--- a/client/rpc/src/lib.rs
+++ b/client/rpc/src/lib.rs
@@ -248,8 +248,8 @@
 	) -> Result<Option<String>>;
 
 	/// Get whether an operator is approved by a given owner.
-	#[method(name = "unique_isApprovedForAll")]
-	fn is_approved_for_all(
+	#[method(name = "unique_allowanceForAll")]
+	fn allowance_for_all(
 		&self,
 		collection: CollectionId,
 		owner: CrossAccountId,
@@ -579,7 +579,7 @@
 	pass_method!(effective_collection_limits(collection_id: CollectionId) -> Option<CollectionLimits>, unique_api);
 	pass_method!(total_pieces(collection_id: CollectionId, token_id: TokenId) -> Option<String> => |o| o.map(|number| number.to_string()) , unique_api);
 	pass_method!(token_owners(collection: CollectionId, token: TokenId) -> Vec<CrossAccountId>, unique_api);
-	pass_method!(is_approved_for_all(collection: CollectionId, owner: CrossAccountId, operator: CrossAccountId) -> bool, unique_api);
+	pass_method!(allowance_for_all(collection: CollectionId, owner: CrossAccountId, operator: CrossAccountId) -> bool, unique_api);
 }
 
 impl<C, Block, BlockNumber, CrossAccountId, AccountId>
--- a/pallets/common/src/lib.rs
+++ b/pallets/common/src/lib.rs
@@ -1535,7 +1535,7 @@
 	fn token_owner() -> Weight;
 
 	/// The price of setting approval for all
-	fn set_approval_for_all() -> Weight;
+	fn set_allowance_for_all() -> Weight;
 }
 
 /// Weight info extension trait for refungible pallet.
@@ -1844,11 +1844,11 @@
 	/// Get extension for RFT collection.
 	fn refungible_extensions(&self) -> Option<&dyn RefungibleExtensions<T>>;
 
-	/// An operator is allowed to transfer all tokens of the sender on their behalf.
+	/// The `operator` is allowed to transfer all tokens of the `owner` on their behalf.
 	/// * `owner` - Token owner
 	/// * `operator` - Operator
 	/// * `approve` - Should operator status be granted or revoked?
-	fn set_approval_for_all(
+	fn set_allowance_for_all(
 		&self,
 		owner: T::CrossAccountId,
 		operator: T::CrossAccountId,
@@ -1856,7 +1856,7 @@
 	) -> DispatchResultWithPostInfo;
 
 	/// Tells whether the given `owner` approves the `operator`.
-	fn is_approved_for_all(&self, owner: T::CrossAccountId, operator: T::CrossAccountId) -> bool;
+	fn allowance_for_all(&self, owner: T::CrossAccountId, operator: T::CrossAccountId) -> bool;
 }
 
 /// Extension for RFT collection.
--- a/pallets/fungible/src/common.rs
+++ b/pallets/fungible/src/common.rs
@@ -108,7 +108,7 @@
 		Weight::zero()
 	}
 
-	fn set_approval_for_all() -> Weight {
+	fn set_allowance_for_all() -> Weight {
 		Weight::zero()
 	}
 }
@@ -429,7 +429,7 @@
 		<TotalSupply<T>>::try_get(self.id).ok()
 	}
 
-	fn set_approval_for_all(
+	fn set_allowance_for_all(
 		&self,
 		_owner: T::CrossAccountId,
 		_operator: T::CrossAccountId,
@@ -438,7 +438,7 @@
 		fail!(<Error<T>>::SettingApprovalForAllNotAllowed)
 	}
 
-	fn is_approved_for_all(&self, _owner: T::CrossAccountId, _operator: T::CrossAccountId) -> bool {
+	fn allowance_for_all(&self, _owner: T::CrossAccountId, _operator: T::CrossAccountId) -> bool {
 		false
 	}
 }
--- a/pallets/nonfungible/src/benchmarking.rs
+++ b/pallets/nonfungible/src/benchmarking.rs
@@ -223,17 +223,17 @@
 
 	}: {collection.token_owner(item)}
 
-	set_approval_for_all {
+	set_allowance_for_all {
 		bench_init!{
 			owner: sub; collection: collection(owner);
 			operator: cross_from_sub(owner); owner: cross_sub;
 		};
-	}: {<Pallet<T>>::set_approval_for_all(&collection, &owner, &operator, true)}
+	}: {<Pallet<T>>::set_allowance_for_all(&collection, &owner, &operator, true)}
 
-	is_approved_for_all {
+	allowance_for_all {
 		bench_init!{
 			owner: sub; collection: collection(owner);
 			operator: cross_from_sub(owner); owner: cross_sub;
 		};
-	}: {<Pallet<T>>::is_approved_for_all(&collection, &owner, &operator)}
+	}: {<Pallet<T>>::allowance_for_all(&collection, &owner, &operator)}
 }
--- a/pallets/nonfungible/src/common.rs
+++ b/pallets/nonfungible/src/common.rs
@@ -123,8 +123,8 @@
 		<SelfWeightOf<T>>::token_owner()
 	}
 
-	fn set_approval_for_all() -> Weight {
-		<SelfWeightOf<T>>::set_approval_for_all()
+	fn set_allowance_for_all() -> Weight {
+		<SelfWeightOf<T>>::set_allowance_for_all()
 	}
 }
 
@@ -517,19 +517,19 @@
 		}
 	}
 
-	fn set_approval_for_all(
+	fn set_allowance_for_all(
 		&self,
 		owner: T::CrossAccountId,
 		operator: T::CrossAccountId,
 		approve: bool,
 	) -> DispatchResultWithPostInfo {
 		with_weight(
-			<Pallet<T>>::set_approval_for_all(self, &owner, &operator, approve),
-			<CommonWeights<T>>::set_approval_for_all(),
+			<Pallet<T>>::set_allowance_for_all(self, &owner, &operator, approve),
+			<CommonWeights<T>>::set_allowance_for_all(),
 		)
 	}
 
-	fn is_approved_for_all(&self, owner: T::CrossAccountId, operator: T::CrossAccountId) -> bool {
-		<Pallet<T>>::is_approved_for_all(self, &owner, &operator)
+	fn allowance_for_all(&self, owner: T::CrossAccountId, operator: T::CrossAccountId) -> bool {
+		<Pallet<T>>::allowance_for_all(self, &owner, &operator)
 	}
 }
--- a/pallets/nonfungible/src/erc.rs
+++ b/pallets/nonfungible/src/erc.rs
@@ -472,8 +472,8 @@
 	/// @notice Sets or unsets the approval of a given operator.
 	/// The `operator` is allowed to transfer all tokens of the `caller` on their behalf.
 	/// @param operator Operator
-	/// @param approved Is operator enabled or disabled
-	#[weight(<SelfWeightOf<T>>::set_approval_for_all())]
+	/// @param approved Should operator status be granted or revoked?
+	#[weight(<SelfWeightOf<T>>::set_allowance_for_all())]
 	fn set_approval_for_all(
 		&mut self,
 		caller: caller,
@@ -483,7 +483,7 @@
 		let caller = T::CrossAccountId::from_eth(caller);
 		let operator = T::CrossAccountId::from_eth(operator);
 
