diff --git a/common/primitives/core/src/teebag/types.rs b/common/primitives/core/src/teebag/types.rs
index 55190d981d..8dae4880cf 100644
--- a/common/primitives/core/src/teebag/types.rs
+++ b/common/primitives/core/src/teebag/types.rs
@@ -68,6 +68,7 @@ pub enum AttestationType {
 pub enum WorkerType {
     #[default]
     Identity,
+    BitAcross,
     OmniExecutor,
 }
 
diff --git a/parachain/Cargo.lock b/parachain/Cargo.lock
index 99ecbf01dc..570f9b7e5c 100644
--- a/parachain/Cargo.lock
+++ b/parachain/Cargo.lock
@@ -7460,6 +7460,22 @@ dependencies = [
  "sp-state-machine",
 ]
 
+[[package]]
+name = "pallet-bitacross"
+version = "0.1.0"
+dependencies = [
+ "core-primitives",
+ "frame-benchmarking",
+ "frame-support",
+ "frame-system",
+ "pallet-balances",
+ "pallet-timestamp",
+ "parity-scale-codec",
+ "scale-info",
+ "sp-io",
+ "sp-runtime",
+]
+
 [[package]]
 name = "pallet-bounties"
 version = "36.0.0"
@@ -9250,6 +9266,7 @@ dependencies = [
  "pallet-aura",
  "pallet-authorship",
  "pallet-balances",
+ "pallet-bitacross",
  "pallet-bounties",
  "pallet-bridge-transfer",
  "pallet-chain-bridge",
diff --git a/parachain/Cargo.toml b/parachain/Cargo.toml
index 5457d59786..1f7d120a9d 100644
--- a/parachain/Cargo.toml
+++ b/parachain/Cargo.toml
@@ -3,6 +3,7 @@ resolver = "2"
 members = [
     'node',
     'pallets/account-fix',
+    'pallets/bitacross',
     'pallets/bridge/assets-handler',
     'pallets/bridge/chain-bridge',
     'pallets/bridge/bridge-transfer',
@@ -167,11 +168,11 @@ sc-sysinfo = { git = "https://github.com/paritytech/polkadot-sdk", branch = "sta
 sc-telemetry = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2407" }
 sc-tracing = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2407" }
 sc-transaction-pool = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2407" }
+sc-transaction-pool-api = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2407" }
 
 substrate-prometheus-endpoint = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2407" }
 substrate-frame-rpc-system = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2407" }
 pallet-transaction-payment-rpc = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2407" }
-sc-transaction-pool-api = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2407" }
 substrate-build-script-utils = { git = "https://github.com/paritytech/polkadot-sdk", branch = "stable2407" }
 
 # wasm
@@ -273,6 +274,7 @@ paseo-parachain-runtime = { path = "runtime/paseo", default-features = false }
 pallet-account-fix = { path = "pallets/account-fix", default-features = false }
 pallet-asset-manager = { path = "pallets/xcm-asset-manager", default-features = false }
 pallet-assets-handler = { path = "pallets/bridge/assets-handler", default-features = false }
+pallet-bitacross = { path = "pallets/bitacross", default-features = false }
 pallet-chain-bridge = { path = "pallets/bridge/chain-bridge", default-features = false }
 pallet-bridge-common = { path = "pallets/bridge/common", default-features = false }
 pallet-bridge-transfer = { path = "pallets/bridge/bridge-transfer", default-features = false }
diff --git a/parachain/node/src/chain_specs/paseo.rs b/parachain/node/src/chain_specs/paseo.rs
index 06346171e2..d72874568d 100644
--- a/parachain/node/src/chain_specs/paseo.rs
+++ b/parachain/node/src/chain_specs/paseo.rs
@@ -18,7 +18,7 @@ use super::*;
 use core_primitives::PASEO_PARA_ID;
 use cumulus_primitives_core::ParaId;
 use paseo_parachain_runtime::{
-	AccountId, AuraId, Balance, BalancesConfig, CouncilMembershipConfig,
+	AccountId, AuraId, Balance, BalancesConfig, BitacrossConfig, CouncilMembershipConfig,
 	DeveloperCommitteeMembershipConfig, ParachainInfoConfig, ParachainStakingConfig,
 	PolkadotXcmConfig, RuntimeGenesisConfig, SessionConfig, SudoConfig,
 	TechnicalCommitteeMembershipConfig, TeebagConfig, TeebagOperationalMode, VCManagementConfig,
@@ -227,6 +227,7 @@ fn generate_genesis(
 			admin: Some(root_key.clone()),
 			mode: TeebagOperationalMode::Development,
 		},
+		bitacross: BitacrossConfig { admin: Some(root_key) },
 		score_staking: Default::default(),
 	};
 
