is so specialised as to justify its own platform, but if you want to add a currency to an existing community it is less useful. We need therefore a REST service for community currency accounting, so that app developers do not have to build a back end – they can just plug in. Another reason for standardising the accounting function is to make transactions interoperable, as described in our Credit Commons white paper

We imagine other standardised REST services for group applications, for example savings pools accounting, forums, news & events, ridesharing, governance/decision-making. They would serve equally well both the outdated web platforms we now use and the more modern app-only approach.

The collective exists to offer software and coordination not only for complementary currency projects but for, broadly speaking, the rather dispersed relocalisation movement. We believe decentralisation is an important political goal, but not an absolute Good; coordination is critical within decentralised structures.

Will you help us? We are seeking long term volunteers to commit of course to writing and maintaining software, and also to spreading the word, building relationships, seeking funding, translating.

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Escape from prison and oppression

In this video below, Professor Jem Bendell of Cumbria University (UK) interviews South African Tim Jenkin about his anti-apartheid work in the 1970s and his more recent alternative exchange activities. Jenkin briefly recounts how he assisted the African National Congress … Continue reading

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How to Set Up a Community Co-op

Before joining the Institute for Solidarity Economics recently, I spent the last five years working for rural communities charity the Plunkett Foundation, an organization which supports the establishment of community co-operatives. Community co-operatives are businesses which trade primarily for the benefit of their community. Controlled by the community themselves, they have open and voluntary membership and, crucially, they encourage people to get involved – either by becoming a member, or by volunteering time or getting involved in another way.

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Interview Charles Eisenstein 2014 – Question 12

Jump directly to the following questions covered in this interview: Q 1 –   How did you start thinking about money? Q 2 –   Is your work on money-systems related to your personal experiences? Q 3 –   What did you expect when you started your research and what do you think about your findings today? Q […]

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