-		<Pallet<T>>::set_approval_for_all(self, &caller, &operator, approved)
+		<Pallet<T>>::set_allowance_for_all(self, &caller, &operator, approved)
 			.map_err(dispatch_to_evm::<T>)?;
 		Ok(())
 	}
@@ -494,13 +494,13 @@
 		Err("not implemented".into())
 	}
 
-	/// @notice Tells whether an operator is approved by a given owner.
-	#[weight(<SelfWeightOf<T>>::is_approved_for_all())]
+	/// @notice Tells whether the given `owner` approves the `operator`.
+	#[weight(<SelfWeightOf<T>>::allowance_for_all())]
 	fn is_approved_for_all(&self, owner: address, operator: address) -> Result<bool> {
 		let owner = T::CrossAccountId::from_eth(owner);
 		let operator = T::CrossAccountId::from_eth(operator);
 
-		Ok(<Pallet<T>>::is_approved_for_all(self, &owner, &operator))
+		Ok(<Pallet<T>>::allowance_for_all(self, &owner, &operator))
 	}
 
 	/// @notice Returns collection helper contract address
--- a/pallets/nonfungible/src/lib.rs
+++ b/pallets/nonfungible/src/lib.rs
@@ -274,7 +274,7 @@
 
 	/// Operator set by a wallet owner that could perform certain transactions on all tokens in the wallet.
 	#[pallet::storage]
-	pub type WalletOperator<T: Config> = StorageNMap<
+	pub type CollectionAllowance<T: Config> = StorageNMap<
 		Key = (
 			Key<Twox64Concat, CollectionId>,
 			Key<Blake2_128Concat, T::CrossAccountId>,
@@ -450,7 +450,7 @@
 		<TokensBurnt<T>>::remove(id);
 		let _ = <Allowance<T>>::clear_prefix((id,), u32::MAX, None);
 		let _ = <AccountBalance<T>>::clear_prefix((id,), u32::MAX, None);
-		let _ = <WalletOperator<T>>::clear_prefix((id,), u32::MAX, None);
+		let _ = <CollectionAllowance<T>>::clear_prefix((id,), u32::MAX, None);
 		Ok(())
 	}
 
@@ -1206,7 +1206,7 @@
 		if <Allowance<T>>::get((collection.id, token)).as_ref() == Some(spender) {
 			return Ok(());
 		}
-		if <WalletOperator<T>>::get((collection.id, from, spender)) == Some(true) {
+		if <CollectionAllowance<T>>::get((collection.id, from, spender)) {
 			return Ok(());
 		}
 		ensure!(
@@ -1345,11 +1345,11 @@
 
 	/// Sets or unsets the approval of a given operator.
 	///
-	/// An operator is allowed to transfer all token pieces of the sender on their behalf.
+	/// The `operator` is allowed to transfer all token pieces of the `owner` on their behalf.
 	/// - `owner`: Token owner
 	/// - `operator`: Operator
-	/// - `approve`: Is operator enabled or disabled
-	pub fn set_approval_for_all(
+	/// - `approve`: Should operator status be granted or revoked?
+	pub fn set_allowance_for_all(
 		collection: &NonfungibleHandle<T>,
 		owner: &T::CrossAccountId,
 		operator: &T::CrossAccountId,
@@ -1364,7 +1364,7 @@
 
 		// =========
 
-		<WalletOperator<T>>::insert((collection.id, owner, operator), approve);
+		<CollectionAllowance<T>>::insert((collection.id, owner, operator), approve);
 		<PalletEvm<T>>::deposit_log(
 			ERC721Events::ApprovalForAll {
 				owner: *owner.as_eth(),
@@ -1382,12 +1382,12 @@
 		Ok(())
 	}
 
-	/// Tells whether an operator is approved by a given owner.
-	pub fn is_approved_for_all(
+	/// Tells whether the given `owner` approves the `operator`.
+	pub fn allowance_for_all(
 		collection: &NonfungibleHandle<T>,
 		owner: &T::CrossAccountId,
 		operator: &T::CrossAccountId,
 	) -> bool {
-		<WalletOperator<T>>::get((collection.id, owner, operator)).unwrap_or(false)
+		<CollectionAllowance<T>>::get((collection.id, owner, operator))
 	}
 }
--- a/pallets/nonfungible/src/stubs/UniqueNFT.sol
+++ b/pallets/nonfungible/src/stubs/UniqueNFT.sol
@@ -1021,9 +1021,9 @@
 	}
 
 	/// @notice Sets or unsets the approval of a given operator.
-	///  An operator is allowed to transfer all tokens of the sender on their behalf.
+	/// The `operator` is allowed to transfer all tokens of the `caller` on their behalf.
 	/// @param operator Operator
-	/// @param approved Is operator enabled or disabled
+	/// @param approved Should operator status be granted or revoked?
 	/// @dev EVM selector for this function is: 0xa22cb465,
 	///  or in textual repr: setApprovalForAll(address,bool)
 	function setApprovalForAll(address operator, bool approved) public {
@@ -1043,7 +1043,7 @@
 		return 0x0000000000000000000000000000000000000000;
 	}
 
-	/// @notice Tells whether an operator is approved by a given owner.
+	/// @notice Tells whether the given `owner` approves the `operator`.
 	/// @dev EVM selector for this function is: 0xe985e9c5,
 	///  or in textual repr: isApprovedForAll(address,address)
 	function isApprovedForAll(address owner, address operator) public view returns (bool) {
--- a/pallets/nonfungible/src/weights.rs
+++ b/pallets/nonfungible/src/weights.rs
@@ -48,8 +48,8 @@
 	fn set_token_properties(b: u32, ) -> Weight;
 	fn delete_token_properties(b: u32, ) -> Weight;
 	fn token_owner() -> Weight;
-	fn set_approval_for_all() -> Weight;
-	fn is_approved_for_all() -> Weight;
+	fn set_allowance_for_all() -> Weight;
+	fn allowance_for_all() -> Weight;
 }
 
