refactor: moved org-agent to its own repository as a submodule

notes/proof_of_work_vs_stake.org

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+#+TITLE: Proof of Work vs Proof of Stake
+#+ID: 0450c91b-55a5-4bcc-9bc2-2478d983be3c
+
+* Proof of Work vs Proof of Stake
+
+** Core Concepts
+
+- **Proof of Work (PoW):** Uses computational energy as the primary mechanism for Sybil resistance and achieving consensus.
+- **Proof of Stake (PoS):** Uses capital at risk (staked tokens) to achieve the same goal.
+
+** Fundamental Differences
+
+| Aspect | Proof of Work | Proof of Stake |
+|--------|---------------|----------------|
+| Foundation | Physics (energy) | Economics (capital) |
+| Sybil Resistance | Computational cost | Financial stake at risk |
+| Resource Required | Hardware/energy | Capital/tokens |
+
+** Open Question
+
+PoW may be more fundamentally grounded in physics, while PoS is grounded in economics. Further exploration needed on the implications of this distinction.
+
+** Source
+
+- Captured as fleeting note on [[id:20260317T1100][2026-03-17]]
+- Originally part of daily blockchain consensus reading
+
+** See Also
+
+- #consensus #blockchain #energy-economics