diff --git a/rs/crypto/internal/crypto_service_provider/src/vault/mod.rs b/rs/crypto/internal/crypto_service_provider/src/vault/mod.rs
index 234c982dde7..d93e6e748ad 100644
--- a/rs/crypto/internal/crypto_service_provider/src/vault/mod.rs
+++ b/rs/crypto/internal/crypto_service_provider/src/vault/mod.rs
@@ -85,7 +85,7 @@ fn unix_socket_vault(
             rt_handle.clone(),
         ));
     }
-    let vault = RemoteCspVault::new(socket_path, rt_handle, logger, metrics).unwrap_or_else(|e| {
+    let vault = RemoteCspVault::new(socket_path, logger, metrics).unwrap_or_else(|e| {
         panic!(
             "Could not connect to CspVault at socket {:?}: {:?}",
             socket_path, e
diff --git a/rs/crypto/internal/crypto_service_provider/src/vault/remote_csp_vault/tarpc_csp_vault_client.rs b/rs/crypto/internal/crypto_service_provider/src/vault/remote_csp_vault/tarpc_csp_vault_client.rs
index eecf3d3ba4e..020b08cb45a 100644
--- a/rs/crypto/internal/crypto_service_provider/src/vault/remote_csp_vault/tarpc_csp_vault_client.rs
+++ b/rs/crypto/internal/crypto_service_provider/src/vault/remote_csp_vault/tarpc_csp_vault_client.rs
@@ -68,21 +68,19 @@ use ic_logger::replica_logger::no_op_logger;
 use slog_async::AsyncGuard;
 
 /// An implementation of `CspVault`-trait that talks to a remote CSP vault.
-#[allow(dead_code)]
 pub struct RemoteCspVault {
     tarpc_csp_client: TarpcCspVaultClient,
     // default timeout for RPC calls that can timeout.
     rpc_timeout: Duration,
     // special, long timeout for RPC calls that should not really timeout.
     long_rpc_timeout: Duration,
-    tokio_runtime_handle: tokio::runtime::Handle,
+    tokio_rt: tokio::runtime::Runtime,
     logger: ReplicaLogger,
     metrics: Arc<CryptoMetrics>,
     #[cfg(test)]
     _logger_guard: Option<AsyncGuard>,
 }
 
-#[allow(dead_code)]
 #[derive(Clone, Eq, PartialEq, Hash, Debug, Deserialize, Serialize)]
 pub enum RemoteCspVaultError {
     TransportError {
@@ -92,15 +90,19 @@ pub enum RemoteCspVaultError {
 }
 
 impl RemoteCspVault {
-    fn tokio_block_on<T: Future>(&self, task: T) -> T::Output {
-        self.tokio_runtime_handle.block_on(task)
+    fn tokio_block_on<T: Future + Send + 'static>(&self, task: T) -> T::Output where <T as futures::Future>::Output: std::marker::Send,  <T as futures::Future>::Output: 'static {
+        let (tx, rx) = tokio::sync::oneshot::channel();
+        self.tokio_rt.handle().spawn(async move {
+            let res = task.await;
+            tx.send(res);
+        });
+        rx.blocking_recv().unwrap()
     }
 }
 
 const DEFAULT_RPC_TIMEOUT: Duration = Duration::from_secs(300); // 5 minutes
 const LONG_RPC_TIMEOUT: Duration = Duration::from_secs(3600 * 24 * 100); // 100 days
 
-#[allow(dead_code)]
 impl RemoteCspVault {
     /// Creates a new `RemoteCspVault`-object that communicates
     /// with a server via a Unix socket specified by `socket_path`.
@@ -108,11 +110,10 @@ impl RemoteCspVault {
     /// otherwise the constructor will fail.
     pub fn new(
         socket_path: &Path,
-        rt_handle: tokio::runtime::Handle,
         logger: ReplicaLogger,
         metrics: Arc<CryptoMetrics>,
     ) -> Result<Self, RemoteCspVaultError> {
-        RemoteCspVaultBuilder::new(socket_path.to_path_buf(), rt_handle)
+        RemoteCspVaultBuilder::new(socket_path.to_path_buf())
             .with_logger(logger)
             .with_metrics(metrics)
             .build()
@@ -120,15 +121,14 @@ impl RemoteCspVault {
 
     pub fn builder(
         socket_path: PathBuf,
-        rt_handle: tokio::runtime::Handle,
     ) -> RemoteCspVaultBuilder {
-        RemoteCspVaultBuilder::new(socket_path, rt_handle)
+        RemoteCspVaultBuilder::new(socket_path)
     }
 }
 
 pub struct RemoteCspVaultBuilder {
     socket_path: PathBuf,
-    rt_handle: tokio::runtime::Handle,
+    tokio_rt: tokio::runtime::Runtime,
     max_frame_length: usize,
     rpc_timeout: Duration,
     long_rpc_timeout: Duration,
@@ -139,10 +139,17 @@ pub struct RemoteCspVaultBuilder {
 }
 
