diff --git a/docs/learning-lit/threshold-cryptography.mdx b/docs/learning-lit/threshold-cryptography.mdx
index f53d0adb1..d271e3e09 100644
--- a/docs/learning-lit/threshold-cryptography.mdx
+++ b/docs/learning-lit/threshold-cryptography.mdx
@@ -130,4 +130,7 @@ Lit Protocol supports a wide range of elliptic curves and signing schemes, all s
 - Ethereum (Consensus Layer / Beacon Chain) - `CurveType::BLS`, `SigningScheme::Bls12381`
 - Filecoin (FIL) - `CurveType::BLS`, `SigningScheme::Bls12381`
 - Chia (XCH) - `CurveType::BLS`, `SigningScheme::Bls12381`
-- Dfinity (ICP) - `CurveType::BLS`, `SigningScheme::Bls12381`
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+- Dfinity (ICP) - `CurveType::BLS`, `SigningScheme::Bls12381`
+
+## Key Derivation
+Key derivation is done additively and uses all 10 root keys per curve to derive child keys, based on [Groth and Shoup 2022](https://eprint.iacr.org/2021/1330.pdf).
\ No newline at end of file