 /// Weights for pallet_nonfungible using the Substrate node and recommended hardware.
@@ -199,12 +199,12 @@
 			.saturating_add(T::DbWeight::get().reads(1 as u64))
 	}
 	// Storage: Nonfungible WalletOperator (r:0 w:1)
-	fn set_approval_for_all() -> Weight {
+	fn set_allowance_for_all() -> Weight {
 		Weight::from_ref_time(16_231_000 as u64)
 			.saturating_add(T::DbWeight::get().writes(1 as u64))
 	}
 	// Storage: Nonfungible WalletOperator (r:1 w:0)
-	fn is_approved_for_all() -> Weight {
+	fn allowance_for_all() -> Weight {
 		Weight::from_ref_time(6_161_000 as u64)
 			.saturating_add(T::DbWeight::get().reads(1 as u64))
 	}
@@ -356,12 +356,12 @@
 			.saturating_add(RocksDbWeight::get().reads(1 as u64))
 	}
 	// Storage: Nonfungible WalletOperator (r:0 w:1)
-	fn set_approval_for_all() -> Weight {
+	fn set_allowance_for_all() -> Weight {
 		Weight::from_ref_time(16_231_000 as u64)
 			.saturating_add(RocksDbWeight::get().writes(1 as u64))
 	}
 	// Storage: Nonfungible WalletOperator (r:1 w:0)
-	fn is_approved_for_all() -> Weight {
+	fn allowance_for_all() -> Weight {
 		Weight::from_ref_time(6_161_000 as u64)
 			.saturating_add(RocksDbWeight::get().reads(1 as u64))
 	}
--- a/pallets/refungible/src/benchmarking.rs
+++ b/pallets/refungible/src/benchmarking.rs
@@ -291,17 +291,17 @@
 		let item = create_max_item(&collection, &sender, [(owner.clone(), 100)])?;
 	}: {<Pallet<T>>::token_owner(collection.id, item)}
 
-	set_approval_for_all {
+	set_allowance_for_all {
 		bench_init!{
 			owner: sub; collection: collection(owner);
 			operator: cross_from_sub(owner); owner: cross_sub;
 		};
-	}: {<Pallet<T>>::set_approval_for_all(&collection, &owner, &operator, true)}
+	}: {<Pallet<T>>::set_allowance_for_all(&collection, &owner, &operator, true)}
 
-	is_approved_for_all {
+	allowance_for_all {
 		bench_init!{
 			owner: sub; collection: collection(owner);
 			operator: cross_from_sub(owner); owner: cross_sub;
 		};
-	}: {<Pallet<T>>::is_approved_for_all(&collection, &owner, &operator)}
+	}: {<Pallet<T>>::allowance_for_all(&collection, &owner, &operator)}
 }
--- a/pallets/refungible/src/common.rs
+++ b/pallets/refungible/src/common.rs
@@ -153,8 +153,8 @@
 		<SelfWeightOf<T>>::token_owner()
 	}
 
-	fn set_approval_for_all() -> Weight {
-		<SelfWeightOf<T>>::set_approval_for_all()
+	fn set_allowance_for_all() -> Weight {
+		<SelfWeightOf<T>>::set_allowance_for_all()
 	}
 }
 
@@ -521,20 +521,20 @@
 		<Pallet<T>>::total_pieces(self.id, token)
 	}
 
-	fn set_approval_for_all(
+	fn set_allowance_for_all(
 		&self,
 		owner: T::CrossAccountId,
 		operator: T::CrossAccountId,
 		approve: bool,
 	) -> DispatchResultWithPostInfo {
 		with_weight(
-			<Pallet<T>>::set_approval_for_all(self, &owner, &operator, approve),
-			<CommonWeights<T>>::set_approval_for_all(),
+			<Pallet<T>>::set_allowance_for_all(self, &owner, &operator, approve),
+			<CommonWeights<T>>::set_allowance_for_all(),
 		)
 	}
 
-	fn is_approved_for_all(&self, owner: T::CrossAccountId, operator: T::CrossAccountId) -> bool {
-		<Pallet<T>>::is_approved_for_all(self, &owner, &operator)
+	fn allowance_for_all(&self, owner: T::CrossAccountId, operator: T::CrossAccountId) -> bool {
+		<Pallet<T>>::allowance_for_all(self, &owner, &operator)
 	}
 }
 
--- a/pallets/refungible/src/erc.rs
+++ b/pallets/refungible/src/erc.rs
@@ -462,10 +462,10 @@
 	}
 
 	/// @notice Sets or unsets the approval of a given operator.
-	///  An operator is allowed to transfer all tokens of the sender on their behalf.
+	///  The `operator` is allowed to transfer all token pieces of the `caller` on their behalf.
 	/// @param operator Operator
-	/// @param approved Is operator enabled or disabled
-	#[weight(<SelfWeightOf<T>>::set_approval_for_all())]
+	/// @param approved Should operator status be granted or revoked?
+	#[weight(<SelfWeightOf<T>>::set_allowance_for_all())]
 	fn set_approval_for_all(
 		&mut self,
 		caller: caller,
@@ -475,7 +475,7 @@
 		let caller = T::CrossAccountId::from_eth(caller);
 		let operator = T::CrossAccountId::from_eth(operator);
 
-		<Pallet<T>>::set_approval_for_all(self, &caller, &operator, approved)
+		<Pallet<T>>::set_allowance_for_all(self, &caller, &operator, approved)
 			.map_err(dispatch_to_evm::<T>)?;
 		Ok(())
 	}
@@ -486,13 +486,13 @@
 		Err("not implemented".into())
 	}
 
-	/// @notice Tells whether an operator is approved by a given owner.
-	#[weight(<SelfWeightOf<T>>::is_approved_for_all())]
+	/// @notice Tells whether the given `owner` approves the `operator`.
+	#[weight(<SelfWeightOf<T>>::allowance_for_all())]
 	fn is_approved_for_all(&self, owner: address, operator: address) -> Result<bool> {
 		let owner = T::CrossAccountId::from_eth(owner);
 		let operator = T::CrossAccountId::from_eth(operator);
 
-		Ok(<Pallet<T>>::is_approved_for_all(self, &owner, &operator))
+		Ok(<Pallet<T>>::allowance_for_all(self, &owner, &operator))
 	}
 
 	/// @notice Returns collection helper contract address
--- a/pallets/refungible/src/lib.rs
+++ b/pallets/refungible/src/lib.rs
@@ -275,14 +275,14 @@
 
 	/// Operator set by a wallet owner that could perform certain transactions on all tokens in the wallet.
 	#[pallet::storage]
-	pub type WalletOperator<T: Config> = StorageNMap<
+	pub type CollectionAllowance<T: Config> = StorageNMap<
 		Key = (
 			Key<Twox64Concat, CollectionId>,
 			Key<Blake2_128Concat, T::CrossAccountId>,
 			Key<Blake2_128Concat, T::CrossAccountId>,
 		),
 		Value = bool,
-		QueryKind = OptionQuery,
+		QueryKind = ValueQuery,
 	>;
 
 	#[pallet::hooks]
@@ -1174,8 +1174,8 @@
 		let allowance =
 			<Allowance<T>>::get((collection.id, token, from, &spender)).checked_sub(amount);
 
-		// Allowance if any would be reduced if spender is also wallet operator
-		if <WalletOperator<T>>::get((collection.id, from, spender)) == Some(true) {
+		// Allowance (if any) would be reduced if spender is also wallet operator
+		if <CollectionAllowance<T>>::get((collection.id, from, spender)) {
 			return Ok(allowance);
 		}
 
@@ -1408,11 +1408,11 @@
 
 	/// Sets or unsets the approval of a given operator.
 	///
-	/// An operator is allowed to transfer all tokens of the sender on their behalf.
+	/// The `operator` is allowed to transfer all token pieces of the `owner` on their behalf.
 	/// - `owner`: Token owner
 	/// - `operator`: Operator
-	/// - `approve`: Is operator enabled or disabled
-	pub fn set_approval_for_all(
+	/// - `approve`: Should operator status be granted or revoked?
+	pub fn set_allowance_for_all(
 		collection: &RefungibleHandle<T>,
 		owner: &T::CrossAccountId,
 		operator: &T::CrossAccountId,
@@ -1427,7 +1427,7 @@
 
