SSI
Idena is a platform that aims to promote Self-Sovereign Identity (SSI), which is the main idea behind SSI. The goal is to replace human gatekeepers for ID verification with a decentralized open algorithm. This concept is known as The Path to Self-Sovereign Identity.
In order to prove their identity, individuals must present one or more identity markers or verifiable claims. Once verified, users receive a secret key that they physically own and manage, which grants them access to the blockchain network. The authentication information required may vary depending on the purpose, but it often includes IDs and passports issued by states.
However, one criticism of SSI is that if it fails to prove the uniqueness of an individual, it is possible for a person to have multiple valid digital IDs. Additionally, there is concern that users can forge documents to verify their ID using simple means, and the document holder does not necessarily have to be human. Another issue is the insufficient checks on centralized authority and the lack of coordination among competing standards. This puts the burden on the government to verify official certificates against a large number of fraudulent IDs that are in circulation. Furthermore, the currently circulating passports are compatible but not standardized, which poses a problem. There is also the possibility of bias in the verification algorithm, where a certificate from one country may be considered more reliable than a certificate from another country, such as the United States being favored over Nigeria.