diff --git a/Cargo.lock b/Cargo.lock
index 460c1a34..a45bb580 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3535,8 +3535,11 @@ dependencies = [
  "num-integer",
  "num-traits",
  "once_cell",
- "pallas",
+ "pallas-addresses",
  "pallas-codec",
+ "pallas-crypto",
+ "pallas-primitives",
+ "pallas-traverse",
  "peg",
  "pretty",
  "pretty_assertions",
diff --git a/crates/uplc/Cargo.toml b/crates/uplc/Cargo.toml
index 2df5c0ce..5cab53d4 100644
--- a/crates/uplc/Cargo.toml
+++ b/crates/uplc/Cargo.toml
@@ -19,8 +19,11 @@ miette = "5.5.0"
 num-bigint = "0.4.3"
 num-integer = "0.1.45"
 num-traits = "0.2.15"
-pallas.workspace = true
+pallas-crypto = "0.22.0"
+pallas-primitives = "0.22.0"
+pallas-addresses = "0.22.0"
 pallas-codec = { version = "0.22.0", features = ["num-bigint"] }
+pallas-traverse = "0.22.0"
 peg = "0.8.1"
 pretty = "0.11.3"
 serde = { version = "1.0.152", features = ["derive"] }
diff --git a/crates/uplc/src/ast.rs b/crates/uplc/src/ast.rs
index 7acf2a37..c5db115a 100644
--- a/crates/uplc/src/ast.rs
+++ b/crates/uplc/src/ast.rs
@@ -11,14 +11,12 @@ use crate::{
 };
 use num_bigint::BigInt;
 use num_traits::ToPrimitive;
-use pallas::ledger::{
-    addresses::{Network, ShelleyAddress, ShelleyDelegationPart, ShelleyPaymentPart},
-    primitives::{
-        alonzo::{self, Constr, PlutusData},
-        conway::{self, Language},
-    },
-    traverse::ComputeHash,
+use pallas_addresses::{Network, ShelleyAddress, ShelleyDelegationPart, ShelleyPaymentPart};
+use pallas_primitives::{
+    alonzo::{self, Constr, PlutusData},
+    conway::{self, Language},
 };
+use pallas_traverse::ComputeHash;
 use serde::{
     self,
     de::{self, Deserialize, Deserializer, MapAccess, Visitor},
@@ -304,7 +302,7 @@ pub struct Data;
 impl Data {
     pub fn to_hex(data: PlutusData) -> String {
         let mut bytes = Vec::new();
-        pallas::codec::minicbor::Encoder::new(&mut bytes)
+        pallas_codec::minicbor::Encoder::new(&mut bytes)
             .encode(data)
             .expect("failed to encode Plutus Data as cbor?");
         hex::encode(bytes)
diff --git a/crates/uplc/src/builder.rs b/crates/uplc/src/builder.rs
index d4e879b8..8f62905f 100644
--- a/crates/uplc/src/builder.rs
+++ b/crates/uplc/src/builder.rs
@@ -2,7 +2,7 @@ use crate::{
     ast::{Constant, Name, Term, Type},
     builtins::DefaultFunction,
 };
-use pallas::ledger::primitives::alonzo::PlutusData;
+use pallas_primitives::alonzo::PlutusData;
 
 pub const CONSTR_FIELDS_EXPOSER: &str = "__constr_fields_exposer";
 pub const CONSTR_INDEX_EXPOSER: &str = "__constr_index_exposer";
diff --git a/crates/uplc/src/builtins.rs b/crates/uplc/src/builtins.rs
index 3ffd9b84..a9bd2a48 100644
--- a/crates/uplc/src/builtins.rs
+++ b/crates/uplc/src/builtins.rs
@@ -1,6 +1,6 @@
 use std::{fmt::Display, rc::Rc, str::FromStr};
 
