The Eusko, France's Local Currency That Circulates Alongside the Euro

Introduction: a currency most French people have never heard of

An overlooked economic reality outside the Basque Country

Many French people have no idea that, right within their own country, several complementary local currencies circulate alongside the euro, used every day by thousands of citizens in certain regions, often without the rest of the country having the slightest clue. Among these initiatives, the eusko, the local currency of the French Basque Country, stands out as the most developed and most closely studied example of this kind of alternative economic tool.

Although little known to the general public, this reality rests on precise economic principles and on a perfectly legal framework overseen by French monetary authorities, which clearly sets these local currencies apart from mere informal experiments or improvised barter systems, often wrongly seen as marginal or temporary.

A phenomenon that has been expanding for more than a decade

Launched in 2013 in the French Basque Country, the eusko has become the most widely used complementary local currency in Europe, accepted by more than a thousand businesses and designed to support the local economy and short supply chains rather than large retail chains and big national or international commercial groups, seen as less beneficial for the local economy.

This success, far from remaining an isolated case, has inspired the creation of dozens of other local currencies across France, each adapted to the economic and cultural specifics of its home region, together forming today a genuine national network of alternative monetary tools, closely followed by local governments and researchers in regional economics. Similar experiments have since emerged in neighboring European countries, though few have reached the scale and institutional maturity of the Basque model.

How the eusko actually works day to day

A fixed-parity conversion with the euro

Convertible with the euro at a fixed exchange rate, the eusko operates on a simple exchange principle: one euro given always equals one eusko received, which rules out any speculation on the value of this local currency and guarantees complete stability for both users and the partner businesses involved in the system.

This fixed parity is an essential part of the system's credibility, since it reassures both individuals, who know exactly what their local currency is worth, and merchants, who can convert their eusko back into euros without fearing an unexpected loss of value tied to market swings — a safety net essential to getting merchants on board en masse. Without that guarantee, few shopkeepers would have agreed to accept a currency unfamiliar to most of their customers.

A currency that resists easy hoarding

Unlike the standard euro, the eusko is also not easily hoardable over the long term under favorable terms, a deliberate choice by the system's designers meant to encourage its fast circulation rather than its passive accumulation in traditional savings accounts.

This built-in incentive pushes eusko holders to spend their local currency quickly within the network of partner businesses rather than holding onto it indefinitely, which mechanically speeds up monetary circulation within the region and energizes local economic activity — an effect its Basque founders were aiming for from the very start.

The economic goal behind creating these local currencies

Favoring short supply chains over large retail

The primary goal of the eusko and other complementary local currencies remains to favor short supply chains and neighborhood-scale economics, deliberately steering residents' spending toward local merchants and producers rather than toward big national chains or international online marketplaces.

This approach fits into a broader ambition to strengthen the economic resilience of the regions involved, limiting capital flight to the outside while maximizing the wealth that stays and circulates directly within the local community of origin, rather than evaporating toward distant head offices.

Speeding up the circulation of money within a region

This kind of complementary currency is specifically designed to speed up the circulation of money within a given region, an economic model built on the idea that the faster a currency changes hands locally, the more economic activity and jobs it generates for the people of that region — a logic at the very heart of the local currency philosophy.

Supporters of the system argue that this acceleration of monetary circulation produces a bigger local multiplier effect than the one generated by the standard euro, a significant share of which can quickly leave the region through purchases made from outside businesses — a leakage the eusko's defenders are specifically trying to limit.

The legal and institutional framework surrounding these systems

Official recognition by French authorities

Contrary to what one might assume, these local currencies do not operate in a legal vacuum: they are fully recognized and regulated by French monetary authorities, including the Banque de France, as well as by the Ministry of the Economy, which closely monitor the development of these regional initiatives without seeking to slow their gradual growth.

This official recognition allows complementary local currencies to operate entirely within the law, under precise rules governing their issuance, conversion, and use, guaranteeing the legal certainty that merchants and individuals need before actively taking part on a daily basis.

Oversight needed to prevent abuse

This strict regulatory framework is also meant to prevent any potential abuse, particularly in terms of money laundering or tax evasion — risks that French authorities closely monitor as these alternative monetary systems develop across the entire country.

