Description: The ‘Anonymity Set’ refers to a group of users whose identities are indistinguishable from one another, meaning that it is impossible to determine who is who within that group. This concept is fundamental in the realm of online privacy and security, as it allows individuals to interact and communicate without revealing personal information that could compromise their identity. In a digital environment, anonymity is achieved through various techniques and tools that hide IP addresses, encrypt information, and use decentralized networks. The ‘Anonymity Set’ is particularly relevant in contexts where freedom of expression is limited or where users may face retaliation for their opinions. By maintaining anonymity, users can engage in discussions, share information, and collaborate without fear of being identified. This concept also applies in research contexts, where respondents can provide sensitive information without the risk of being identified. In summary, the ‘Anonymity Set’ is an essential pillar for protecting privacy and freedom in the digital world, allowing people to express themselves and connect without the constraints imposed by personal identification.