diff --git a/parachain/node/src/custom_txpool.rs b/parachain/node/src/custom_txpool.rs
new file mode 100644
index 0000000000..40d51b0ac8
--- /dev/null
+++ b/parachain/node/src/custom_txpool.rs
@@ -0,0 +1,100 @@
+use futures::Future;
+use sc_transaction_pool_api::{
+	ImportNotificationStream, PoolFuture, PoolStatus, ReadyTransactions, TransactionFor,
+	TransactionPool, TransactionSource, TransactionStatusStreamFor, TxHash,
+};
+use sp_runtime::traits::{Block as BlockT, NumberFor};
+use std::{collections::HashMap, pin::Pin, sync::Arc};
+
+pub struct CustomPool<I> {
+	inner_pool: Arc<I>,
+}
+
+impl<I> CustomPool<I> {
+	pub fn new(inner_pool: Arc<I>) -> Self {
+		Self { inner_pool }
+	}
+}
+
+impl<I> TransactionPool for CustomPool<I>
+where
+	I: TransactionPool,
+{
+	type Block = I::Block;
+	type Hash = I::Hash;
+	type InPoolTransaction = I::InPoolTransaction;
+	type Error = I::Error;
+
+	fn submit_at(
+		&self,
+		at: <Self::Block as BlockT>::Hash,
+		source: TransactionSource,
+		xts: Vec<TransactionFor<Self>>,
+	) -> PoolFuture<Vec<Result<TxHash<Self>, Self::Error>>, Self::Error> {
+		self.inner_pool.submit_at(at, source, xts)
+	}
+
+	fn submit_one(
+		&self,
+		at: <Self::Block as BlockT>::Hash,
+		source: TransactionSource,
+		xt: TransactionFor<Self>,
+	) -> PoolFuture<TxHash<Self>, Self::Error> {
+		self.inner_pool.submit_one(at, source, xt)
+	}
+
+	fn submit_and_watch(
+		&self,
+		at: <Self::Block as BlockT>::Hash,
+		source: TransactionSource,
+		xt: TransactionFor<Self>,
+	) -> PoolFuture<Pin<Box<TransactionStatusStreamFor<Self>>>, Self::Error> {
+		self.inner_pool.submit_and_watch(at, source, xt)
+	}
+
+	fn remove_invalid(&self, _: &[TxHash<Self>]) -> Vec<Arc<Self::InPoolTransaction>> {
+		// Don't do anything on purpose.
+		Vec::new()
+	}
+
+	fn status(&self) -> PoolStatus {
+		self.inner_pool.status()
+	}
+
+	fn import_notification_stream(&self) -> ImportNotificationStream<TxHash<Self>> {
+		self.inner_pool.import_notification_stream()
+	}
+
+	fn hash_of(&self, xt: &TransactionFor<Self>) -> TxHash<Self> {
+		self.inner_pool.hash_of(xt)
+	}
+
+	fn on_broadcasted(&self, propagations: HashMap<TxHash<Self>, Vec<String>>) {
+		self.inner_pool.on_broadcasted(propagations)
+	}
+
+	fn ready_transaction(&self, hash: &TxHash<Self>) -> Option<Arc<Self::InPoolTransaction>> {
+		self.inner_pool.ready_transaction(hash)
+	}
+
+	fn ready_at(
+		&self,
+		at: NumberFor<Self::Block>,
+	) -> Pin<
+		Box<
+			dyn Future<
+					Output = Box<dyn ReadyTransactions<Item = Arc<Self::InPoolTransaction>> + Send>,
+				> + Send,
+		>,
+	> {
+		self.inner_pool.ready_at(at)
+	}
+
+	fn ready(&self) -> Box<dyn ReadyTransactions<Item = Arc<Self::InPoolTransaction>> + Send> {
+		self.inner_pool.ready()
+	}
+
+	fn futures(&self) -> Vec<Self::InPoolTransaction> {
+		self.inner_pool.futures()
+	}
+}
diff --git a/parachain/node/src/main.rs b/parachain/node/src/main.rs
index bfdba099d8..0bf81a5634 100644
--- a/parachain/node/src/main.rs
+++ b/parachain/node/src/main.rs
@@ -19,6 +19,7 @@
 mod chain_specs;
 mod cli;
 mod command;
+mod custom_txpool;
 mod evm_tracing_types;
 mod rpc;
 mod service;
diff --git a/parachain/node/src/service.rs b/parachain/node/src/service.rs
index 5ae8821156..d31c11bd24 100644
--- a/parachain/node/src/service.rs
+++ b/parachain/node/src/service.rs
@@ -749,11 +749,17 @@ where
 	let select_chain = maybe_select_chain
 		.expect("In `standalone` mode, `new_partial` will return some `select_chain`; qed");
 
