fix: empty twitter handle for Sarah in FHE blind arbitrage (#201)

Author: jopasserat

content/2024-07-19-blind-arbitrage-fhe.mdx

@@ -16,7 +16,7 @@ This article examines the application of Fully Homomorphic Encryption (FHE) in t
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-*Thanks to [Sarah Allen](https://twitter.com/) and [Leonardo Arias](https://collective.flashbots.net/u/chayoterabit/) their feedback on the initial version.* 🙏
+*Thanks to [Sarah Allen](https://x.com/sarahalle_) and [Leonardo Arias](https://collective.flashbots.net/u/chayoterabit/) their feedback on the initial version.* 🙏
 *This work was recently presented at [ETHCC](https://ethcc.io/archive/Mitigating-MEV-with-FHE-Blind-Arbitrage-on-Ethereum).*
 
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