Does notarisation into the blockchain have the same validity of other forms of certification provided by PROs and similar companies? Follow Fiammetta Longo November 08, 2018 16:18 Updated In this article Absolutely yes. Related articles By registering them on Soundreef, are my songs automatically protected? What if I protected my music with another company previously? Do I need a new certification of those songs as well? What is a timestamp? Can I be registered with Soundreef and another collecting society?