# Security Models ⎊ Area ⎊ Resource 3

---

## What is the Architecture of Security Models?

Security models define the underlying assumptions and mechanisms that protect a financial system against attack vectors and failures. In decentralized finance (DeFi), security models for derivatives protocols are complex, spanning smart contract logic, oracle reliability, and cross-chain bridge architecture. The model dictates how assets are collateralized, how liquidations are triggered, and how market data integrity is maintained.

## What is the Risk of Security Models?

A security model's primary goal is to mitigate risk, specifically smart contract risk, which arises from flaws in code or logic that can lead to asset loss. The model must also address external risks, such as oracle manipulation, where attackers manipulate price feeds to trigger favorable liquidations. A robust model anticipates these vulnerabilities and implements technical solutions like fraud proofs or multi-signature safeguards to ensure system integrity.

## What is the Trust of Security Models?

Trust assumptions form the foundation of any security model. In a truly decentralized system, the trust assumption shifts from relying on a centralized authority to relying on the integrity of cryptographic mechanisms and economic incentives. Evaluating a protocol's security model requires understanding where trust is placed, whether in code, validators, or a federation of keyholders.


---

## [Security Model Resilience](https://term.greeks.live/term/security-model-resilience/)

## [Security Model Trade-Offs](https://term.greeks.live/term/security-model-trade-offs/)

## [Security-Freshness Trade-off](https://term.greeks.live/term/security-freshness-trade-off/)

## [Blockchain Transaction Security](https://term.greeks.live/term/blockchain-transaction-security/)

## [Liveness Security Trade-off](https://term.greeks.live/term/liveness-security-trade-off/)

## [Order Book Security Measures](https://term.greeks.live/term/order-book-security-measures/)

## [Order Book Security Protocols](https://term.greeks.live/term/order-book-security-protocols/)

## [Order Book Security Best Practices](https://term.greeks.live/term/order-book-security-best-practices/)

## [Economic Security Cost](https://term.greeks.live/term/economic-security-cost/)

---

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---

**Original URL:** https://term.greeks.live/area/security-models/resource/3/