Galante Lourenco Goncalves Valério, Nuno Filipe. “Immutability Is Not Trust: Recourse, Reversibility, and the Patient at the End of the Chain: Immutability Is Not Trust”. Blockchain in Healthcare Today 9, no. 2 (August 31, 2026). Accessed September 1, 2026. https://blockchainhealthcaretoday.com/index.php/journal/article/view/518.