With Elastic, instead of specific use cases, a use case has to be coded by the user of the system in Elastic’s own programming language - Elastic PL.
'Remme is an ecosystem of Identity and Access Management products with a digital key at its heart. Founded in 2015, Remme is building the decentralized Public Key Infrastructure protocol and PKI-enabled apps to address the challenges of Web 3.0. Remme Protocol aims to become the next-generation blockchain-based PKI alternative. It is open-source and customizable to suit business needs. Remme Protocol provides a basis for establishing self-sovereign and authority-issued identities, with a host of use cases. Remme Auth is a 2-click authentication solution that allows users to securely access a website without passwords. Instead, the solution uses Web Cryptography API and blockchain technology. With the Protocol being built on EOSIO codebase, REMChain is an independent blockchain fueled by the REM token. REM is an ERC-20 token on Ethereum with the permanent possibility to swap it to REMChain native tokens in both directions.'