+	// TODO: use fork-aware txpool when paritytech/polkadot-sdk#4639 is included in a stable release
+	//       presumably in stable2412
+	//       This is a workaround mentioned in https://github.com/paritytech/polkadot-sdk/issues/1202
+	let custom_txpool =
+		std::sync::Arc::new(crate::custom_txpool::CustomPool::new(transaction_pool.clone()));
+
 	if role.is_authority() {
 		let proposer_factory = sc_basic_authorship::ProposerFactory::new(
 			task_manager.spawn_handle(),
 			client.clone(),
-			transaction_pool.clone(),
+			custom_txpool,
 			None,
 			None,
 		);
@@ -1059,10 +1065,16 @@ where
 		+ cumulus_primitives_aura::AuraUnincludedSegmentApi<Block>
 		+ cumulus_primitives_core::CollectCollationInfo<Block>,
 {
+	// TODO: use fork-aware txpool when paritytech/polkadot-sdk#4639 is included in a stable release
+	//       presumably in stable2412
+	//       This is a workaround mentioned in https://github.com/paritytech/polkadot-sdk/issues/1202
+	let custom_txpool =
+		std::sync::Arc::new(crate::custom_txpool::CustomPool::new(transaction_pool.clone()));
+
 	let proposer_factory = sc_basic_authorship::ProposerFactory::with_proof_recording(
 		task_manager.spawn_handle(),
 		client.clone(),
-		transaction_pool,
+		custom_txpool,
 		prometheus_registry,
 		telemetry.clone(),
 	);
diff --git a/parachain/runtime/paseo/Cargo.toml b/parachain/runtime/paseo/Cargo.toml
index 8df201903c..2fb76e12e4 100644
--- a/parachain/runtime/paseo/Cargo.toml
+++ b/parachain/runtime/paseo/Cargo.toml
@@ -85,6 +85,7 @@ pallet-account-fix = { workspace = true }
 pallet-asset-manager = { workspace = true }
 pallet-assets = { workspace = true }
 pallet-assets-handler = { workspace = true }
+pallet-bitacross = { workspace = true }
 pallet-bridge-transfer = { workspace = true }
 pallet-chain-bridge = { workspace = true }
 pallet-evm-assertions = { workspace = true }
@@ -165,6 +166,7 @@ runtime-benchmarks = [
     "pallet-asset-manager/runtime-benchmarks",
     "pallet-assets-handler/runtime-benchmarks",
     "pallet-assets/runtime-benchmarks",
+    "pallet-bitacross/runtime-benchmarks",
     "pallet-balances/runtime-benchmarks",
     "pallet-bounties/runtime-benchmarks",
     "pallet-bridge-transfer/runtime-benchmarks",
@@ -252,6 +254,7 @@ std = [
     "pallet-aura/std",
     "pallet-authorship/std",
     "pallet-balances/std",
+    "pallet-bitacross/std",
     "pallet-bounties/std",
     "pallet-bridge-transfer/std",
     "pallet-chain-bridge/std",
@@ -358,6 +361,7 @@ try-runtime = [
     "pallet-aura/try-runtime",
     "pallet-authorship/try-runtime",
     "pallet-balances/try-runtime",
+    "pallet-bitacross/try-runtime",
     "pallet-bounties/try-runtime",
     "pallet-bridge-transfer/try-runtime",
     "pallet-chain-bridge/try-runtime",
diff --git a/parachain/runtime/paseo/src/lib.rs b/parachain/runtime/paseo/src/lib.rs
index e26a7825ab..38402cc395 100644
--- a/parachain/runtime/paseo/src/lib.rs
+++ b/parachain/runtime/paseo/src/lib.rs
@@ -233,7 +233,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	impl_name: create_runtime_str!("paseo-parachain"),
 	authoring_version: 1,
 	// same versioning-mechanism as polkadot: use last digit for minor updates
-	spec_version: 9220,
+	spec_version: 9221,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 1,
@@ -1253,6 +1253,12 @@ impl pallet_omni_account::Config for Runtime {
 	type Permission = OmniAccountPermission;
 }
 
