diff --git a/src/data/roadmaps/blockchain/content/110-building-for-scale/102-zero-knowledge-rollups-and-zero-knowledge-proof.md b/src/data/roadmaps/blockchain/content/110-building-for-scale/102-zero-knowledge-rollups-and-zero-knowledge-proof.md
index 0e9fedcb0..5aab75ec1 100644
--- a/src/data/roadmaps/blockchain/content/110-building-for-scale/102-zero-knowledge-rollups-and-zero-knowledge-proof.md
+++ b/src/data/roadmaps/blockchain/content/110-building-for-scale/102-zero-knowledge-rollups-and-zero-knowledge-proof.md
@@ -6,4 +6,4 @@ Visit the following resources to learn more:
 
 - [Zero-Knowledge Rollups - Ethereum](https://ethereum.org/en/developers/docs/scaling/zk-rollups)
 - [Why and How zk-SNARK Works](https://medium.com/@imolfar/why-and-how-zk-snark-works-1-introduction-the-medium-of-a-proof-d946e931160)
-- [Introduction to zk-SNARKs](https://vitalik.ca/general/2021/01/26/snarks.html)
+- [Introduction to zk-SNARKs](https://vitalik.eth.limo/general/2021/01/26/snarks.html)