SecondSign Core
Copyright 2026 SecondSign contributors

This product is licensed under the Apache License, Version 2.0 (the
"License"); see the LICENSE file for the full terms.

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Attributions
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Portions of SecondSign's design and, in places, its wording derive from
Doberman-Core, an Apache-2.0 licensed project:

    Doberman-Core — https://github.com/fu351/Doberman-Core
    Copyright the Doberman-Core contributors (maintainer: Alan Fu, @fu351)
    Licensed under the Apache License, Version 2.0

Specifically, SecondSign reuses architectural patterns established in
Doberman-Core — the raise-only / monotone combination of guardrail verdicts,
the fail-closed isolated-plugin runner, and the frozen redaction-safe data
models — and a small number of explanatory code comments adapted closely from
that project. SecondSign is an independent reimplementation for the financial
authorization domain, not a fork; it shares no Git history with Doberman-Core.
