diff --git a/.gitmodules b/.gitmodules
index feaf87d1..63a704f2 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,3 @@
-[submodule "sign/monero/c/monero"]
-	path = sign/monero/c/monero
+[submodule "coins/monero/c/monero"]
+	path = coins/monero/c/monero
 	url = https://github.com/monero-project/monero
diff --git a/Cargo.toml b/Cargo.toml
index 94cb90cd..cc003a45 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,5 +3,5 @@
 members = [
   "sign/frost",
   "sign/dalek-ff-group",
-  "sign/monero",
+  "coins/monero",
 ]
diff --git a/sign/monero/.gitignore b/coins/monero/.gitignore
similarity index 100%
rename from sign/monero/.gitignore
rename to coins/monero/.gitignore
diff --git a/sign/monero/Cargo.toml b/coins/monero/Cargo.toml
similarity index 100%
rename from sign/monero/Cargo.toml
rename to coins/monero/Cargo.toml
diff --git a/sign/monero/LICENSE b/coins/monero/LICENSE
similarity index 100%
rename from sign/monero/LICENSE
rename to coins/monero/LICENSE
diff --git a/sign/monero/build.rs b/coins/monero/build.rs
similarity index 100%
rename from sign/monero/build.rs
rename to coins/monero/build.rs
diff --git a/sign/monero/c/monero b/coins/monero/c/monero
similarity index 100%
rename from sign/monero/c/monero
rename to coins/monero/c/monero
diff --git a/sign/monero/c/wrapper.c b/coins/monero/c/wrapper.c
similarity index 100%
rename from sign/monero/c/wrapper.c
rename to coins/monero/c/wrapper.c
diff --git a/sign/monero/src/clsag/mod.rs b/coins/monero/src/clsag/mod.rs
similarity index 100%
rename from sign/monero/src/clsag/mod.rs
rename to coins/monero/src/clsag/mod.rs
diff --git a/sign/monero/src/clsag/multisig.rs b/coins/monero/src/clsag/multisig.rs
similarity index 100%
rename from sign/monero/src/clsag/multisig.rs
rename to coins/monero/src/clsag/multisig.rs
diff --git a/sign/monero/src/frost.rs b/coins/monero/src/frost.rs
similarity index 100%
rename from sign/monero/src/frost.rs
rename to coins/monero/src/frost.rs
diff --git a/sign/monero/src/key_image/mod.rs b/coins/monero/src/key_image/mod.rs
similarity index 100%
rename from sign/monero/src/key_image/mod.rs
rename to coins/monero/src/key_image/mod.rs
diff --git a/sign/monero/src/key_image/multisig.rs b/coins/monero/src/key_image/multisig.rs
similarity index 100%
rename from sign/monero/src/key_image/multisig.rs
rename to coins/monero/src/key_image/multisig.rs
diff --git a/sign/monero/src/lib.rs b/coins/monero/src/lib.rs
similarity index 100%
rename from sign/monero/src/lib.rs
rename to coins/monero/src/lib.rs
diff --git a/sign/monero/tests/clsag.rs b/coins/monero/tests/clsag.rs
similarity index 100%
rename from sign/monero/tests/clsag.rs
rename to coins/monero/tests/clsag.rs
diff --git a/sign/monero/tests/frost.rs b/coins/monero/tests/frost.rs
similarity index 100%
rename from sign/monero/tests/frost.rs
rename to coins/monero/tests/frost.rs
diff --git a/sign/monero/tests/key_image.rs b/coins/monero/tests/key_image.rs
similarity index 100%
rename from sign/monero/tests/key_image.rs
rename to coins/monero/tests/key_image.rs
diff --git a/sign/dalek-ff-group/Cargo.toml b/sign/dalek-ff-group/Cargo.toml
index 4dcec3cf..55140724 100644
--- a/sign/dalek-ff-group/Cargo.toml
+++ b/sign/dalek-ff-group/Cargo.toml
@@ -8,6 +8,7 @@ edition = "2021"
 
 [dependencies]
 rand_core = "0.6"
+digest = "0.10"
 
 subtle = "2.4"
 
diff --git a/sign/dalek-ff-group/src/lib.rs b/sign/dalek-ff-group/src/lib.rs
index 47f3b7ca..f1f0b3cf 100644
--- a/sign/dalek-ff-group/src/lib.rs
+++ b/sign/dalek-ff-group/src/lib.rs
@@ -5,6 +5,7 @@ use core::{
 };
 
 use rand_core::RngCore;
+use digest::{consts::U64, Digest};
 
 use subtle::{Choice, CtOption, ConstantTimeEq, ConditionallySelectable};
 
@@ -146,6 +147,14 @@ impl PrimeField for Scalar {
   fn root_of_unity() -> Self { unimplemented!() }
 }
 
+impl Scalar {
+  pub fn from_hash<D: Digest<OutputSize = U64>>(hash: D) -> Scalar {
+    let mut output = [0u8; 64];
+    output.copy_from_slice(&hash.finalize());
+    Scalar(DScalar::from_bytes_mod_order_wide(&output))
+  }
+}
+
 #[derive(Clone, Copy, PartialEq, Eq, Debug)]
 pub struct EdwardsPoint(pub DPoint);
 pub const ED25519_BASEPOINT_POINT: EdwardsPoint = EdwardsPoint(constants::ED25519_BASEPOINT_POINT);