diff --git a/MEV_by_chains/MEV_on_Arbitrum/fair_ordering_sequencing/README.md b/MEV_by_chains/MEV_on_Arbitrum/fair_ordering_sequencing/README.md
index 3dca504..b2267dd 100644
--- a/MEV_by_chains/MEV_on_Arbitrum/fair_ordering_sequencing/README.md
+++ b/MEV_by_chains/MEV_on_Arbitrum/fair_ordering_sequencing/README.md
@@ -15,4 +15,5 @@
 <br>
 
 * [fair sequencing and chaninlink](https://github.com/go-outside-labs/mev-toolkit/blob/main/MEV_strategies/oracles/chainlink.md)
-* [can first come first served tx ordering prevent frontrunning, by robert annessi]()
+* [can first come first served tx ordering prevent frontrunning, by robert annessi](https://collective.flashbots.net/t/can-first-come-first-served-based-transaction-ordering-prevent-front-running/892)
+* [why fair ordering is fatally flawed, by t. chitra](https://docs.google.com/presentation/d/1nw-mjr8u4xEGX3HGhWtw44MOFJOd8VMolTZ1BSOSL3E/edit#slide=id.p)