Update README.md

proof-stake/README.md

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 # Code your own Proof of Stake blockchain in Go!
 
+[Read](https://medium.com/@mycoralhealth/code-your-own-proof-of-stake-blockchain-in-go-610cd99aa658) the blog post for this tutorial first!
+
+### Ask us anything!
+
+Join our [Telegram](https://t.me/joinchat/FX6A7UThIZ1WOUNirDS_Ew) community and follow us on [Twitter](https://twitter.com/myCoralHealth)!
+
 ### Deployment steps:
 - clone this repo
 - navigate to this directory and rename the example file `mv example.env .env`
@@ -10,6 +16,14 @@
 - wait a few seconds to see which of the two terminals won 
 - open as many terminal windows as you like and `nc localhost 9000` and watch Proof of Stake in action!
 
-### Ask us anything!
+### Screenshots
+
+![screen](https://user-images.githubusercontent.com/15616604/37950306-e97dfc0c-314c-11e8-93b7-7cce0689d421.png)
+
+![screen](https://user-images.githubusercontent.com/15616604/37950314-f26e5f78-314c-11e8-9697-0d95e0c687d0.png)
+
+![screen](https://user-images.githubusercontent.com/15616604/37950331-fef438bc-314c-11e8-94ae-9ea09b9b5276.png)
+
+![screen](https://user-images.githubusercontent.com/15616604/37950343-061a309c-314d-11e8-84a2-3e5712524fc2.png)
+
 
-Join our [Telegram](https://t.me/joinchat/FX6A7UThIZ1WOUNirDS_Ew) chat and follow us on [Twitter](https://twitter.com/myCoralHealth)!