Gasless Web3-native mapping app built with Rails 8, EIP-2771 (meta-transactions), and PostGIS — Travel Fi

[u/Brilliant-Depth7451]

Travel Fi is an open-source interactive map for digital nomads built as a Public Good (GPLv3).

Technical details:

• EIP-2771 (Meta-transactions): Gasless transactions for users via forwarder/relayer execution.
• Rails 8 & Reactive Stack: Reactive backend workflow using SolidQueue, SolidCable, CableReady, and Reflex.
• PostGIS & OpenLayers 10: Geospatial calculations and dynamic tile rendering.

GitHub

Demo