 		// =========
 
-		<WalletOperator<T>>::insert((collection.id, owner, operator), approve);
+		<CollectionAllowance<T>>::insert((collection.id, owner, operator), approve);
 		<PalletEvm<T>>::deposit_log(
 			ERC721Events::ApprovalForAll {
 				owner: *owner.as_eth(),
@@ -1445,12 +1445,12 @@
 		Ok(())
 	}
 
-	/// Tells whether an operator is approved by a given owner.
-	pub fn is_approved_for_all(
+	/// Tells whether the given `owner` approves the `operator`.
+	pub fn allowance_for_all(
 		collection: &RefungibleHandle<T>,
 		owner: &T::CrossAccountId,
 		operator: &T::CrossAccountId,
 	) -> bool {
-		<WalletOperator<T>>::get((collection.id, owner, operator)).unwrap_or(false)
+		<CollectionAllowance<T>>::get((collection.id, owner, operator))
 	}
 }
--- a/pallets/refungible/src/stubs/UniqueRefungible.sol
+++ b/pallets/refungible/src/stubs/UniqueRefungible.sol
@@ -1018,9 +1018,9 @@
 	}
 
 	/// @notice Sets or unsets the approval of a given operator.
-	///  An operator is allowed to transfer all tokens of the sender on their behalf.
+	///  The `operator` is allowed to transfer all token pieces of the `caller` on their behalf.
 	/// @param operator Operator
-	/// @param approved Is operator enabled or disabled
+	/// @param approved Should operator status be granted or revoked?
 	/// @dev EVM selector for this function is: 0xa22cb465,
 	///  or in textual repr: setApprovalForAll(address,bool)
 	function setApprovalForAll(address operator, bool approved) public {
@@ -1040,7 +1040,7 @@
 		return 0x0000000000000000000000000000000000000000;
 	}
 
-	/// @notice Tells whether an operator is approved by a given owner.
+	/// @notice Tells whether the given `owner` approves the `operator`.
 	/// @dev EVM selector for this function is: 0xe985e9c5,
 	///  or in textual repr: isApprovedForAll(address,address)
 	function isApprovedForAll(address owner, address operator) public view returns (bool) {
--- a/pallets/refungible/src/weights.rs
+++ b/pallets/refungible/src/weights.rs
@@ -55,8 +55,8 @@
 	fn delete_token_properties(b: u32, ) -> Weight;
 	fn repartition_item() -> Weight;
 	fn token_owner() -> Weight;
-	fn set_approval_for_all() -> Weight;
-	fn is_approved_for_all() -> Weight;
+	fn set_allowance_for_all() -> Weight;
+	fn allowance_for_all() -> Weight;
 }
 
 /// Weights for pallet_refungible using the Substrate node and recommended hardware.
@@ -263,12 +263,12 @@
 			.saturating_add(T::DbWeight::get().reads(2 as u64))
 	}
 	// Storage: Refungible WalletOperator (r:0 w:1)
-	fn set_approval_for_all() -> Weight {
+	fn set_allowance_for_all() -> Weight {
 		Weight::from_ref_time(16_150_000 as u64)
 			.saturating_add(T::DbWeight::get().writes(1 as u64))
 	}
 	// Storage: Refungible WalletOperator (r:1 w:0)
-	fn is_approved_for_all() -> Weight {
+	fn allowance_for_all() -> Weight {
 		Weight::from_ref_time(5_901_000 as u64)
 			.saturating_add(T::DbWeight::get().reads(1 as u64))
 	}
@@ -477,12 +477,12 @@
 			.saturating_add(RocksDbWeight::get().reads(2 as u64))
 	}
 	// Storage: Refungible WalletOperator (r:0 w:1)
-	fn set_approval_for_all() -> Weight {
+	fn set_allowance_for_all() -> Weight {
 		Weight::from_ref_time(16_150_000 as u64)
 			.saturating_add(RocksDbWeight::get().writes(1 as u64))
 	}
 	// Storage: Refungible WalletOperator (r:1 w:0)
-	fn is_approved_for_all() -> Weight {
+	fn allowance_for_all() -> Weight {
 		Weight::from_ref_time(5_901_000 as u64)
 			.saturating_add(RocksDbWeight::get().reads(1 as u64))
 	}
--- a/pallets/unique/src/eth/mod.rs
+++ b/pallets/unique/src/eth/mod.rs
@@ -36,7 +36,7 @@
 use sp_std::vec;
 use up_data_structs::{
 	CollectionDescription, CollectionMode, CollectionName, CollectionTokenPrefix,
-	CreateCollectionData, CollectionId,
+	CreateCollectionData,
 };
 
 use crate::{weights::WeightInfo, Config, SelfWeightOf};
--- a/pallets/unique/src/lib.rs
+++ b/pallets/unique/src/lib.rs
@@ -1129,15 +1129,15 @@
 
 		/// Sets or unsets the approval of a given operator.
 		///
-		/// An operator is allowed to transfer all tokens of the sender on their behalf.
+		/// The `operator` is allowed to transfer all tokens of the `owner` on their behalf.
 		///
 		/// # Arguments
 		///
 		/// * `owner`: Token owner
 		/// * `operator`: Operator
-		/// * `approve`: Is operator enabled or disabled
-		#[weight = T::CommonWeightInfo::set_approval_for_all()]
-		pub fn set_approval_for_all(
+		/// * `approve`: Should operator status be granted or revoked?
+		#[weight = T::CommonWeightInfo::set_allowance_for_all()]
+		pub fn set_allowance_for_all(
 			origin,
 			collection_id: CollectionId,
 			operator: T::CrossAccountId,
@@ -1145,7 +1145,7 @@
 		) -> DispatchResultWithPostInfo {
 			let sender = T::CrossAccountId::from_sub(ensure_signed(origin)?);
 			dispatch_tx::<T, _>(collection_id, |d| {
-				d.set_approval_for_all(sender, operator, approve)
+				d.set_allowance_for_all(sender, operator, approve)
 			})
 		}
 	}
--- a/primitives/rpc/src/lib.rs
+++ b/primitives/rpc/src/lib.rs
@@ -134,6 +134,6 @@
 		fn token_owners(collection: CollectionId, token: TokenId) -> Result<Vec<CrossAccountId>>;
 
 		/// Get whether an operator is approved by a given owner.
-		fn is_approved_for_all(collection: CollectionId, owner: CrossAccountId, operator: CrossAccountId) -> Result<bool>;
+		fn allowance_for_all(collection: CollectionId, owner: CrossAccountId, operator: CrossAccountId) -> Result<bool>;
 	}
 }
--- a/runtime/common/runtime_apis.rs
+++ b/runtime/common/runtime_apis.rs
@@ -188,8 +188,8 @@
                     dispatch_unique_runtime!(collection.total_pieces(token_id))
                 }
 
