A library that simplifies supporting multiple authentication providers (wallets) for EOSIO blockchain apps with a single universal API.
Universal Authenticator Library (UAL) is a library that allows EOSIO app developers to support multiple authentication providers, such as wallets like Scatter, Lynx, and Ledger, through a single universal API. It abstracts the complexities of individual wallet integrations, enabling developers to write code once and support all compatible authenticators. This simplifies the process of adding authentication and transaction signing to decentralized applications.
EOSIO blockchain developers building decentralized applications (DApps) who need to integrate multiple wallet providers for user authentication and transaction signing. It is also relevant for wallet developers who want to create UAL-compatible authenticators.
Developers choose UAL because it drastically reduces the time and effort required to support multiple authentication providers, eliminating the need to implement and maintain separate APIs for each wallet. Its consistent API and renderer system ensure a uniform user experience across different applications, increasing both developer productivity and user confidence.
A library for allowing apps to easily use different auth providers.
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UAL abstracts multiple wallet providers into one universal API, allowing developers to 'integrate once and support all' compatible authenticators, reducing development time as highlighted in the 'Why UAL?' section.
Renderers provide a uniform login interface across different sites, promoting user familiarity and confidence, which is a core philosophy of the architecture.
Supports wallets like Scatter, Lynx, Ledger, and community contributions such as MEET.ONE and Anchor, increasing application reach and user choice.
User objects returned by authenticators enable seamless transaction signing requests through the selected provider, as described in the Authenticator section.
As part of EOSIO Labs, it's not officially supported by Block.one and relies on community contributions, leading to potential gaps in issue resolution and updates.
UAL is designed specifically for EOSIO blockchain applications, making it unsuitable for other blockchain platforms without significant modification.
Developers must integrate separate authenticators and renderers, as evidenced by the list of recommended components, adding to initial configuration effort.
Authenticator quality and maintenance vary since contributions are community-driven, risking inconsistent support or outdated implementations.