-use pallas::codec::flat::de;
+use pallas_codec::flat::de;
 use strum_macros::EnumIter;
 
 use crate::ast::Term;
diff --git a/crates/uplc/src/flat.rs b/crates/uplc/src/flat.rs
index a97f50b0..e71d2896 100644
--- a/crates/uplc/src/flat.rs
+++ b/crates/uplc/src/flat.rs
@@ -1,12 +1,10 @@
 use num_bigint::BigInt;
-use pallas::{
-    codec::flat::{
-        de::{self, Decode, Decoder},
-        en::{self, Encode, Encoder},
-        Flat,
-    },
-    ledger::primitives::{babbage::PlutusData, Fragment},
+use pallas_codec::flat::{
+    de::{self, Decode, Decoder},
+    en::{self, Encode, Encoder},
+    Flat,
 };
+use pallas_primitives::{babbage::PlutusData, Fragment};
 
 use std::{collections::VecDeque, fmt::Debug, rc::Rc};
 
@@ -35,7 +33,7 @@ where
     T: Binder<'b> + Debug,
 {
     pub fn from_cbor(bytes: &'b [u8], buffer: &'b mut Vec<u8>) -> Result<Self, de::Error> {
-        let mut cbor_decoder = pallas::codec::minicbor::Decoder::new(bytes);
+        let mut cbor_decoder = pallas_codec::minicbor::Decoder::new(bytes);
 
         let flat_bytes = cbor_decoder
             .bytes()
@@ -88,7 +86,7 @@ where
 
         let mut bytes = Vec::new();
 
-        let mut cbor_encoder = pallas::codec::minicbor::Encoder::new(&mut bytes);
+        let mut cbor_encoder = pallas_codec::minicbor::Encoder::new(&mut bytes);
 
         cbor_encoder
             .bytes(&flat_bytes)
@@ -1006,7 +1004,7 @@ mod tests {
         parser,
     };
     use indoc::indoc;
-    use pallas::codec::flat::Flat;
+    use pallas_codec::flat::Flat;
 
     #[test]
     fn flat_encode_integer() {
diff --git a/crates/uplc/src/lib.rs b/crates/uplc/src/lib.rs
index db0bb7ff..364cd7c4 100644
--- a/crates/uplc/src/lib.rs
+++ b/crates/uplc/src/lib.rs
@@ -9,9 +9,9 @@ pub mod parser;
 mod pretty;
 pub mod tx;
 
-pub use pallas::codec::utils::KeyValuePairs;
-pub use pallas::crypto::hash::Hash;
-pub use pallas::ledger::primitives::{
+pub use pallas_codec::utils::KeyValuePairs;
+pub use pallas_crypto::hash::Hash;
+pub use pallas_primitives::{
     alonzo::{BigInt, Constr, PlutusData},
     babbage::{PostAlonzoTransactionOutput, TransactionInput, TransactionOutput, Value},
     Error, Fragment,
diff --git a/crates/uplc/src/machine.rs b/crates/uplc/src/machine.rs
index 9a30548a..6efbdf3e 100644
--- a/crates/uplc/src/machine.rs
+++ b/crates/uplc/src/machine.rs
@@ -11,7 +11,7 @@ pub mod value;
 
 use cost_model::{ExBudget, StepKind};
 pub use error::Error;
-use pallas::ledger::primitives::conway::Language;
+use pallas_primitives::conway::Language;
 
 use self::{
     cost_model::CostModel,
diff --git a/crates/uplc/src/machine/cost_model.rs b/crates/uplc/src/machine/cost_model.rs
index 88eddf42..2050c997 100644
--- a/crates/uplc/src/machine/cost_model.rs
+++ b/crates/uplc/src/machine/cost_model.rs
@@ -1,6 +1,6 @@
 use std::collections::HashMap;
 
-use pallas::ledger::primitives::conway::Language;
+use pallas_primitives::conway::Language;
 
 use crate::builtins::DefaultFunction;
 
diff --git a/crates/uplc/src/machine/error.rs b/crates/uplc/src/machine/error.rs
index c25086cf..2168532f 100644
--- a/crates/uplc/src/machine/error.rs
+++ b/crates/uplc/src/machine/error.rs
@@ -72,6 +72,16 @@ pub enum Error {
     #[error(transparent)]
     Secp256k1(#[from] secp256k1::Error),
     #[cfg(target_family = "wasm")]
-    #[error(transparent)]
-    Secp256k1(#[from] k256::ecdsa::Error),
+    #[error("{0}")]
+    K256Error(String),
+    // #[cfg(target_family = "wasm")]
+    // #[error("k256 error")]
+    // Secp256k1(#[from] k256::ecdsa::Error),
+}
+
+#[cfg(target_family = "wasm")]
+impl From<k256::ecdsa::Error> for Error {
+    fn from(error: k256::ecdsa::Error) -> Error {
+        Error::K256Error(format!("k256 error: {}", error))
+    }
 }
diff --git a/crates/uplc/src/machine/runtime.rs b/crates/uplc/src/machine/runtime.rs
index 360936cd..77f6a605 100644
--- a/crates/uplc/src/machine/runtime.rs
+++ b/crates/uplc/src/machine/runtime.rs
@@ -4,7 +4,7 @@ use num_bigint::BigInt;
 use num_integer::Integer;
 use num_traits::{Signed, Zero};
 use once_cell::sync::Lazy;
-use pallas::ledger::primitives::conway::{Language, PlutusData};
+use pallas_primitives::conway::{Language, PlutusData};
 
