This study aims to analyze legal protection for consumers in digital transactions, with a focus on reviewing the implementation of the Consumer Protection Law in marketplaces. The rapid development of electronic commerce has presented various conveniences for consumers, yet on the other hand, it has also created significant vulnerabilities, such as information asymmetry, mismatch between goods and descriptions, misuse of personal data, and obstacles in dispute resolution. This study examines the normative framework governing consumer protection, the legal responsibility of marketplaces as intermediaries, the implementation of consumer rights in transaction practices, and dispute resolution mechanisms along with their challenges. The method used is normative legal research with statutory and conceptual approaches. The results show that although Indonesia has a fairly comprehensive legal foundation, its implementation in the marketplace ecosystem still faces various gaps, particularly regarding the ambiguity of the definition of business actors, unclear platform liability, limited dispute resolution mechanisms, and weak personal data protection. Therefore, harmonization of regulations, strengthening of law enforcement, improvement of consumer literacy, and development of more adaptive and accessible dispute resolution mechanisms are necessary.
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