diff --git a/simulations/README.md b/simulations/README.md
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+# Purpose
+
+This is a place where any simulation related scripts and utilities can be stored.
+Checkout mixnet folder to get an idea.
diff --git a/simulations/mixnet/README.md b/simulations/mixnet/README.md
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+# Mixnet simulation
+
+## Aim
+
+Simulate a local mixnet along with a chat app to publish using mix.
+This is helpful to test any changes while development.
+It includes scripts that run a `4 node` mixnet that can be used to test quickly.
+
+## Simulation Details
+
+Note that before running the simulation both `wakunode2` and `chat2mix` have to be built.
+
+```bash
+cd <repo-root-dir>
+make wakunode2
+make chat2mix
+```
+
+Simulation includes scripts for:
+
+1. a 4 waku-node mixnet where `node1` is bootstrap node for the other 3 nodes.
+2. scripts to run chat app that publishes using lightpush protocol over the mixnet
+
+## Usage
+
+To run the nodes for mixnet run the 4 node scripts in different terminals as below.
+
+`./run_mix_node1.sh`
+
+Look for following 2 log lines to ensure node ran successfully and has also mounted mix protocol.
+
+```log
+INF 2025-08-01 14:51:05.445+05:30 mounting mix protocol                      topics="waku node" tid=39996871 file=waku_node.nim:231 nodeId="(listenAddresses: @[\"/ip4/127.0.0.1/tcp/60001/p2p/16Uiu2HAmPiEs2ozjjJF2iN2Pe2FYeMC9w4caRHKYdLdAfjgbWM6o\"], enrUri: \"enr:-NC4QKYtas8STkenlqBTJ3a1TTLzJA2DsGGbFlnxem9aSM2IXm-CSVZULdk2467bAyFnepnt8KP_QlfDzdaMXd_zqtwBgmlkgnY0gmlwhH8AAAGHbWl4LWtleaCdCc5iT3bo9gYmXtucyit96bQXcqbXhL3a-S_6j7p9LIptdWx0aWFkZHJzgIJyc4UAAgEAAIlzZWNwMjU2azGhA6RFtVJVBh0SYOoP8xrgnXSlpiFARmQkF9d8Rn4fSeiog3RjcILqYYN1ZHCCIymFd2FrdTIt\")"
+
+INF 2025-08-01 14:49:23.467+05:30 Node setup complete                        topics="wakunode main" tid=39994244 file=wakunode2.nim:104
+```
+
+Once all the 4 nodes are up without any issues, run the script to start the chat application.
+
+`./run_chat_app.sh`
+
+Enter a nickname to be used.
+
+```bash
+pubsub topic is: /waku/2/rs/2/0
+Choose a nickname >>
+```
+
+Once you see below log, it means the app is ready for publishing messages over the mixnet.
+
+```bash
+Welcome, test!
+Listening on
+ /ip4/192.168.68.64/tcp/60000/p2p/16Uiu2HAkxDGqix1ifY3wF1ZzojQWRAQEdKP75wn1LJMfoHhfHz57
+ready to publish messages now
+```
+
+Follow similar instructions to run second instance of chat app.
+Once both the apps run successfully, send a message and check if it is received by the other app.
+
+You can exit the chat apps by entering `/exit` as below
+
+```bash
+>> /exit
+quitting...
+```