diff --git a/README.md b/README.md
index ff7adbc..d9107f0 100644
--- a/README.md
+++ b/README.md
@@ -167,6 +167,7 @@ Welcome to our [DePIN (Decentralized Physical Infrastructure Networks)](https://
 
 - [IoTeX](https://iotex.io)
 - [Eclipse](https://www.eclipse.builders)
+- [RustChain](https://github.com/Scottcjn/Rustchain) - Proof-of-Antiquity blockchain that rewards vintage hardware. Old computers earn more than new ones.
 
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