To get an idea of ​​how they work and what their usefulness is in a local environment, we propose an approach to the following complementary currencies.

1- Seville time bank

2- Ekhilur in Bilbao

3- Varamedí in Zafra (Badajoz)

5- Brixton pound

6- Ossetana in San Juan de Aznalfarache (Seville)

7- Sardex in Sardinia