diff --git a/content/notes/blockchain-project.md b/content/notes/blockchain-project.md
index 278ab6c28..938e00a28 100644
--- a/content/notes/blockchain-project.md
+++ b/content/notes/blockchain-project.md
@@ -125,6 +125,7 @@ From search
 - https://medium.com/cryptoapis/utxo-and-account-based-blockchains-d1d3c638524
 - https://medium.com/crypto-24-7/bitcoin-is-finished-863e5370150
 - https://www.hyperledger.org/blog/2017/09/06/abcs-of-open-governance
+- https://whitepaper.io/document/140/swarm-whitepaper
 
 **Might Read**
 - https://en.wikipedia.org/wiki/Futarchy