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![NamasteArbitrum Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::1813854863136092160.png) Namaste Arbitrum (💙, 🧡) 🇮🇳 [@NamasteArbitrum](/creator/twitter/NamasteArbitrum) on x XXX followers
Created: 2025-07-23 15:03:41 UTC

4️⃣ Optimistic Rollup + Interactive Fraud Proofs

Nitro uses an Optimistic Rollup design:
▫️Transactions are assumed valid
▫️Disputes are resolved through interactive fraud proofs
▫️Only disputed steps are re-executed on Ethereum

This balances efficiency and trust-minimization.


XX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1948036299589587099/c:line.svg)

**Related Topics**
[nitro](/topic/nitro)
[rollup](/topic/rollup)
[ethereum](/topic/ethereum)
[coins layer 1](/topic/coins-layer-1)

[Post Link](https://x.com/NamasteArbitrum/status/1948036299589587099)