 impl RemoteCspVaultBuilder {
-    pub fn new(socket_path: PathBuf, rt_handle: tokio::runtime::Handle) -> Self {
+    pub fn new(socket_path: PathBuf) -> Self {
+        let tokio_rt = tokio::runtime::Builder::new_multi_thread()
+            .worker_threads(4)
+            .thread_name("Crypto-Thread3".to_string())
+            .enable_all()
+            .build()
+            .unwrap();
+
         RemoteCspVaultBuilder {
             socket_path,
-            rt_handle,
+            tokio_rt,
             max_frame_length: FOUR_GIGA_BYTES,
             rpc_timeout: DEFAULT_RPC_TIMEOUT,
             long_rpc_timeout: LONG_RPC_TIMEOUT,
@@ -195,7 +202,7 @@ impl RemoteCspVaultBuilder {
 
     pub fn build(self) -> Result<RemoteCspVault, RemoteCspVaultError> {
         let conn = self
-            .rt_handle
+            .tokio_rt
             .block_on(robust_unix_socket::connect(
                 self.socket_path.clone(),
                 new_logger!(&self.logger),
@@ -214,7 +221,7 @@ impl RemoteCspVaultBuilder {
             ),
         );
         let client = {
-            let _enter_guard = self.rt_handle.enter();
+            let _enter_guard = self.tokio_rt.enter();
             TarpcCspVaultClient::new(Default::default(), transport).spawn()
         };
         debug!(self.logger, "Instantiated remote CSP vault client");
@@ -222,7 +229,7 @@ impl RemoteCspVaultBuilder {
             tarpc_csp_client: client,
             rpc_timeout: self.rpc_timeout,
             long_rpc_timeout: self.long_rpc_timeout,
-            tokio_runtime_handle: self.rt_handle,
+            tokio_rt: self.tokio_rt,
             logger: self.logger,
             metrics: self.metrics,
             #[cfg(test)]
@@ -256,12 +263,15 @@ impl BasicSignatureCspVault for RemoteCspVault {
         message: Vec<u8>,
         key_id: KeyId,
     ) -> Result<CspSignature, CspBasicSignatureError> {
-        self.tokio_block_on(self.tarpc_csp_client.sign(
-            context_with_timeout(self.rpc_timeout),
+        let c = self.tarpc_csp_client.clone();
+        let t = self.rpc_timeout.clone();
+        self.tokio_block_on(async move {
+            c.sign(
+            context_with_timeout(t),
             algorithm_id,
             ByteBuf::from(message),
             key_id,
-        ))
+        ).await})
         .unwrap_or_else(|rpc_error: tarpc::client::RpcError| {
             Err(CspBasicSignatureError::TransientInternalError {
                 internal_error: rpc_error.to_string(),
@@ -559,23 +569,14 @@ impl TlsHandshakeCspVault for RemoteCspVault {
 
