In Europe at the beginning of the year 2020, due to the Covid19 epidemic, numerous national borders were abruptly closed. These closures, the first of their kind, referred to as "covidfencing" in this article, were a serious setback for many cross-border workers. This episode has demonstrated the deterritorialisation of numerous activities in Europe, which are no longer tied to one territory, but to several, and the dependency of these activities on borders.
