Outixs has a robust transaction model that integrates Bitcoin UTXOs with Nostr events, enabling complex interactions.Key components of Outixs transactions include UTXO inputs and outputs, Nostr events, state management, compression, and finalization.Bitcoin provides the secure base layer while Nostr's event-driven framework enables real-time interactions in Outixs.Outixs SDK offers UTXO fetching, event-driven architecture, efficient anchoring, and modular design for decentralized applications.