 use crate::{
     ast::{Constant, Data, Type},
diff --git a/crates/uplc/src/machine/value.rs b/crates/uplc/src/machine/value.rs
index 8de10a4f..a52be8e9 100644
--- a/crates/uplc/src/machine/value.rs
+++ b/crates/uplc/src/machine/value.rs
@@ -6,7 +6,7 @@ use crate::{
 };
 use num_bigint::BigInt;
 use num_traits::{Signed, ToPrimitive, Zero};
-use pallas::ledger::primitives::babbage::{self, PlutusData};
+use pallas_primitives::babbage::{self, PlutusData};
 
 use super::{runtime::BuiltinRuntime, Error};
 
@@ -411,7 +411,7 @@ pub fn from_pallas_bigint(n: &babbage::BigInt) -> BigInt {
 pub fn to_pallas_bigint(n: &BigInt) -> babbage::BigInt {
     if let Some(i) = n.to_i128() {
         if let Ok(i) = i.try_into() {
-            let pallas_int: pallas::codec::utils::Int = i;
+            let pallas_int: pallas_codec::utils::Int = i;
             return babbage::BigInt::Int(pallas_int);
         }
     }
diff --git a/crates/uplc/src/optimize/shrinker.rs b/crates/uplc/src/optimize/shrinker.rs
index b610b03c..06516569 100644
--- a/crates/uplc/src/optimize/shrinker.rs
+++ b/crates/uplc/src/optimize/shrinker.rs
@@ -3,7 +3,7 @@ use std::{cmp::Ordering, iter, ops::Neg, rc::Rc, vec};
 use indexmap::IndexMap;
 use itertools::Itertools;
 
-use pallas::ledger::primitives::babbage::{BigInt, PlutusData};
+use pallas_primitives::babbage::{BigInt, PlutusData};
 
 use crate::{
     ast::{Constant, Data, Name, NamedDeBruijn, Program, Term, Type},
@@ -1907,7 +1907,7 @@ fn pop_lambdas_and_get_names(term: &Term<Name>) -> (Vec<Rc<Name>>, &Term<Name>)
 #[cfg(test)]
 mod tests {
 
-    use pallas::ledger::primitives::babbage::{BigInt, PlutusData};
+    use pallas_primitives::babbage::{BigInt, PlutusData};
     use pretty_assertions::assert_eq;
 
     use crate::{
diff --git a/crates/uplc/src/parser.rs b/crates/uplc/src/parser.rs
index d42d5d7a..87c97087 100644
--- a/crates/uplc/src/parser.rs
+++ b/crates/uplc/src/parser.rs
@@ -9,7 +9,7 @@ use crate::{
 
 use interner::Interner;
 use num_bigint::BigInt;
-use pallas::ledger::primitives::alonzo::PlutusData;
+use pallas_primitives::alonzo::PlutusData;
 use peg::{error::ParseError, str::LineCol};
 
 pub mod interner;
@@ -248,7 +248,7 @@ peg::parser! {
             ))
           }
           / _* "Map" _+ kvps:plutus_key_value_pairs() {
-            PlutusData::Map(pallas::codec::utils::KeyValuePairs::Def(kvps))
+            PlutusData::Map(pallas_codec::utils::KeyValuePairs::Def(kvps))
           }
           / _* "List" _+ ls:plutus_list() { PlutusData::Array(ls) }
           / _* "I" _+ n:big_number() { PlutusData::BigInt(to_pallas_bigint(&n)) }
diff --git a/crates/uplc/src/pretty.rs b/crates/uplc/src/pretty.rs
index 8343b92d..1da5c6be 100644
--- a/crates/uplc/src/pretty.rs
+++ b/crates/uplc/src/pretty.rs
@@ -4,7 +4,7 @@ use crate::{
     machine::runtime::{convert_tag_to_constr, Compressable},
     machine::value::from_pallas_bigint,
 };
-use pallas::ledger::primitives::babbage::{Constr, PlutusData};
+use pallas_primitives::babbage::{Constr, PlutusData};
 use pretty::RcDoc;
 use std::ascii::escape_default;
 