+impl pallet_bitacross::Config for Runtime {
+	type RuntimeEvent = RuntimeEvent;
+	type TEECallOrigin = EnsureEnclaveSigner<Runtime>;
+	type SetAdminOrigin = EnsureRootOrAllCouncil;
+}
+
 impl pallet_evm_assertions::Config for Runtime {
 	type RuntimeEvent = RuntimeEvent;
 	type AssertionId = H160;
@@ -1454,6 +1460,7 @@ construct_runtime! {
 		VCManagement: pallet_vc_management = 66,
 		IMPExtrinsicWhitelist: pallet_group::<Instance1> = 67,
 		VCMPExtrinsicWhitelist: pallet_group::<Instance2> = 68,
+		Bitacross: pallet_bitacross = 70,
 		EvmAssertions: pallet_evm_assertions = 71,
 
 		// Developer council
@@ -1583,6 +1590,7 @@ impl Contains<RuntimeCall> for NormalModeFilter {
 			// AccountFix
 			RuntimeCall::AccountFix(_) |
 			RuntimeCall::AssetsHandler(_) |
+			RuntimeCall::Bitacross(_) |
 			RuntimeCall::EvmAssertions(_) |
 			RuntimeCall::ScoreStaking(_) |
 			RuntimeCall::OmniAccount(_) |
diff --git a/parachain/zombienet/config.toml b/parachain/zombienet/config.toml
index cb17da902b..a7a4209aa3 100644
--- a/parachain/zombienet/config.toml
+++ b/parachain/zombienet/config.toml
@@ -31,7 +31,6 @@ args = [
   "--force-authoring",
   "--enable-evm-rpc",
   "--state-pruning=archive",
-  "--delayed-best-block",
   "-l=parachain=debug,txpool=trace"
 ]
 ws_port = {{COLLATOR_WS_PORT}}
diff --git a/tee-worker/identity/client-api/parachain-api/CHANGELOG.md b/tee-worker/identity/client-api/parachain-api/CHANGELOG.md
index da0121f5c7..9beeb06def 100644
--- a/tee-worker/identity/client-api/parachain-api/CHANGELOG.md
+++ b/tee-worker/identity/client-api/parachain-api/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.9.21-next.0] - 2024-12-17
+
+-   Update for version [parachain-release v0.9.21-01](https://github.com/litentry/litentry-parachain/releases/tag/v0.9.21-01)
+
 ## Added
 
 -   Type definitions for the new OmniAccount Pallet under the name of `omniAccount`.
diff --git a/tee-worker/identity/client-api/parachain-api/package.json b/tee-worker/identity/client-api/parachain-api/package.json
index 113f2b4b06..d7241c376d 100644
--- a/tee-worker/identity/client-api/parachain-api/package.json
+++ b/tee-worker/identity/client-api/parachain-api/package.json
@@ -5,7 +5,7 @@
     "main": "dist/src/index.js",
     "module": "dist/src/index.js",
     "sideEffects": false,
-    "version": "0.9.20-next.10",
+    "version": "0.9.21-next.0",
     "scripts": {
         "clean": "rm -rf dist build node_modules",
         "update-metadata": "curl -s -H \"Content-Type: application/json\" -d '{\"id\":\"1\", \"jsonrpc\":\"2.0\", \"method\": \"state_getMetadata\", \"params\":[]}' http://localhost:9944 > prepare-build/litentry-parachain-metadata.json",
diff --git a/tee-worker/identity/client-api/sidechain-api/CHANGELOG.md b/tee-worker/identity/client-api/sidechain-api/CHANGELOG.md
index 07b6b90be5..c02a230d59 100644
--- a/tee-worker/identity/client-api/sidechain-api/CHANGELOG.md
+++ b/tee-worker/identity/client-api/sidechain-api/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.9.21-next.0] - 2024-12-17
+
+-   Update for version [parachain-release v0.9.21-01](https://github.com/litentry/litentry-parachain/releases/tag/v0.9.21-01)
+
 ## Added
 
 -   Type definitions for the new OmniAccount Pallet.
diff --git a/tee-worker/identity/client-api/sidechain-api/package.json b/tee-worker/identity/client-api/sidechain-api/package.json
index dfb1de4e6e..3078479c1b 100644
--- a/tee-worker/identity/client-api/sidechain-api/package.json
+++ b/tee-worker/identity/client-api/sidechain-api/package.json
@@ -5,7 +5,7 @@
     "main": "dist/src/index.js",
     "module": "dist/src/index.js",
     "sideEffects": false,
-    "version": "0.9.20-next.8",
+    "version": "0.9.21-next.0",
     "scripts": {
         "clean": "rm -rf dist build node_modules",
         "update-metadata": "../../bin/litentry-cli print-sgx-metadata-raw > prepare-build/litentry-sidechain-metadata.json",