{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What does db.preset do in Opera on the Fantom blockchain?","a":"In the Fantom blockchain, db.preset serves as a setting and management tool for blockchain databases in Opera. It allows users to pre-configure and manage the data storage of blockchain instances, enabling efficient deployment and operation of smart contracts and DeFi applications in Opera. By using db.preset, developers can easily create and manage blockchain instances with different configurations to meet  the demands of various use cases. Moreover, db.preset supports multiple database types such as Gensis, Scarlet, and Aurora, providing developers with greater flexibility. In summary, db.preset plays a crucial role in the Fantom blockchain's Opera by enabling efficient management and configuration of blockchain databases."}]}],"pr":"44410ab74b760398e8e699f9ac4fd74003353f3f6009572fc73223328a570f29"}