diff --git a/crates/uplc/src/tx.rs b/crates/uplc/src/tx.rs
index 500f59bd..3cd6457c 100644
--- a/crates/uplc/src/tx.rs
+++ b/crates/uplc/src/tx.rs
@@ -1,8 +1,8 @@
-use pallas::ledger::primitives::{
+use pallas_primitives::{
     babbage::{CostMdls, MintedTx, Redeemer, TransactionInput, TransactionOutput},
     Fragment,
 };
-use pallas::ledger::traverse::{Era, MultiEraTx};
+use pallas_traverse::{Era, MultiEraTx};
 
 use error::Error;
 pub use phase_one::eval_phase_one;
diff --git a/crates/uplc/src/tx/error.rs b/crates/uplc/src/tx/error.rs
index be32b3d7..02437e2e 100644
--- a/crates/uplc/src/tx/error.rs
+++ b/crates/uplc/src/tx/error.rs
@@ -3,13 +3,13 @@ use crate::machine::{self, cost_model::ExBudget};
 #[derive(thiserror::Error, Debug, miette::Diagnostic)]
 pub enum Error {
     #[error("{0}")]
-    Address(#[from] pallas::ledger::addresses::Error),
+    Address(#[from] pallas_addresses::Error),
     #[error("Only shelley reward addresses can be a part of withdrawals")]
     BadWithdrawalAddress,
     #[error("{0}")]
-    FlatDecode(#[from] pallas::codec::flat::de::Error),
+    FlatDecode(#[from] pallas_codec::flat::de::Error),
     #[error("{0}")]
-    FragmentDecode(#[from] pallas::ledger::primitives::Error),
+    FragmentDecode(#[from] pallas_primitives::Error),
     #[error("{}\n\n{:#?}\n\n{}", .0, .1, .2.join("\n"))]
     Machine(machine::Error, ExBudget, Vec<String>),
     #[error("Native script can't be executed in phase-two")]
@@ -32,7 +32,7 @@ pub enum Error {
     #[error("PlutusV2 cost model not found.")]
     V2CostModelNotFound,
     #[error("Wrong era, Please use Babbage or Alonzo: {0}")]
-    WrongEra(#[from] pallas::codec::minicbor::decode::Error),
+    WrongEra(#[from] pallas_codec::minicbor::decode::Error),
     #[error("Byron address not allowed in Plutus.")]
     ByronAddressNotAllowed,
     #[error("Inline datum not allowed in PlutusV1.")]
diff --git a/crates/uplc/src/tx/eval.rs b/crates/uplc/src/tx/eval.rs
index b061fe96..e19c4456 100644
--- a/crates/uplc/src/tx/eval.rs
+++ b/crates/uplc/src/tx/eval.rs
@@ -3,22 +3,17 @@ use crate::{
     machine::cost_model::ExBudget,
     PlutusData,
 };
-use pallas::{
-    codec::utils::{KeyValuePairs, MaybeIndefArray},
-    crypto::hash::Hash,
-    ledger::{
-        addresses::{Address, ScriptHash, StakePayload},
-        primitives::babbage::{
-            Certificate, CostMdls, DatumHash, DatumOption, ExUnits, Mint, MintedTx, NativeScript,
-            PlutusV1Script, PlutusV2Script, PolicyId, PseudoScript, Redeemer, RedeemerTag,
-            RewardAccount, StakeCredential, TransactionInput, TransactionOutput, Value,
-            Withdrawals,
-        },
-        traverse::{ComputeHash, OriginalHash},
-    },
+use pallas_addresses::{Address, ScriptHash, StakePayload};
+use pallas_codec::utils::{KeyValuePairs, MaybeIndefArray};
+use pallas_crypto::hash::Hash;
+use pallas_primitives::babbage::{
+    Certificate, CostMdls, DatumHash, DatumOption, ExUnits, Mint, MintedTx, NativeScript,
+    PlutusV1Script, PlutusV2Script, PolicyId, PseudoScript, Redeemer, RedeemerTag, RewardAccount,
+    StakeCredential, TransactionInput, TransactionOutput, Value, Withdrawals,
 };
+use pallas_traverse::{ComputeHash, OriginalHash};
 
