diff --git a/plonky2/src/curve/curve_types.rs b/plonky2/src/curve/curve_types.rs
index 0a9e8711..15f80bc6 100644
--- a/plonky2/src/curve/curve_types.rs
+++ b/plonky2/src/curve/curve_types.rs
@@ -3,6 +3,7 @@ use std::ops::Neg;
 
 use plonky2_field::field_types::{Field, PrimeField};
 use plonky2_field::ops::Square;
+use serde::{Deserialize, Serialize};
 
 // To avoid implementation conflicts from associated types,
 // see https://github.com/rust-lang/rust/issues/20400
@@ -36,7 +37,7 @@ pub trait Curve: 'static + Sync + Sized + Copy + Debug {
 }
 
 /// A point on a short Weierstrass curve, represented in affine coordinates.
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, Deserialize, Serialize)]
 pub struct AffinePoint<C: Curve> {
     pub x: C::BaseField,
     pub y: C::BaseField,
diff --git a/plonky2/src/curve/ecdsa.rs b/plonky2/src/curve/ecdsa.rs
index 3a5d3c7a..11e05535 100644
--- a/plonky2/src/curve/ecdsa.rs
+++ b/plonky2/src/curve/ecdsa.rs
@@ -1,17 +1,19 @@
+use serde::{Deserialize, Serialize};
+
 use crate::curve::curve_msm::msm_parallel;
 use crate::curve::curve_types::{base_to_scalar, AffinePoint, Curve, CurveScalar};
 use crate::field::field_types::Field;
 
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize)]
 pub struct ECDSASignature<C: Curve> {
     pub r: C::ScalarField,
     pub s: C::ScalarField,
 }
 
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, Deserialize, Eq, Hash, PartialEq, Serialize)]
 pub struct ECDSASecretKey<C: Curve>(pub C::ScalarField);
 
-#[derive(Copy, Clone, Debug)]
+#[derive(Copy, Clone, Debug, Deserialize, Eq, PartialEq, Serialize)]
 pub struct ECDSAPublicKey<C: Curve>(pub AffinePoint<C>);
 
 pub fn sign_message<C: Curve>(msg: C::ScalarField, sk: ECDSASecretKey<C>) -> ECDSASignature<C> {
diff --git a/plonky2/src/curve/secp256k1.rs b/plonky2/src/curve/secp256k1.rs
index 6a460735..18040dae 100644
--- a/plonky2/src/curve/secp256k1.rs
+++ b/plonky2/src/curve/secp256k1.rs
@@ -1,10 +1,11 @@
 use plonky2_field::field_types::Field;
 use plonky2_field::secp256k1_base::Secp256K1Base;
 use plonky2_field::secp256k1_scalar::Secp256K1Scalar;
+use serde::{Deserialize, Serialize};
 
 use crate::curve::curve_types::{AffinePoint, Curve};
 
-#[derive(Debug, Copy, Clone)]
+#[derive(Debug, Copy, Clone, Deserialize, Eq, Hash, PartialEq, Serialize)]
 pub struct Secp256K1;
 
 impl Curve for Secp256K1 {