diff --git a/src/circom/builder.rs b/src/circom/builder.rs
index d339a34..364e877 100644
--- a/src/circom/builder.rs
+++ b/src/circom/builder.rs
@@ -9,12 +9,14 @@ use std::collections::HashMap;
 use crate::{circom::R1CSFile, witness::WitnessCalculator};
 use color_eyre::Result;
 
+#[derive(Clone, Debug)]
 pub struct CircomBuilder<E: PairingEngine> {
     pub cfg: CircomConfig<E>,
     pub inputs: HashMap<String, Vec<BigInt>>,
 }
 
 // Add utils for creating this from files / directly from bytes
+#[derive(Clone, Debug)]
 pub struct CircomConfig<E: PairingEngine> {
     pub r1cs: R1CS<E>,
     pub wtns: WitnessCalculator,
diff --git a/src/ethereum.rs b/src/ethereum.rs
index 78d2c35..151cc6e 100644
--- a/src/ethereum.rs
+++ b/src/ethereum.rs
@@ -86,9 +86,9 @@ impl From<&G2Affine> for G2 {
 
 #[derive(Default, Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
 pub struct Proof {
-    a: G1,
-    b: G2,
-    c: G1,
+    pub a: G1,
+    pub b: G2,
+    pub c: G1,
 }
 
 impl Proof {