-use pallas::ledger::primitives::conway::Language;
+use pallas_primitives::conway::Language;
 
 use std::{cmp::Ordering, collections::HashMap, convert::TryInto, ops::Deref, vec};
 
diff --git a/crates/uplc/src/tx/phase_one.rs b/crates/uplc/src/tx/phase_one.rs
index b3a7cc6c..3fc3dc02 100644
--- a/crates/uplc/src/tx/phase_one.rs
+++ b/crates/uplc/src/tx/phase_one.rs
@@ -1,14 +1,9 @@
 use std::collections::HashMap;
 
-use pallas::{
-    codec::utils::{KeyValuePairs, MaybeIndefArray},
-    ledger::{
-        addresses::{Address, ScriptHash, ShelleyPaymentPart, StakePayload},
-        primitives::babbage::{
-            Certificate, MintedTx, PolicyId, RedeemerTag, RewardAccount, StakeCredential,
-            TransactionOutput,
-        },
-    },
+use pallas_addresses::{Address, ScriptHash, ShelleyPaymentPart, StakePayload};
+use pallas_codec::utils::{KeyValuePairs, MaybeIndefArray};
+use pallas_primitives::babbage::{
+    Certificate, MintedTx, PolicyId, RedeemerTag, RewardAccount, StakeCredential, TransactionOutput,
 };
 
 use super::{
diff --git a/crates/uplc/src/tx/script_context.rs b/crates/uplc/src/tx/script_context.rs
index d3bb5184..840480da 100644
--- a/crates/uplc/src/tx/script_context.rs
+++ b/crates/uplc/src/tx/script_context.rs
@@ -1,13 +1,9 @@
-use pallas::{
-    codec::utils::KeyValuePairs,
-    crypto::hash::Hash,
-    ledger::{
-        addresses::Address,
-        primitives::babbage::{
-            AddrKeyhash, Certificate, Coin, DatumHash, PlutusData, PolicyId, Redeemer,
-            StakeCredential, TransactionInput, TransactionOutput, Value,
-        },
-    },
+use pallas_addresses::Address;
+use pallas_codec::utils::KeyValuePairs;
+use pallas_crypto::hash::Hash;
+use pallas_primitives::babbage::{
+    AddrKeyhash, Certificate, Coin, DatumHash, PlutusData, PolicyId, Redeemer, StakeCredential,
+    TransactionInput, TransactionOutput, Value,
 };
 
 use super::to_plutus_data::MintValue;
diff --git a/crates/uplc/src/tx/tests.rs b/crates/uplc/src/tx/tests.rs
index 7fbf364c..3978288b 100644
--- a/crates/uplc/src/tx/tests.rs
+++ b/crates/uplc/src/tx/tests.rs
@@ -1,9 +1,9 @@
-use pallas::codec::utils::MaybeIndefArray;
-use pallas::ledger::primitives::{
+use pallas_codec::utils::MaybeIndefArray;
+use pallas_primitives::{
     babbage::{CostMdls, TransactionInput, TransactionOutput},
     Fragment,
 };
-use pallas::ledger::traverse::{Era, MultiEraTx};
+use pallas_traverse::{Era, MultiEraTx};
 
 use crate::machine::cost_model::ExBudget;
 
