Blockchain-based accounts are one potentially well-posed solution to the needs outlined above, offering self-custodial data and universal login. Today, creating an Ethereum-based account does not require entering any personal data, and a subject may create an unlimited number of accounts, each represented by a unique address.

Credentials have to be managed, updated, and exchanged. This layer aims to address how DIDs can negotiate proof of control and authentication, as well as securely passing data between identity owners.BrightID is a notable project in this area. It is a social identity network with over 30,000 users that allows people to prove to applications that th... See more

...by using verifiable credential tools such as zero knowledge proofs, a subject can verify they possess personal data without having to publicly reveal it. In short, this wide range of possibilities means web 3.0 “wallets” are actually a very powerful identity regime, and we must think carefully about how we wield them