SoK: Off The Chain Transactions
summary
Systematizes off‑chain transaction designs and classifies real implementations into payment channels and state channels, compares their deployment and on‑chain reliance, and evaluates tradeoffs along security vs liveness and fee/latency metrics. Uses protocol models and threat taxonomies to show common failure modes and the challenge of dispute resolution in practice. Highlights which constructions actually reduce on‑chain load, which require complex client logic, and which design gaps remain for robust, interoperable networks.
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