diff --git a/README.md b/README.md
index 13080983..fef98e30 100644
--- a/README.md
+++ b/README.md
@@ -11,13 +11,13 @@
 [![API Reference](https://godoc.org/github.com/Kava-Labs/kava?status.svg)](https://godoc.org/github.com/Kava-Labs/kava)
 [![GitHub](https://img.shields.io/github/license/kava-labs/kava.svg)](https://github.com/Kava-Labs/kava/blob/master/LICENSE.md)
 [![Twitter Follow](https://img.shields.io/twitter/follow/kava_labs.svg?label=Follow&style=social)](https://twitter.com/kava_labs)
-[![riot.im](https://img.shields.io/badge/riot.im-JOIN%20CHAT-green.svg)](https://riot.im/app/#/room/#kava-validators:matrix.org)
+[![Discord Chat](https://img.shields.io/discord/704389840614981673.svg)](https://discord.gg/M4uxsG)
 
 </div>
 
 <div align="center">
 
-### [Telegram](https://t.me/kavalabs) | [Medium](https://medium.com/kava-labs) | [Validator Chat](https://riot.im/app/#/room/#kava-validators:matrix.org)
+### [Telegram](https://t.me/kavalabs) | [Medium](https://medium.com/kava-labs) | [Discord](https://discord.gg/M4uxsG)
 
 </div>
 
@@ -25,21 +25,30 @@ Reference implementation of Kava, a blockchain for cross-chain DeFi. Built using
 
 ## Mainnet
 
-Note, the current recommended version of the software for mainnet is v0.3.5. The master branch of this repository contains considerable development work since the last mainnet release and is __not__ runnable on mainnet.
+Note, the current recommended version of the software for mainnet is v0.8.1. The master branch of this repository often contains considerable development work since the last mainnet release and is __not__ runnable on mainnet.
 
 ### Installation
 
 ```sh
-git checkout v0.3.5
+git checkout v0.8.1
 make install
 ```
 
 ## Mainnet Upgrade
 
-The scheduled mainnet upgrade to `kava-3` will take place on June 10th, 2020 at 14:00 UTC. The version of Kava for `kava-3` is [__v0.8.1__](https://github.com/Kava-Labs/kava/releases/tag/v0.8.1).
+The scheduled mainnet upgrade to `kava-3` took place on June 10th, 2020 at 14:00 UTC. The version of Kava for `kava-3` is [__v0.8.1__](https://github.com/Kava-Labs/kava/releases/tag/v0.8.1).
 
 Migration instructions can be found [here](https://github.com/Kava-Labs/kava/blob/master/contrib/kava-3/migration.md).
 
+The canonical genesis file can be found [here](https://github.com/Kava-Labs/launch/tree/master/kava-3)
+
+The canonical genesis file hash is
+
+```
+jq -S -c -M '' genesis.json | shasum -a 256
+# f73628abfab82601c9af97a023d357a95507b9c630c5331564f48c4acab97b85
+```
+
 ## Testnet
 
 For further information on joining the lastest testnet, head over to the [testnet repo](https://github.com/Kava-Labs/kava-testnets).