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 Tue May 14 2024: Guest talk
   - *Speaker*: [Iam Miers](https://www.cs.umd.edu/~imiers/), University of Maryland.
 
-
 Thu May 16 2024: Class cancelled (work on your projects)
 
 Thu May 21 2024: Guest talk
@@ -125,13 +124,19 @@
     - [SoK: Decentralized Finance (DeFi) Attacks](https://arxiv.org/pdf/2208.13035.pdf) by Liyi Zhou et al.
 
 Tue May 28 2024: Cross-chain bridges
+    - [*Slides*](./slides/briges.pdf)
+    - *Reading*:
      - [zkBridge: Trustless Cross-chain Bridges Made Practical](https://dl.acm.org/doi/abs/10.1145/3548606.3560652) by Tiancheng Xie et al.
 
 Thu May 30 2024: Bridge hacks
-- *Reading*:
-    - [SoK: Security of Cross-chain Bridges: Attack Surfaces, Defenses, and Open Problems](https://arxiv.org/abs/2312.12573) by Zhang et al.
-
-Tue Jun 4 2024: TBA
+    - *Reading*:
+      - [SoK: Security of Cross-chain Bridges: Attack Surfaces, Defenses, and Open Problems](https://arxiv.org/abs/2312.12573) by Zhang et al.
+
+Tue Jun 4 2024: Avalanche
+     - *Reading*:
+       - [Scalable and Probabilistic Leaderless BFT Consensus through Metastability](https://arxiv.org/pdf/1906.08936)
+       - [Vryx: Fortifying Decoupled State Machine Replication](https://hackmd.io/@patrickogrady/rys8mdl5p#Vryx-Fortifying-Decoupled-State-Machine-Replication) by P. O'Grady
+       - [Frosty: Bringing strong liveness guarantees to the Snow family of consensus protocols.](https://arxiv.org/pdf/2404.14250) by A. Buchwald et al.
 
 Thu Jun 6 2024: TBA
 
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