Overview

Since day one, the LACChain Alliance has worked to enable an identity layer on top of the LACChain Networks to allow solutions to leverage it to establish secure and privacy-preserving solutions for end-users. As part of this work, the LACChain Alliance published a book introducing Self-Sovereign Identity and the LACChain ID Framework. In this documentation you will find many resources compatible with the LACChain Networks orchestrated by LACNet that follow the LACChain ID Framework and guidelines and allow developers to easy develop and integrate with our networks all kind of interfaces for issuers, subjects, and verifiers of digital credentials and assets.

Self-Sovereign Identity Book

Self-sovereign identity is a user centric identity approach based on the idea that individuals can manage and present their digital assets using digital wallets, so their can share and exchange them with security assurance and privacy maximization. Our book presents the evolution of identity schemes, the potential of SSI for social and financial inclusion, the road to adoption, and the three layers necessary for its accomplishment: technology, regulation, and trust frameworks. 

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LACChain ID Framework

The LACChain ID Framework is a set of recommendations to build multipurpose, scalable, interoperable, secure, and privacy-preserving digital credentials and wallets. It covers the topics of decentralized identifiers, verifiable credentials and presentations, digital wallets, on-chain public key directories, trusted lists, certificate revocation lists, regulation, and trust frameworks.

Decentralized Identifiers (DIDs)

A DID is «a new type of identifier» that enables verifiable and decentralized digital identity. A DID identify any subject (e.g., a person, organization, thing, data model, abstract entity, etc.) that the controller of the DID decides it identifies. A DID is a URI that associates a DID subject with a DID document allowing trustable interactions associated with that subject, as it contains information about the authentication methods to prove ownership of that DID, endpoints, and other attributes.

Method did:lac

LACChain has developed and maintains the LACChain DID method, which is a fully on-chain DID method based on the ERC-1056 standard. The “lac” DID method allows to maintain a fully on-chain management of DIDs, using smart contracts to store the DIDs and the information associated to them.

There is also implementation of LACChain DID Method in NodeJS. It provides the necessary methods and functions to interact with a DID and resolve a DID Document without the need to directly call the smart contracts.

LACChain ID Registry

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