Show HN: Host-owned vacation rental domains with Ed25519-signed offers

Category: infrastructure

Tags: vacation-rental, direct-booking, cryptographic-signatures

Score: 6.0/10 (Innovation: 7, Technical: 5, Documentation: 4, Utility: 6)

HemmaBo provides a direct-booking infrastructure for vacation rental hosts, enabling them to have their own booking website with live calendar, direct payments, and AI-agent-readable data without relying on OTAs or paying commissions. It uniquely uses Ed25519-signed offers and UCP/MCP/VRP protocols, combining cryptographic verification with modern agent-based booking. The project is interesting for its attempt to decentralize vacation rental booking and reduce gatekeeper dependency.

Target audience: backend devs, devops, data engineers

Repository: https://www.hemmabo.com/

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