A Decentralized Autonomous Organization (DAO) is an organizational structure that operates autonomously through smart contracts and blockchain technology, without the need for a central authority or hierarchical management.
A 51% attack, also known as a majority attack, is a potential security vulnerability that can occur in blockchain-based cryptocurrencies. It refers to a situation where a single entity or a group of colluding entities gains control over more than 50% of the total hashing power or computational resources of a cryptocurrency network.