-		        fn is_approved_for_all(collection: CollectionId, owner: CrossAccountId, operator: CrossAccountId) -> Result<bool, DispatchError> {
-                    dispatch_unique_runtime!(collection.is_approved_for_all(owner, operator))
+		        fn allowance_for_all(collection: CollectionId, owner: CrossAccountId, operator: CrossAccountId) -> Result<bool, DispatchError> {
+                    dispatch_unique_runtime!(collection.allowance_for_all(owner, operator))
                 }
             }
 
--- a/runtime/common/weights.rs
+++ b/runtime/common/weights.rs
@@ -121,8 +121,8 @@
 		max_weight_of!(token_owner())
 	}
 
-	fn set_approval_for_all() -> Weight {
-		max_weight_of!(set_approval_for_all())
+	fn set_allowance_for_all() -> Weight {
+		max_weight_of!(set_allowance_for_all())
 	}
 }
 
--- a/tests/src/approve.test.ts
+++ b/tests/src/approve.test.ts
@@ -617,26 +617,31 @@
 
   itSub('[nft] Enable and disable approval', async ({helper}) => {
     const {collectionId} = await helper.nft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    await helper.nft.mintToken(alice, {collectionId: collectionId, owner: alice.address});
-    const checkBeforeApproval = await helper.nft.isApprovedForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
+
+    const checkBeforeApproval = await helper.nft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
     expect(checkBeforeApproval).to.be.false;
-    await helper.nft.setApprovalForAll(alice, collectionId, {Substrate: bob.address}, true);
-    const checkAfterApproval = await helper.nft.isApprovedForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
+
+    await helper.nft.setAllowanceForAll(alice, collectionId, {Substrate: bob.address}, true);
+    const checkAfterApproval = await helper.nft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
     expect(checkAfterApproval).to.be.true;
-    await helper.nft.setApprovalForAll(alice, collectionId, {Substrate: bob.address}, false);
-    const checkAfterDisapproval = await helper.nft.isApprovedForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
+
+    await helper.nft.setAllowanceForAll(alice, collectionId, {Substrate: bob.address}, false);
+    const checkAfterDisapproval = await helper.nft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
     expect(checkAfterDisapproval).to.be.false;
   });
 
   itSub.ifWithPallets('[rft] Enable and disable approval', [Pallets.ReFungible], async ({helper}) => {
     const {collectionId} = await helper.rft.mintCollection(alice, {name: 'col', description: 'descr', tokenPrefix: 'COL'});
-    const checkBeforeApproval = await helper.rft.isApprovedForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
+
+    const checkBeforeApproval = await helper.rft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
     expect(checkBeforeApproval).to.be.false;
-    await helper.rft.setApprovalForAll(alice, collectionId, {Substrate: bob.address}, true);
-    const checkAfterApproval = await helper.rft.isApprovedForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
+
+    await helper.rft.setAllowanceForAll(alice, collectionId, {Substrate: bob.address}, true);
+    const checkAfterApproval = await helper.rft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
     expect(checkAfterApproval).to.be.true;
-    await helper.rft.setApprovalForAll(alice, collectionId, {Substrate: bob.address}, false);
-    const checkAfterDisapproval = await helper.rft.isApprovedForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
+    
+    await helper.rft.setAllowanceForAll(alice, collectionId, {Substrate: bob.address}, false);
+    const checkAfterDisapproval = await helper.rft.allowanceForAll(collectionId, {Substrate: alice.address}, {Substrate: bob.address});
     expect(checkAfterDisapproval).to.be.false;
   });
 });
--- a/tests/src/eth/api/UniqueNFT.sol
+++ b/tests/src/eth/api/UniqueNFT.sol
@@ -672,9 +672,9 @@
 	function approve(address approved, uint256 tokenId) external;
 
 	/// @notice Sets or unsets the approval of a given operator.
-	///  An operator is allowed to transfer all tokens of the sender on their behalf.
+	/// The `operator` is allowed to transfer all tokens of the `caller` on their behalf.
 	/// @param operator Operator
-	/// @param approved Is operator enabled or disabled
+	/// @param approved Should operator status be granted or revoked?
 	/// @dev EVM selector for this function is: 0xa22cb465,
 	///  or in textual repr: setApprovalForAll(address,bool)
 	function setApprovalForAll(address operator, bool approved) external;
@@ -684,7 +684,7 @@
 	///  or in textual repr: getApproved(uint256)
 	function getApproved(uint256 tokenId) external view returns (address);
 
-	/// @notice Tells whether an operator is approved by a given owner.
+	/// @notice Tells whether the given `owner` approves the `operator`.
 	/// @dev EVM selector for this function is: 0xe985e9c5,
 	///  or in textual repr: isApprovedForAll(address,address)
 	function isApprovedForAll(address owner, address operator) external view returns (bool);
--- a/tests/src/eth/api/UniqueRefungible.sol
+++ b/tests/src/eth/api/UniqueRefungible.sol
@@ -669,9 +669,9 @@
 	function approve(address approved, uint256 tokenId) external;
 
 	/// @notice Sets or unsets the approval of a given operator.
-	///  An operator is allowed to transfer all tokens of the sender on their behalf.
+	///  The `operator` is allowed to transfer all token pieces of the `caller` on their behalf.
 	/// @param operator Operator
-	/// @param approved Is operator enabled or disabled
+	/// @param approved Should operator status be granted or revoked?
 	/// @dev EVM selector for this function is: 0xa22cb465,
 	///  or in textual repr: setApprovalForAll(address,bool)
 	function setApprovalForAll(address operator, bool approved) external;
@@ -681,7 +681,7 @@
 	///  or in textual repr: getApproved(uint256)
 	function getApproved(uint256 tokenId) external view returns (address);
 
-	/// @notice Tells whether an operator is approved by a given owner.
+	/// @notice Tells whether the given `owner` approves the `operator`.
 	/// @dev EVM selector for this function is: 0xe985e9c5,
 	///  or in textual repr: isApprovedForAll(address,address)
 	function isApprovedForAll(address owner, address operator) external view returns (bool);
--- a/tests/src/eth/nonFungible.test.ts
+++ b/tests/src/eth/nonFungible.test.ts
@@ -935,48 +935,54 @@
   let donor: IKeyringPair;
   let minter: IKeyringPair;
   let alice: IKeyringPair;
-  let bob: IKeyringPair;
 
   before(async function() {
     await usingEthPlaygrounds(async (helper, privateKey) => {
       donor = await privateKey({filename: __filename});
-      [minter, alice, bob] = await helper.arrange.createAccounts([100n, 100n, 100n], donor);
+      [minter, alice] = await helper.arrange.createAccounts([100n, 100n], donor);
     });
   });
 
   itEth('[negative] Cant perform burn without approval', async ({helper}) => {
     const collection = await helper.nft.mintCollection(minter, {name: 'A', description: 'B', tokenPrefix: 'C'});
 
