Modern Economics & Management Forum

With the continuous development of the digital economy, corporate marketing activities are undergoing an in-depth transformation from traditional models to intelligent and credible ones. Blockchain technology, with its core characteristics of "decentralization, traceability, and immutability", provides brand-new technical support and development space for the digital innovation of marketing. Focusing on the application of blockchain technology in marketing scenarios, this paper explores how it reshapes the marketing ecosystem in terms of brand traceability, user data management, and transparency of advertising placement. Blockchain not only improves the transparency and security of the marketing process but also establishes a more credible and interactive value chain between enterprises and consumers.