diff --git a/src/core.rs b/src/core.rs
index 41ccee6..cf13ba7 100644
--- a/src/core.rs
+++ b/src/core.rs
@@ -2,9 +2,13 @@
 //! Brings [`Mentionable`]/[`Factory`]/[`Origin`] concepts from the original implementation in Python.
 //! Allows for more generic behaviour via [`Context`], as opposed to original async-only.
 
+mod hashing;
+mod serialization;
 mod slice_deserializer;
 mod typeless;
 
+pub use hashing::*;
+pub use serialization::*;
 pub use slice_deserializer::*;
 pub use typeless::*;
 
@@ -46,33 +50,6 @@ pub type Wrapped<'a, Ctx, A> = <<Ctx as Context>::T as WeakFunctor>::F<'a, A>;
 /// Wrapped result returned by [`Origin`].
 pub type Resolution<'a, Ctx, A> = Wrapped<'a, Ctx, ResolutionResult<'a, Ctx, A>>;
 
-/// Fixed [type@Hash] length.
-pub const HASH_SIZE: usize = 32;
-
-/// Zeroed out array of the same length as [`type@Hash`].
-/// Used in [`crate::std::nullable`].
-pub const HASH_ZEROS: [u8; HASH_SIZE] = [0; HASH_SIZE];
-
-/// For use in [`Point`]/[`Address`].
-pub type Hash = [u8; HASH_SIZE];
-
-/// Serialisation mechanism that is chosen over bytestring concatenation
-/// both for performance and simplicity.
-///
-/// See [`Serializable`].
-pub trait Serializer {
-    /// Writes bytes from a slice. Should advance value of [`Serializer::tell()`] by `buf.len()`.
-    fn write(&mut self, buf: &[u8]);
-    /// Current position of the stream. It's expected to be used by [`crate::std::inlining`]
-    fn tell(&self) -> usize;
-}
-
-/// See [`Serializer`].
-pub trait Serializable {
-    /// Expected to use [`Serializer::write`].
-    fn serialize(&self, serializer: &mut dyn Serializer);
-}
-
 /// Fundamental trait for ADN objects.
 pub trait Mentionable<'a, Ctx: 'a + Context>: 'a + Serializable {
     /// Type of the associated factory.
@@ -329,13 +306,3 @@ impl<'a, Ctx: 'a + Context, F: Factory<'a, Ctx>> ExtFactory<'a, Ctx> for F {
         _parse_slice::<Ctx, F::Mtbl>(self, slice, resolver)
     }
 }
-
-impl Serializer for Vec<u8> {
-    fn write(&mut self, buf: &[u8]) {
-        self.extend(buf);
-    }
-
-    fn tell(&self) -> usize {
-        self.len()
-    }
-}
diff --git a/src/core/hashing.rs b/src/core/hashing.rs
new file mode 100644
index 0000000..8566c24
--- /dev/null
+++ b/src/core/hashing.rs
@@ -0,0 +1,9 @@
+/// Fixed [type@Hash] length.
+pub const HASH_SIZE: usize = 32;
+
+/// Zeroed out array of the same length as [`type@Hash`].
+/// Used in [`crate::std::nullable`].
+pub const HASH_ZEROS: [u8; HASH_SIZE] = [0; HASH_SIZE];
+
+/// For use in [`Point`]/[`Address`].
+pub type Hash = [u8; HASH_SIZE];
diff --git a/src/core/serialization.rs b/src/core/serialization.rs
new file mode 100644
index 0000000..8bdf8d4
--- /dev/null
+++ b/src/core/serialization.rs
@@ -0,0 +1,26 @@
+/// Serialisation mechanism that is chosen over bytestring concatenation
+/// both for performance and simplicity.
+///
+/// See [`Serializable`].
+pub trait Serializer {
+    /// Writes bytes from a slice. Should advance value of [`Serializer::tell()`] by `buf.len()`.
+    fn write(&mut self, buf: &[u8]);
+    /// Current position of the stream. It's expected to be used by [`crate::std::inlining`]
+    fn tell(&self) -> usize;
+}
+
+/// See [`Serializer`].
+pub trait Serializable {
+    /// Expected to use [`Serializer::write`].
+    fn serialize(&self, serializer: &mut dyn Serializer);
+}
+
+impl Serializer for Vec<u8> {
+    fn write(&mut self, buf: &[u8]) {
+        self.extend(buf);
+    }
+
+    fn tell(&self) -> usize {
+        self.len()
+    }
+}