The associations that manage these local currencies must therefore comply with precise financial transparency requirements, including regular audits and rigorous management of the euro reserves that guarantee the local currency's convertibility for users at all times — an essential guarantee of trust for the system to function properly.

The concrete impact on businesses and residents of the Basque Country

More than a thousand partner businesses in the system

In concrete terms, the eusko is now accepted by more than a thousand partner businesses spread across the entire French Basque Country, ranging from bakeries and restaurants to bookshops and local artisans, forming a dense and diverse economic network that residents committed to this civic and regional approach particularly appreciate.

This extensive commercial network lets eusko users go about an almost entirely normal daily life without constantly needing to convert their local currency back into euros, strengthening the appeal and practicality of the system for the entire local population involved — a key factor in its lasting adoption.

A tool for raising awareness of responsible consumption

Beyond its strictly economic dimension, the eusko also plays an important role in raising civic awareness around more responsible, more local consumption, encouraging residents to think more carefully about where the products they buy come from and about the real economic impact of their everyday spending choices.

Many users report a gradual shift in their consumption habits since joining the system, now more consistently favoring neighborhood businesses over big-box stores — a positive side effect frequently highlighted by supporters of this kind of regional initiative, beyond the purely monetary side of the system.

The spread of local currencies across France

Dozens of similar initiatives in other regions

The eusko's success has directly inspired the creation of dozens of other complementary local currencies across France, each carrying a different name and adapted to the economic, cultural, and geographic specifics of its own home region.

These initiatives, though varied in scale and degree of success, all share the same fundamental goal of strengthening the local economy and building social ties around more conscious consumption, one more firmly rooted in the everyday life of residents across France. Some have folded within a few years for lack of critical mass, while others, following the eusko's lead, have managed to build lasting momentum.

A still-modest movement in steady growth

Despite this proliferation of initiatives across the country, it's worth noting that these local currencies remain, in total transaction volume, extremely marginal compared with the standard euro, which obviously remains the reference currency used by the vast majority of French people every day — without that undermining the value of these local initiatives. Even the eusko, the clear leader of the pack, still represents only a tiny fraction of the money changing hands across the wider Basque economy.

This gradual but steady growth nonetheless reflects real and lasting interest in this type of alternative economic tool, driven by citizens and local governments convinced of the usefulness of these tools for energizing their respective regional economies, against the initial skepticism of some observers who once dismissed the whole idea as a passing fad.

Conclusion: a complement to the euro, not a threat to it

A peaceful coexistence with Europe's single currency

It's worth remembering that these complementary local currencies pose no threat whatsoever to the euro or to national monetary stability, but instead work in full complementarity with Europe's single currency, within a legal framework strictly overseen by the relevant French and European authorities.

Their goal remains above all local and regional, seeking to strengthen neighborhood-level economic activity rather than compete with or replace the national and European monetary system they fully and legally operate within, never seeking to substitute for it or weaken its overall stability.

An example of citizen-driven economic innovation

The eusko and France's other local currencies ultimately illustrate a form of citizen-driven economic innovation, carried forward directly by the residents and merchants of a given region who want to reclaim a measure of control over the economic forces shaping their daily lives and their immediate surroundings, at the scale of one specific territory.

This experiment continues to be closely followed by researchers, economists, and policymakers curious to assess its real capacity to durably transform consumption habits on a larger scale in the years ahead, in France and elsewhere in Europe. This ongoing scrutiny will likely help clarify whether this kind of tool, still marginal today, is capable of one day carrying more weight in the national economic landscape, or whether it will remain, above all, a modest but meaningful local symbol of civic engagement. Either way, the eusko has already proven, quite convincingly, that a community can design and sustain its own monetary tool without any help from Paris or Brussels.

By Maxime Marquette, columnist

Sources

Primary sources

Banque de France — official site — accessed 2026

Eusko — local currency of the Basque Country — accessed 2026

Ministry of the Economy — official site — accessed 2026

Secondary sources

Le Monde — Economy — accessed 2026

BBC News — Business — accessed 2026

The Guardian — Business — accessed 2026