-    const owner = bob;
+    const owner = await helper.eth.createAccountWithBalance(donor, 100n);
     const spender = await helper.eth.createAccountWithBalance(donor, 100n);
 
-    const token = await collection.mintToken(minter, {Substrate: owner.address});
+    const token = await collection.mintToken(minter, {Ethereum: owner});
 
     const address = helper.ethAddress.fromCollectionId(collection.collectionId);
     const contract = helper.ethNativeContract.collection(address, 'nft');
 
-    {
-      const ownerCross = helper.ethCrossAccount.fromKeyringPair(owner);
-      await expect(contract.methods.burnFromCross(ownerCross, token.tokenId).send({from: spender})).to.be.rejected;
-    }
+    const ownerCross = helper.ethCrossAccount.fromAddress(owner);
+    await expect(contract.methods.burnFromCross(ownerCross, token.tokenId).send({from: spender})).to.be.rejected;
+
+    await contract.methods.setApprovalForAll(spender, true).send({from: owner});
+    await contract.methods.setApprovalForAll(spender, false).send({from: owner});
+
+    await expect(contract.methods.burnFromCross(ownerCross, token.tokenId).send({from: spender})).to.be.rejected;
   });
 
   itEth('[negative] Cant perform transfer without approval', async ({helper}) => {
     const collection = await helper.nft.mintCollection(minter, {name: 'A', description: 'B', tokenPrefix: 'C'});
-    const owner = bob;
     const receiver = alice;
 
+    const owner = await helper.eth.createAccountWithBalance(donor, 100n);
     const spender = await helper.eth.createAccountWithBalance(donor, 100n);
 
-    const token = await collection.mintToken(minter, {Substrate: owner.address});
+    const token = await collection.mintToken(minter, {Ethereum: owner});
 
     const address = helper.ethAddress.fromCollectionId(collection.collectionId);
     const contract = helper.ethNativeContract.collection(address, 'nft');
 
-    {
-      const ownerCross = helper.ethCrossAccount.fromKeyringPair(owner);
-      const recieverCross = helper.ethCrossAccount.fromKeyringPair(receiver);
-      await expect(contract.methods.transferFromCross(ownerCross, recieverCross, token.tokenId).send({from: spender})).to.be.rejected;
-    }
+    const ownerCross = helper.ethCrossAccount.fromAddress(owner);
+    const recieverCross = helper.ethCrossAccount.fromKeyringPair(receiver);
+
+    await expect(contract.methods.transferFromCross(ownerCross, recieverCross, token.tokenId).send({from: spender})).to.be.rejected;
+
+    await contract.methods.setApprovalForAll(spender, true).send({from: owner});
+    await contract.methods.setApprovalForAll(spender, false).send({from: owner});
+    
+    await expect(contract.methods.transferFromCross(ownerCross, recieverCross, token.tokenId).send({from: spender})).to.be.rejected;
   });
 });
--- a/tests/src/eth/reFungible.test.ts
+++ b/tests/src/eth/reFungible.test.ts
@@ -750,10 +750,14 @@
     const address = helper.ethAddress.fromCollectionId(collection.collectionId);
     const contract = helper.ethNativeContract.collection(address, 'rft');
 
-    {
-      const ownerCross = helper.ethCrossAccount.fromAddress(owner);
-      await expect(contract.methods.burnFromCross(ownerCross, token.tokenId).send({from: spender})).to.be.rejected;
-    }
+    const ownerCross = helper.ethCrossAccount.fromAddress(owner);
+
+    await expect(contract.methods.burnFromCross(ownerCross, token.tokenId).send({from: spender})).to.be.rejected;
+
+    await contract.methods.setApprovalForAll(spender, true).send({from: owner});
+    await contract.methods.setApprovalForAll(spender, false).send({from: owner});
+
+    await expect(contract.methods.burnFromCross(ownerCross, token.tokenId).send({from: spender})).to.be.rejected;
   });
 
   itEth('[negative] Cant perform transfer without approval', async ({helper}) => {
@@ -768,10 +772,14 @@
     const address = helper.ethAddress.fromCollectionId(collection.collectionId);
     const contract = helper.ethNativeContract.collection(address, 'rft');
 
