diff --git a/data/ecosystems/z/zero-knowledge-cryptography.toml b/data/ecosystems/z/zero-knowledge-cryptography.toml
index 73b59d5b..2a7db533 100644
--- a/data/ecosystems/z/zero-knowledge-cryptography.toml
+++ b/data/ecosystems/z/zero-knowledge-cryptography.toml
@@ -24,6 +24,9 @@ url = "https://github.com/adjoint-io/sonic"
 [[repo]]
 url = "https://github.com/akosba/jsnark"
 
+[[repo]]
+url = "https://github.com/akosba/xjsnark"
+
 [[repo]]
 url = "https://github.com/AntoineRondelet/snark-mixer"
 
@@ -63,6 +66,9 @@ url = "https://github.com/cambrian/accumulator-demo"
 [[repo]]
 url = "https://github.com/CEA-LIST/Cingulata"
 
+[[repo]]
+url = "https://github.com/christianlundkvist/libsnark-tutorial"
+
 [[repo]]
 url = "https://github.com/companyzero/zkc"
 
@@ -129,6 +135,9 @@ url = "https://github.com/HarryR/ethsnarks"
 [[repo]]
 url = "https://github.com/HarryR/solcrypto"
 
+[[repo]]
+url = "https://github.com/howardwu/libsnark-tutorial"
+
 [[repo]]
 url = "https://github.com/IAIK/gzkbpp"
 
@@ -180,6 +189,12 @@ url = "https://github.com/kobigurk/semaphore"
 [[repo]]
 url = "https://github.com/kobigurk/websnark"
 
+[[repo]]
+url = "https://github.com/KZen-networks/bulletproofs"
+
+[[repo]]
+url = "https://github.com/KZen-networks/zk-paillier"
+
 [[repo]]
 url = "https://github.com/Lamden/speedy-zero-knowledge"
 
@@ -237,6 +252,9 @@ url = "https://github.com/PaulRBerg/awesome-zkp-starter-pack"
 [[repo]]
 url = "https://github.com/pepper-project/pequin"
 
+[[repo]]
+url = "https://github.com/pepper-project/tinyram"
+
 [[repo]]
 url = "https://github.com/scipr-lab/dizk"