Extension Systems • Estimated 25m

Single-Use Seals

extension.single-use-seals

A single-use seal binds an offchain state transition to a UTXO that can be spent only once. Spending the outpoint closes the old seal and prevents the same state transition from being valid twice.

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Curated resources (2)

• Mastering Bitcoin: Applications (article) Explains how Bitcoin outpoints provide single-use seals for client-side validated systems.
• Mastering Bitcoin (book) Background on UTXOs and application-layer protocols.

Direct prerequisites (1)

• UTXO Model

Direct dependents (1)

• Client-Side Validation

Canonical site description: Interactive Bitcoin knowledge graph with prerequisites, curated resources, and structured topic pages.