IBTIHAJUL ISLAM; DR. KASHIF SALEEM. Secure Escrow and Settlement Architecture for High-Value Web3 Marketing Campaigns: Multi-Sig, Role Segregation, and Formal State Transition Controls. American Journal of AI Cyber Computing Management, [S. l.], v. 5, n. 3, p. 121–131, 2025. DOI: 10.64751/ajaccm.2025.v5.n3.pp121-131. Disponível em: https://ajaccm.com/journal/index.php/ajaccm/article/view/295. Acesso em: 3 nov. 2026.