diff --git a/crates/uplc/src/tx/to_plutus_data.rs b/crates/uplc/src/tx/to_plutus_data.rs
index 4809e130..e96ee842 100644
--- a/crates/uplc/src/tx/to_plutus_data.rs
+++ b/crates/uplc/src/tx/to_plutus_data.rs
@@ -1,12 +1,12 @@
-use pallas::codec::utils::{AnyUInt, Bytes, Int, KeyValuePairs};
-use pallas::crypto::hash::Hash;
-use pallas::ledger::addresses::{Address, ShelleyDelegationPart, ShelleyPaymentPart, StakePayload};
-use pallas::ledger::primitives::babbage::{AssetName, BigInt, Constr, Mint, PlutusData, ScriptRef};
-use pallas::ledger::primitives::babbage::{
+use pallas_addresses::{Address, ShelleyDelegationPart, ShelleyPaymentPart, StakePayload};
+use pallas_codec::utils::{AnyUInt, Bytes, Int, KeyValuePairs};
+use pallas_crypto::hash::Hash;
+use pallas_primitives::babbage::{AssetName, BigInt, Constr, Mint, PlutusData, ScriptRef};
+use pallas_primitives::babbage::{
     Certificate, DatumOption, PseudoScript, Redeemer, StakeCredential, TransactionInput,
     TransactionOutput, Value,
 };
-use pallas::ledger::traverse::ComputeHash;
+use pallas_traverse::ComputeHash;
 
 use crate::machine::runtime::{convert_constr_to_tag, ANY_TAG};
 
diff --git a/crates/uplc/tests/pretty_tests.rs b/crates/uplc/tests/pretty_tests.rs
index 5fd41e09..edb6a908 100644
--- a/crates/uplc/tests/pretty_tests.rs
+++ b/crates/uplc/tests/pretty_tests.rs
@@ -112,7 +112,7 @@ fn constant_data_constr() {
                 tag: 122,
                 any_constructor: None,
                 fields: vec![PlutusData::BigInt(
-                    pallas::ledger::primitives::alonzo::BigInt::Int(2.into()),
+                    pallas_primitives::alonzo::BigInt::Int(2.into()),
                 )],
             }))
             .into(),
@@ -127,11 +127,11 @@ fn constant_data_map() {
         Term::<Name>::Constant(
             Constant::Data(PlutusData::Map(uplc::KeyValuePairs::Def(vec![
                 (
-                    PlutusData::BigInt(pallas::ledger::primitives::alonzo::BigInt::Int(0.into())),
+                    PlutusData::BigInt(pallas_primitives::alonzo::BigInt::Int(0.into())),
                     PlutusData::BoundedBytes(vec![0x00].into()),
                 ),
                 (
-                    PlutusData::BigInt(pallas::ledger::primitives::alonzo::BigInt::Int(1.into())),
+                    PlutusData::BigInt(pallas_primitives::alonzo::BigInt::Int(1.into())),
                     PlutusData::BoundedBytes(vec![0x0f].into()),
                 ),
             ])))
@@ -146,8 +146,8 @@ fn constant_data_list() {
     round_trip(
         Term::<Name>::Constant(
             Constant::Data(PlutusData::Array(vec![
-                PlutusData::BigInt(pallas::ledger::primitives::alonzo::BigInt::Int(0.into())),
-                PlutusData::BigInt(pallas::ledger::primitives::alonzo::BigInt::Int(1.into())),
+                PlutusData::BigInt(pallas_primitives::alonzo::BigInt::Int(0.into())),
+                PlutusData::BigInt(pallas_primitives::alonzo::BigInt::Int(1.into())),
             ]))
             .into(),
         ),
@@ -160,7 +160,7 @@ fn constant_data_int() {
     round_trip(
         Term::<Name>::Constant(
             Constant::Data(PlutusData::BigInt(
-                pallas::ledger::primitives::alonzo::BigInt::Int(2.into()),
+                pallas_primitives::alonzo::BigInt::Int(2.into()),
             ))
             .into(),
         ),
@@ -169,14 +169,14 @@ fn constant_data_int() {
 
     let term = Term::<Name>::Constant(
         Constant::Data(PlutusData::BigInt(
-            pallas::ledger::primitives::alonzo::BigInt::BigUInt(vec![2, 3, 4].into()),
+            pallas_primitives::alonzo::BigInt::BigUInt(vec![2, 3, 4].into()),
         ))
         .into(),
     );
     assert_eq!(term.to_pretty(), "(con data (I 131844))");
     let term = Term::<Name>::Constant(
         Constant::Data(PlutusData::BigInt(
-            pallas::ledger::primitives::alonzo::BigInt::BigNInt(vec![2, 3, 3].into()),
+            pallas_primitives::alonzo::BigInt::BigNInt(vec![2, 3, 3].into()),
         ))
         .into(),
     );