The article discusses the legal protection of consumers in online transactions (e-commerce). It highlights the negative impacts of technology and the internet on users, emphasizing the need for understanding, seriousness, and willingness to engage in online business and transactions. The article defines breach of contract as a situation where one or both parties fail to fulfill their obligations as agreed upon, which can occur intentionally or unintentionally. The authors explore various forms of breach of contract in online sales and purchases, such as delayed payments, non-payment, and sending goods that do not match the agreement. They emphasize that these actions can have legal consequences and should be recognized as breaches of contract. The article also delves into the legal framework governing e-commerce, including the Consumer Protection Law (UUPK) and the Law on Information and Electronic Transactions (UUITE). These laws outline the rights and obligations of consumers and businesses, ensuring that transactions are fair and transparent. The authors provide examples of specific provisions in these laws that protect consumers, such as the right to receive accurate information, the right to compensation for non-conforming products, and the right to seek redress through legal means. Additionally, the article discusses the different types of e-commerce, including B2B, B2C, C2C, C2B, B2A, and O2O, and how each type affects consumer protection. It also outlines the steps consumers can take to resolve disputes, including litigation and non-litigation methods, and the role of various institutions in facilitating these processes. In conclusion, the article emphasizes that the Consumer Protection Law and the Law on Information and Electronic Transactions provide adequate legal protection for consumers in e-commerce transactions. It highlights the importance of understanding and adhering to these laws to ensure fair and secure online transactions.The article discusses the legal protection of consumers in online transactions (e-commerce). It highlights the negative impacts of technology and the internet on users, emphasizing the need for understanding, seriousness, and willingness to engage in online business and transactions. The article defines breach of contract as a situation where one or both parties fail to fulfill their obligations as agreed upon, which can occur intentionally or unintentionally. The authors explore various forms of breach of contract in online sales and purchases, such as delayed payments, non-payment, and sending goods that do not match the agreement. They emphasize that these actions can have legal consequences and should be recognized as breaches of contract. The article also delves into the legal framework governing e-commerce, including the Consumer Protection Law (UUPK) and the Law on Information and Electronic Transactions (UUITE). These laws outline the rights and obligations of consumers and businesses, ensuring that transactions are fair and transparent. The authors provide examples of specific provisions in these laws that protect consumers, such as the right to receive accurate information, the right to compensation for non-conforming products, and the right to seek redress through legal means. Additionally, the article discusses the different types of e-commerce, including B2B, B2C, C2C, C2B, B2A, and O2O, and how each type affects consumer protection. It also outlines the steps consumers can take to resolve disputes, including litigation and non-litigation methods, and the role of various institutions in facilitating these processes. In conclusion, the article emphasizes that the Consumer Protection Law and the Law on Information and Electronic Transactions provide adequate legal protection for consumers in e-commerce transactions. It highlights the importance of understanding and adhering to these laws to ensure fair and secure online transactions.