-    {
-      const ownerCross = helper.ethCrossAccount.fromAddress(owner);
-      const recieverCross = helper.ethCrossAccount.fromKeyringPair(receiver);
-      await expect(contract.methods.transferFromCross(ownerCross, recieverCross, token.tokenId).send({from: spender})).to.be.rejected;
-    }
+    const ownerCross = helper.ethCrossAccount.fromAddress(owner);
+    const recieverCross = helper.ethCrossAccount.fromKeyringPair(receiver);
+    
+    await expect(contract.methods.transferFromCross(ownerCross, recieverCross, token.tokenId).send({from: spender})).to.be.rejected;
+
+    await contract.methods.setApprovalForAll(spender, true).send({from: owner});
+    await contract.methods.setApprovalForAll(spender, false).send({from: owner});
+    
+    await expect(contract.methods.transferFromCross(ownerCross, recieverCross, token.tokenId).send({from: spender})).to.be.rejected;
   });
 });
--- a/tests/src/interfaces/augment-api-events.ts
+++ b/tests/src/interfaces/augment-api-events.ts
@@ -107,7 +107,7 @@
        **/
       Approved: AugmentedEvent<ApiType, [u32, u32, PalletEvmAccountBasicCrossAccountIdRepr, PalletEvmAccountBasicCrossAccountIdRepr, u128]>;
       /**
-       * Amount pieces of token owned by `sender` was approved for `spender`.
+       * A `sender` approves operations on all owned tokens for `spender`.
        **/
       ApprovedForAll: AugmentedEvent<ApiType, [u32, PalletEvmAccountBasicCrossAccountIdRepr, PalletEvmAccountBasicCrossAccountIdRepr, bool]>;
       /**
--- a/tests/src/interfaces/augment-api-query.ts
+++ b/tests/src/interfaces/augment-api-query.ts
@@ -406,6 +406,10 @@
        **/
       allowance: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: u32 | AnyNumber | Uint8Array) => Observable<Option<PalletEvmAccountBasicCrossAccountIdRepr>>, [u32, u32]> & QueryableStorageEntry<ApiType, [u32, u32]>;
       /**
+       * Operator set by a wallet owner that could perform certain transactions on all tokens in the wallet.
+       **/
+      collectionAllowance: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, arg3: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array) => Observable<bool>, [u32, PalletEvmAccountBasicCrossAccountIdRepr, PalletEvmAccountBasicCrossAccountIdRepr]> & QueryableStorageEntry<ApiType, [u32, PalletEvmAccountBasicCrossAccountIdRepr, PalletEvmAccountBasicCrossAccountIdRepr]>;
+      /**
        * Used to enumerate tokens owned by account.
        **/
       owned: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, arg3: u32 | AnyNumber | Uint8Array) => Observable<bool>, [u32, PalletEvmAccountBasicCrossAccountIdRepr, u32]> & QueryableStorageEntry<ApiType, [u32, PalletEvmAccountBasicCrossAccountIdRepr, u32]>;
@@ -441,10 +445,6 @@
        * Total amount of minted tokens in a collection.
        **/
       tokensMinted: AugmentedQuery<ApiType, (arg: u32 | AnyNumber | Uint8Array) => Observable<u32>, [u32]> & QueryableStorageEntry<ApiType, [u32]>;
-      /**
-       * Operator set by a wallet owner that could perform certain transactions on all tokens in the wallet.
-       **/
-      walletOperator: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, arg3: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array) => Observable<Option<bool>>, [u32, PalletEvmAccountBasicCrossAccountIdRepr, PalletEvmAccountBasicCrossAccountIdRepr]> & QueryableStorageEntry<ApiType, [u32, PalletEvmAccountBasicCrossAccountIdRepr, PalletEvmAccountBasicCrossAccountIdRepr]>;
       /**
        * Generic query
        **/
@@ -625,6 +625,10 @@
        **/
       balance: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: u32 | AnyNumber | Uint8Array, arg3: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array) => Observable<u128>, [u32, u32, PalletEvmAccountBasicCrossAccountIdRepr]> & QueryableStorageEntry<ApiType, [u32, u32, PalletEvmAccountBasicCrossAccountIdRepr]>;
       /**
+       * Operator set by a wallet owner that could perform certain transactions on all tokens in the wallet.
+       **/
+      collectionAllowance: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, arg3: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array) => Observable<bool>, [u32, PalletEvmAccountBasicCrossAccountIdRepr, PalletEvmAccountBasicCrossAccountIdRepr]> & QueryableStorageEntry<ApiType, [u32, PalletEvmAccountBasicCrossAccountIdRepr, PalletEvmAccountBasicCrossAccountIdRepr]>;
+      /**
        * Used to enumerate tokens owned by account.
        **/
       owned: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, arg3: u32 | AnyNumber | Uint8Array) => Observable<bool>, [u32, PalletEvmAccountBasicCrossAccountIdRepr, u32]> & QueryableStorageEntry<ApiType, [u32, PalletEvmAccountBasicCrossAccountIdRepr, u32]>;
@@ -648,10 +652,6 @@
        * Total amount of pieces for token
        **/
       totalSupply: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: u32 | AnyNumber | Uint8Array) => Observable<u128>, [u32, u32]> & QueryableStorageEntry<ApiType, [u32, u32]>;
-      /**
-       * Operator set by a wallet owner that could perform certain transactions on all tokens in the wallet.
-       **/
-      walletOperator: AugmentedQuery<ApiType, (arg1: u32 | AnyNumber | Uint8Array, arg2: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, arg3: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array) => Observable<Option<bool>>, [u32, PalletEvmAccountBasicCrossAccountIdRepr, PalletEvmAccountBasicCrossAccountIdRepr]> & QueryableStorageEntry<ApiType, [u32, PalletEvmAccountBasicCrossAccountIdRepr, PalletEvmAccountBasicCrossAccountIdRepr]>;
       /**
        * Generic query
        **/
--- a/tests/src/interfaces/augment-api-rpc.ts
+++ b/tests/src/interfaces/augment-api-rpc.ts
@@ -684,6 +684,10 @@
        **/
       allowance: AugmentedRpc<(collection: u32 | AnyNumber | Uint8Array, sender: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, spender: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, tokenId: u32 | AnyNumber | Uint8Array, at?: Hash | string | Uint8Array) => Observable<u128>>;
       /**
+       * Tells whether the given `owner` approves the `operator`.
+       **/
+      allowanceForAll: AugmentedRpc<(collection: u32 | AnyNumber | Uint8Array, owner: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, operator: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, at?: Hash | string | Uint8Array) => Observable<Option<bool>>>;
+      /**
        * Check if a user is allowed to operate within a collection
        **/
       allowed: AugmentedRpc<(collection: u32 | AnyNumber | Uint8Array, account: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, at?: Hash | string | Uint8Array) => Observable<bool>>;
@@ -719,10 +723,6 @@
        * Get effective collection limits
        **/
       effectiveCollectionLimits: AugmentedRpc<(collection: u32 | AnyNumber | Uint8Array, at?: Hash | string | Uint8Array) => Observable<Option<UpDataStructsCollectionLimits>>>;
-      /**
-       * Tells whether an operator is approved by a given owner.
-       **/
-      isApprovedForAll: AugmentedRpc<(collection: u32 | AnyNumber | Uint8Array, owner: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, operator: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, at?: Hash | string | Uint8Array) => Observable<Option<bool>>>;
       /**
        * Get the last token ID created in a collection
        **/
--- a/tests/src/interfaces/augment-api-tx.ts
+++ b/tests/src/interfaces/augment-api-tx.ts
@@ -1547,15 +1547,15 @@
       /**
        * Sets or unsets the approval of a given operator.
        * 
-       * An operator is allowed to transfer all tokens of the sender on their behalf.
+       * The `operator` is allowed to transfer all tokens of the `owner` on their behalf.
        * 
        * # Arguments
        * 
        * * `owner`: Token owner
        * * `operator`: Operator
-       * * `approve`: Is operator enabled or disabled
+       * * `approve`: Should operator status be granted or revoked?
        **/
-      setApprovalForAll: AugmentedSubmittable<(collectionId: u32 | AnyNumber | Uint8Array, operator: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, approve: bool | boolean | Uint8Array) => SubmittableExtrinsic<ApiType>, [u32, PalletEvmAccountBasicCrossAccountIdRepr, bool]>;
+      setAllowanceForAll: AugmentedSubmittable<(collectionId: u32 | AnyNumber | Uint8Array, operator: PalletEvmAccountBasicCrossAccountIdRepr | { Substrate: any } | { Ethereum: any } | string | Uint8Array, approve: bool | boolean | Uint8Array) => SubmittableExtrinsic<ApiType>, [u32, PalletEvmAccountBasicCrossAccountIdRepr, bool]>;
       /**
        * Set specific limits of a collection. Empty, or None fields mean chain default.
        * 
--- a/tests/src/interfaces/default/types.ts
+++ b/tests/src/interfaces/default/types.ts
@@ -2312,13 +2312,13 @@
     readonly tokenId: u32;
     readonly amount: u128;
   } & Struct;
-  readonly isSetApprovalForAll: boolean;
-  readonly asSetApprovalForAll: {
+  readonly isSetAllowanceForAll: boolean;
+  readonly asSetAllowanceForAll: {
     readonly collectionId: u32;
     readonly operator: PalletEvmAccountBasicCrossAccountIdRepr;
     readonly approve: bool;
   } & Struct;
-  readonly type: 'CreateCollection' | 'CreateCollectionEx' | 'DestroyCollection' | 'AddToAllowList' | 'RemoveFromAllowList' | 'ChangeCollectionOwner' | 'AddCollectionAdmin' | 'RemoveCollectionAdmin' | 'SetCollectionSponsor' | 'ConfirmSponsorship' | 'RemoveCollectionSponsor' | 'CreateItem' | 'CreateMultipleItems' | 'SetCollectionProperties' | 'DeleteCollectionProperties' | 'SetTokenProperties' | 'DeleteTokenProperties' | 'SetTokenPropertyPermissions' | 'CreateMultipleItemsEx' | 'SetTransfersEnabledFlag' | 'BurnItem' | 'BurnFrom' | 'Transfer' | 'Approve' | 'TransferFrom' | 'SetCollectionLimits' | 'SetCollectionPermissions' | 'Repartition' | 'SetApprovalForAll';
+  readonly type: 'CreateCollection' | 'CreateCollectionEx' | 'DestroyCollection' | 'AddToAllowList' | 'RemoveFromAllowList' | 'ChangeCollectionOwner' | 'AddCollectionAdmin' | 'RemoveCollectionAdmin' | 'SetCollectionSponsor' | 'ConfirmSponsorship' | 'RemoveCollectionSponsor' | 'CreateItem' | 'CreateMultipleItems' | 'SetCollectionProperties' | 'DeleteCollectionProperties' | 'SetTokenProperties' | 'DeleteTokenProperties' | 'SetTokenPropertyPermissions' | 'CreateMultipleItemsEx' | 'SetTransfersEnabledFlag' | 'BurnItem' | 'BurnFrom' | 'Transfer' | 'Approve' | 'TransferFrom' | 'SetCollectionLimits' | 'SetCollectionPermissions' | 'Repartition' | 'SetAllowanceForAll';
 }
 
