Vein.fm (formerly known as Vein) is an American metalcore band from Boston, Massachusetts that formed in 2013. In 2017 the band was signed onto Closed Casket Activities, who would issue their first full-length work Errorzone to warm reception among critics, even appearing on Revolvers early "Best Albums of 2018" list. The album also managed to peak at number 21 on Billboard's Hard Rock album chart. In July 2020, after the release of their remix album, the band announced it changed its name to Vein.fm.