diff --git a/programs/mpl-asset/src/instruction.rs b/programs/mpl-asset/src/instruction.rs
index 73dc1719..ef4ece8b 100644
--- a/programs/mpl-asset/src/instruction.rs
+++ b/programs/mpl-asset/src/instruction.rs
@@ -17,6 +17,7 @@ pub enum MplAssetInstruction {
     #[account(6, optional, name="log_wrapper", desc = "The SPL Noop Program")]
     Create(CreateArgs),
 
+    //TODO: Implement this instruction
     /// Migrate an mpl-token-metadata asset to an mpl-asset.
     #[account(0, writable, signer, name="asset_address", desc = "The address of the new asset")]
     #[account(1, optional, signer, name="owner", desc = "The authority of the new asset")]
@@ -36,6 +37,7 @@ pub enum MplAssetInstruction {
     #[account(14, optional, name="authorization_rules", desc="Token Authorization Rules account")]
     Migrate(MigrateArgs),
 
+    //TODO: Implement this instruction
     /// Delegate an mpl-asset.
     #[account(0, writable, name="asset_address", desc = "The address of the asset")]
     #[account(1, optional, name="collection", desc = "The collection to which the asset belongs")]
@@ -45,6 +47,7 @@ pub enum MplAssetInstruction {
     #[account(5, optional, name="log_wrapper", desc = "The SPL Noop Program")]
     Delegate(DelegateArgs),
 
+    //TODO: Implement this instruction
     /// Burn an mpl-asset.
     #[account(0, writable, name="asset_address", desc = "The address of the asset")]
     #[account(1, optional, writable, name="collection", desc = "The collection to which the asset belongs")]
@@ -53,6 +56,7 @@ pub enum MplAssetInstruction {
     #[account(4, optional, name="log_wrapper", desc = "The SPL Noop Program")]
     Burn(BurnArgs),
 
+    //TODO: Implement this instruction
     /// Transfer an mpl-asset.
     #[account(0, writable, name="asset_address", desc = "The address of the asset")]
     #[account(1, optional, name="collection", desc = "The collection to which the asset belongs")]
@@ -62,6 +66,7 @@ pub enum MplAssetInstruction {
     #[account(5, optional, name="log_wrapper", desc = "The SPL Noop Program")]
     Transfer(TransferArgs),
 
+    //TODO: Implement this instruction
     /// Update an mpl-asset.
     #[account(0, writable, name="asset_address", desc = "The address of the asset")]
     #[account(1, signer, name="authority", desc = "The update authority or update authority delegate of the asset")]
@@ -71,18 +76,21 @@ pub enum MplAssetInstruction {
     #[account(5, optional, name="log_wrapper", desc = "The SPL Noop Program")]
     Update(UpdateArgs),
 
+    //TODO: Implement this instruction
     /// Freeze an mpl-asset.
     #[account(0, writable, name="asset_address", desc = "The address of the asset")]
     #[account(1, signer, name="delegate", desc = "The delegate of the asset")]
     #[account(2, optional, name="log_wrapper", desc = "The SPL Noop Program")]
     Freeze(FreezeArgs),
 
+    //TODO: Implement this instruction
     /// Thaw an mpl-asset.
     #[account(0, writable, name="asset_address", desc = "The address of the asset")]
     #[account(1, signer, name="delegate", desc = "The delegate of the asset")]
     #[account(2, optional, name="log_wrapper", desc = "The SPL Noop Program")]
     Thaw(ThawArgs),
 
+    //TODO: Implement this instruction
     /// Create a new mpl-asset.
     /// This function creates the initial mpl-asset
     #[account(0, writable, name="asset_address", desc = "The address of the asset")]
@@ -92,6 +100,7 @@ pub enum MplAssetInstruction {
     #[account(4, optional, name="log_wrapper", desc = "The SPL Noop Program")]
     Compress(CompressArgs),
 
+    //TODO: Implement this instruction
     /// Create a new mpl-asset.
     /// This function creates the initial mpl-asset
     #[account(0, writable, name="asset_address", desc = "The address of the asset")]
@@ -102,6 +111,11 @@ pub enum MplAssetInstruction {
     Decompress(DecompressArgs),
 }
 
+//TODO: Implement this struct
+#[repr(C)]
+#[derive(BorshSerialize, BorshDeserialize, PartialEq, Eq, Debug, Clone)]
+pub struct CompressionProof {}
+
 #[repr(C)]
 #[derive(BorshSerialize, BorshDeserialize, PartialEq, Eq, Debug, Clone)]
 pub struct CreateArgs {
diff --git a/programs/mpl-asset/src/plugins/mod.rs b/programs/mpl-asset/src/plugins/mod.rs
index 3ca36b7a..c7b7a58d 100644
--- a/programs/mpl-asset/src/plugins/mod.rs
+++ b/programs/mpl-asset/src/plugins/mod.rs
@@ -1,5 +1,10 @@
+mod collection;
 mod royalties;
+mod utils;
+
+pub use collection::*;
 pub use royalties::*;
+pub use utils::*;
 
 use borsh::{BorshDeserialize, BorshSerialize};
 use std::collections::HashMap;
@@ -16,8 +21,6 @@ use crate::state::Authority;
 #[derive(Clone, Debug, BorshSerialize, BorshDeserialize, Eq, PartialEq)]
 pub enum Plugin {
     Reserved,
-    Asset,
-    HashedAsset,
     Royalties,
     MasterEdition,
     PrintEdition,
diff --git a/programs/mpl-asset/src/plugins/utils.rs b/programs/mpl-asset/src/plugins/utils.rs
new file mode 100644
index 00000000..0ad36d63
--- /dev/null
+++ b/programs/mpl-asset/src/plugins/utils.rs
@@ -0,0 +1,16 @@
+use super::Plugin;
+
+//TODO: Implement this function
+pub fn create_idempotent() {
+    // Create plugin header and registry if it doesn't exist
+}
+
+//TODO: Implement this function
+pub fn fetch_plugin(plugin: u8) -> Plugin {
+    // Create plugin header and registry if it doesn't exist
+}
+
+//TODO: Implement this function
+pub fn list_plugins() -> Vec<u8> {
+    // Create plugin header and registry if it doesn't exist
+}