 /** @name PalletUniqueError */
--- a/tests/src/interfaces/lookup.ts
+++ b/tests/src/interfaces/lookup.ts
@@ -2305,7 +2305,7 @@
         tokenId: 'u32',
         amount: 'u128',
       },
-      set_approval_for_all: {
+      set_allowance_for_all: {
         collectionId: 'u32',
         operator: 'PalletEvmAccountBasicCrossAccountIdRepr',
         approve: 'bool'
--- a/tests/src/interfaces/types-lookup.ts
+++ b/tests/src/interfaces/types-lookup.ts
@@ -2541,13 +2541,13 @@
       readonly tokenId: u32;
       readonly amount: u128;
     } & Struct;
-    readonly isSetApprovalForAll: boolean;
-    readonly asSetApprovalForAll: {
+    readonly isSetAllowanceForAll: boolean;
+    readonly asSetAllowanceForAll: {
       readonly collectionId: u32;
       readonly operator: PalletEvmAccountBasicCrossAccountIdRepr;
       readonly approve: bool;
     } & Struct;
-    readonly type: 'CreateCollection' | 'CreateCollectionEx' | 'DestroyCollection' | 'AddToAllowList' | 'RemoveFromAllowList' | 'ChangeCollectionOwner' | 'AddCollectionAdmin' | 'RemoveCollectionAdmin' | 'SetCollectionSponsor' | 'ConfirmSponsorship' | 'RemoveCollectionSponsor' | 'CreateItem' | 'CreateMultipleItems' | 'SetCollectionProperties' | 'DeleteCollectionProperties' | 'SetTokenProperties' | 'DeleteTokenProperties' | 'SetTokenPropertyPermissions' | 'CreateMultipleItemsEx' | 'SetTransfersEnabledFlag' | 'BurnItem' | 'BurnFrom' | 'Transfer' | 'Approve' | 'TransferFrom' | 'SetCollectionLimits' | 'SetCollectionPermissions' | 'Repartition' | 'SetApprovalForAll';
+    readonly type: 'CreateCollection' | 'CreateCollectionEx' | 'DestroyCollection' | 'AddToAllowList' | 'RemoveFromAllowList' | 'ChangeCollectionOwner' | 'AddCollectionAdmin' | 'RemoveCollectionAdmin' | 'SetCollectionSponsor' | 'ConfirmSponsorship' | 'RemoveCollectionSponsor' | 'CreateItem' | 'CreateMultipleItems' | 'SetCollectionProperties' | 'DeleteCollectionProperties' | 'SetTokenProperties' | 'DeleteTokenProperties' | 'SetTokenPropertyPermissions' | 'CreateMultipleItemsEx' | 'SetTransfersEnabledFlag' | 'BurnItem' | 'BurnFrom' | 'Transfer' | 'Approve' | 'TransferFrom' | 'SetCollectionLimits' | 'SetCollectionPermissions' | 'Repartition' | 'SetAllowanceForAll';
   }
 
   /** @name UpDataStructsCollectionMode (240) */
--- a/tests/src/interfaces/unique/definitions.ts
+++ b/tests/src/interfaces/unique/definitions.ts
@@ -175,8 +175,8 @@
       [collectionParam, tokenParam], 
       'Option<u128>',
     ),
-    isApprovedForAll: fun(
-      'Tells whether an operator is approved by a given owner.', 
+    allowanceForAll: fun(
+      'Tells whether the given `owner` approves the `operator`.', 
       [collectionParam, crossAccountParam('owner'), crossAccountParam('operator')], 
       'Option<bool>',
     ),
--- a/tests/src/util/playgrounds/unique.ts
+++ b/tests/src/util/playgrounds/unique.ts
@@ -1415,26 +1415,26 @@
   }
 
   /**
-   * Tells whether an operator is approved by a given owner.
+   * Tells whether the given `owner` approves the `operator`.
    * @param collectionId ID of collection
    * @param owner owner address
-	 * @param operator operator addrees
+   * @param operator operator addrees
    * @returns true if operator is enabled
    */
-  async isApprovedForAll(collectionId: number, owner: ICrossAccountId, operator: ICrossAccountId): Promise<boolean> {
-    return (await this.helper.callRpc('api.rpc.unique.isApprovedForAll', [collectionId, owner, operator])).toJSON();
+  async allowanceForAll(collectionId: number, owner: ICrossAccountId, operator: ICrossAccountId): Promise<boolean> {
+    return (await this.helper.callRpc('api.rpc.unique.allowanceForAll', [collectionId, owner, operator])).toJSON();
   }
 
   /** Sets or unsets the approval of a given operator.
-	 *  An operator is allowed to transfer all tokens of the sender on their behalf.
-	 *  @param operator Operator
-	 *  @param approved Is operator enabled or disabled
+   *  The `operator` is allowed to transfer all tokens of the `caller` on their behalf.
+   *  @param operator Operator
+   *  @param approved Should operator status be granted or revoked?
    *  @returns ```true``` if extrinsic success, otherwise ```false```
    */
-  async setApprovalForAll(signer: TSigner, collectionId: number, operator: ICrossAccountId, approved: boolean): Promise<boolean> {
+  async setAllowanceForAll(signer: TSigner, collectionId: number, operator: ICrossAccountId, approved: boolean): Promise<boolean> {
     const result = await this.helper.executeExtrinsic(
       signer,
-      'api.tx.unique.setApprovalForAll', [collectionId, operator, approved],
+      'api.tx.unique.setAllowanceForAll', [collectionId, operator, approved],
       true,
     );
     return this.helper.util.findCollectionInEvents(result.result.events, collectionId, 'common', 'ApprovedForAll');