El Salvador became the first country to adopt Bitcoin as legal tender Tuesday, but the rollout stumbled in its first hours and President Nayib Bukele said the digital wallet used for transactions was not functioning.

In a rock concert-like atmosphere, El Salvador President Nayib Bukele announced that his government will build an oceanside “Bitcoin City” at the base of a volcano.

After El Salvador’s congress made the bitcoin legal tender this week, eyes turned to this rural fishing village on the Pacific coast. Known to surfers for its pounding waves, El Zonte has had the cryptocurrency in its economy for the past year.