diff --git a/crypto/frost/Cargo.toml b/crypto/frost/Cargo.toml
index 9f9bff63..929b1eb0 100644
--- a/crypto/frost/Cargo.toml
+++ b/crypto/frost/Cargo.toml
@@ -16,7 +16,6 @@ hex = "0.4"
 
 sha2 = { version = "0.10", optional = true }
 
-ff = "0.12"
 group = "0.12"
 
 elliptic-curve = { version = "0.12", features = ["hash2curve"], optional = true }
@@ -24,7 +23,7 @@ p256 = { version = "0.11", features = ["arithmetic", "hash2curve"], optional = t
 k256 = { version = "0.11", features = ["arithmetic", "hash2curve"], optional = true }
 dalek-ff-group = { path = "../dalek-ff-group", optional = true }
 
-transcript = { path = "../transcript" }
+transcript = { package = "transcript-trait", path = "../transcript" }
 
 multiexp = { path = "../multiexp", features = ["batch"] }
 
diff --git a/crypto/frost/src/curves/dalek.rs b/crypto/frost/src/curves/dalek.rs
index f3dce609..1ba41918 100644
--- a/crypto/frost/src/curves/dalek.rs
+++ b/crypto/frost/src/curves/dalek.rs
@@ -4,8 +4,7 @@ use rand_core::{RngCore, CryptoRng};
 
 use sha2::{Digest, Sha512};
 
-use ff::PrimeField;
-use group::Group;
+use group::{ff::PrimeField, Group};
 
 use dalek_ff_group::Scalar;
 
diff --git a/crypto/frost/src/curves/kp256.rs b/crypto/frost/src/curves/kp256.rs
index e7421c5a..35e466e2 100644
--- a/crypto/frost/src/curves/kp256.rs
+++ b/crypto/frost/src/curves/kp256.rs
@@ -4,8 +4,7 @@ use rand_core::{RngCore, CryptoRng};
 
 use sha2::{digest::Update, Digest, Sha256};
 
-use ff::{Field, PrimeField};
-use group::{Group, GroupEncoding};
+use group::{ff::{Field, PrimeField}, Group, GroupEncoding};
 
 use elliptic_curve::{bigint::{Encoding, U384}, hash2curve::{Expander, ExpandMsg, ExpandMsgXmd}};
 
diff --git a/crypto/frost/src/key_gen.rs b/crypto/frost/src/key_gen.rs
index 8f235b6b..fd5f13bb 100644
--- a/crypto/frost/src/key_gen.rs
+++ b/crypto/frost/src/key_gen.rs
@@ -3,7 +3,7 @@ use std::collections::HashMap;
 
 use rand_core::{RngCore, CryptoRng};
 
-use ff::{Field, PrimeField};
+use group::ff::{Field, PrimeField};
 
 use multiexp::{multiexp_vartime, BatchVerifier};
 
diff --git a/crypto/frost/src/lib.rs b/crypto/frost/src/lib.rs
index c96e0333..cd5d8ee2 100644
--- a/crypto/frost/src/lib.rs
+++ b/crypto/frost/src/lib.rs
@@ -5,8 +5,7 @@ use thiserror::Error;
 
 use rand_core::{RngCore, CryptoRng};
 
-use ff::{Field, PrimeField};
-use group::{Group, GroupOps};
+use group::{ff::{Field, PrimeField}, Group, GroupOps};
 
 mod schnorr;
 
diff --git a/crypto/frost/src/schnorr.rs b/crypto/frost/src/schnorr.rs
index c138f05c..22361173 100644
--- a/crypto/frost/src/schnorr.rs
+++ b/crypto/frost/src/schnorr.rs
@@ -1,6 +1,6 @@
 use rand_core::{RngCore, CryptoRng};
 
-use ff::Field;
+use group::ff::Field;
 
 use multiexp::BatchVerifier;
 
diff --git a/crypto/frost/src/sign.rs b/crypto/frost/src/sign.rs
index 49c1c853..987cec0e 100644
--- a/crypto/frost/src/sign.rs
+++ b/crypto/frost/src/sign.rs
@@ -3,7 +3,7 @@ use std::{sync::Arc, collections::HashMap};
 
 use rand_core::{RngCore, CryptoRng};
 
-use ff::Field;
+use group::ff::Field;
 
 use transcript::Transcript;
 
diff --git a/crypto/frost/src/tests/curve.rs b/crypto/frost/src/tests/curve.rs
index eed4e62a..d7327605 100644
--- a/crypto/frost/src/tests/curve.rs
+++ b/crypto/frost/src/tests/curve.rs
@@ -1,7 +1,6 @@
 use rand_core::{RngCore, CryptoRng};
 
-use ff::Field;
-use group::Group;
+use group::{ff::Field, Group};
 
 use crate::{Curve, MultisigKeys, tests::key_gen};
 
diff --git a/crypto/frost/src/tests/mod.rs b/crypto/frost/src/tests/mod.rs
index 52fbf515..78bc7425 100644
--- a/crypto/frost/src/tests/mod.rs
+++ b/crypto/frost/src/tests/mod.rs
@@ -2,7 +2,7 @@ use std::{sync::Arc, collections::HashMap};
 
 use rand_core::{RngCore, CryptoRng};
 
-use ff::Field;
+use group::ff::Field;
 
 use crate::{
   Curve,
diff --git a/crypto/frost/src/tests/schnorr.rs b/crypto/frost/src/tests/schnorr.rs
index 684107a7..c9550577 100644
--- a/crypto/frost/src/tests/schnorr.rs
+++ b/crypto/frost/src/tests/schnorr.rs
@@ -2,7 +2,7 @@ use std::{marker::PhantomData, sync::Arc, collections::HashMap};
 
 use rand_core::{RngCore, CryptoRng};
 
-use ff::Field;
+use group::ff::Field;
 
 use crate::{
   Curve, MultisigKeys, schnorr::{self, SchnorrSignature}, algorithm::{Hram, Schnorr},