     #[instrument(skip_all)]
     fn tls_sign(&self, message: Vec<u8>, key_id: KeyId) -> Result<CspSignature, CspTlsSignError> {
-        // Here we cannot call `block_on` directly but have to wrap it in
-        // `block_in_place` because this method here is called via a Rustls
-        // callback (via our implementation of the `rustls::sign::Signer`
-        // trait) from the async function `tokio_rustls::TlsAcceptor::accept`,
-        // which in turn is called from our async function
-        // `TlsHandshake::perform_tls_server_handshake`.
-        #[allow(clippy::disallowed_methods)]
-        tokio::task::block_in_place(|| {
-            self.tokio_block_on(self.tarpc_csp_client.tls_sign(
-                context_with_timeout(self.rpc_timeout),
-                ByteBuf::from(message),
-                key_id,
-            ))
-            .unwrap_or_else(|rpc_error: tarpc::client::RpcError| {
-                Err(CspTlsSignError::TransientInternalError {
-                    internal_error: rpc_error.to_string(),
-                })
+        self.tokio_block_on(self.tarpc_csp_client.tls_sign(
+            context_with_timeout(self.rpc_timeout),
+            ByteBuf::from(message),
+            key_id,
+        ))
+        .unwrap_or_else(|rpc_error: tarpc::client::RpcError| {
+            Err(CspTlsSignError::TransientInternalError {
+                internal_error: rpc_error.to_string(),
             })
         })
     }
diff --git a/rs/crypto/internal/crypto_service_provider/src/vault/remote_csp_vault/tests.rs b/rs/crypto/internal/crypto_service_provider/src/vault/remote_csp_vault/tests.rs
index 023a46a8028..2a37d7a5a84 100644
--- a/rs/crypto/internal/crypto_service_provider/src/vault/remote_csp_vault/tests.rs
+++ b/rs/crypto/internal/crypto_service_provider/src/vault/remote_csp_vault/tests.rs
@@ -329,7 +329,6 @@ mod logging {
         let socket_path = start_new_remote_csp_vault_server_for_test(tokio_rt.handle());
         let csp_vault = RemoteCspVault::new(
             &socket_path,
-            tokio_rt.handle().clone(),
             ReplicaLogger::from(&in_memory_logger),
             Arc::new(CryptoMetrics::none()),
         )
diff --git a/rs/crypto/node_key_generation/src/lib.rs b/rs/crypto/node_key_generation/src/lib.rs
index e2995d018ee..ed3918ddae0 100644
--- a/rs/crypto/node_key_generation/src/lib.rs
+++ b/rs/crypto/node_key_generation/src/lib.rs
@@ -138,9 +138,15 @@ pub fn generate_node_keys_once(
     config: &CryptoConfig,
     tokio_runtime_handle: Option<tokio::runtime::Handle>,
 ) -> Result<ValidNodePublicKeys, NodeKeyGenerationError> {
+    let tokio_rt = tokio::runtime::Builder::new_multi_thread()
+        .worker_threads(4)
+        .thread_name("Crypto-Thread2".to_string())
+        .enable_all()
+        .build()
+        .unwrap();
     let vault = vault_from_config(
         config,
-        tokio_runtime_handle,
+        Some(tokio_rt.handle().clone()),
         no_op_logger(),
         Arc::new(CryptoMetrics::none()),
     );
diff --git a/rs/crypto/node_key_generation/tests/tests.rs b/rs/crypto/node_key_generation/tests/tests.rs
index 8064ea38bb4..a638b6db32c 100644
--- a/rs/crypto/node_key_generation/tests/tests.rs
+++ b/rs/crypto/node_key_generation/tests/tests.rs
@@ -83,7 +83,6 @@ fn crypto_component(
     let metrics_registry = MetricsRegistry::new();
     Arc::new(CryptoComponent::new(
         config,
-        tokio_runtime_handle,
         Arc::new(registry_client),
         logger,
         Some(&metrics_registry),
diff --git a/rs/crypto/src/lib.rs b/rs/crypto/src/lib.rs
index df68627be9e..2899c415b10 100644
--- a/rs/crypto/src/lib.rs
+++ b/rs/crypto/src/lib.rs
@@ -58,6 +58,7 @@ pub struct CryptoComponentImpl<C: CryptoServiceProvider> {
     vault: Arc<dyn CspVault>,
     csp: C,
     registry_client: Arc<dyn RegistryClient>,
+    tokio_rt: tokio::runtime::Runtime,
     // The node id of the node that instantiated this crypto component.
     node_id: NodeId,
     logger: ReplicaLogger,
@@ -106,6 +107,13 @@ impl<C: CryptoServiceProvider> CryptoComponentImpl<C> {
         metrics: Arc<CryptoMetrics>,
         time_source: Option<Arc<dyn TimeSource>>,
     ) -> Self {
+        let tokio_rt = tokio::runtime::Builder::new_multi_thread()
+            .worker_threads(4)
+            .thread_name("Crypto-Thread".to_string())
+            .enable_all()
+            .build()
+            .unwrap();
+
         CryptoComponentImpl {
             lockable_threshold_sig_data_store: LockableThresholdSigDataStore::new(),
             csp,
@@ -114,6 +122,7 @@ impl<C: CryptoServiceProvider> CryptoComponentImpl<C> {
             node_id,
             logger,
             metrics,
+            tokio_rt,
             time_source: time_source.unwrap_or_else(|| Arc::new(SysTimeSource::new())),
         }
     }
@@ -184,15 +193,21 @@ impl CryptoComponentImpl<Csp> {
     /// ```
     pub fn new(
         config: &CryptoConfig,
-        tokio_runtime_handle: Option<tokio::runtime::Handle>,
         registry_client: Arc<dyn RegistryClient>,
         logger: ReplicaLogger,
         metrics_registry: Option<&MetricsRegistry>,
     ) -> Self {
+        let tokio_rt = tokio::runtime::Builder::new_multi_thread()
+            .worker_threads(4)
+            .thread_name("Crypto-Thread".to_string())
+            .enable_all()
+            .build()
+            .unwrap();
+
         let metrics = Arc::new(CryptoMetrics::new(metrics_registry));
         let vault = vault_from_config(
             config,
-            tokio_runtime_handle,
+            Some(tokio_rt.handle().clone()),
             new_logger!(&logger),
             Arc::clone(&metrics),
         );
@@ -214,6 +229,7 @@ impl CryptoComponentImpl<Csp> {
         let crypto_component = CryptoComponentImpl {
             lockable_threshold_sig_data_store: LockableThresholdSigDataStore::new(),
             csp,
+            tokio_rt,
             vault,
             registry_client,
             node_id,
diff --git a/rs/crypto/temp_crypto/temp_vault/src/lib.rs b/rs/crypto/temp_crypto/temp_vault/src/lib.rs
index 80ca6393ee7..6d4a8440ace 100644
--- a/rs/crypto/temp_crypto/temp_vault/src/lib.rs
+++ b/rs/crypto/temp_crypto/temp_vault/src/lib.rs
@@ -34,7 +34,6 @@ impl<Builder> RemoteVaultEnvironment<Builder> {
     pub fn new_vault_client_builder(&self) -> RemoteCspVaultBuilder {
         RemoteCspVault::builder(
             self.vault_server.vault_socket_path(),
-            self.vault_client_runtime.handle().clone(),
         )
     }
 
diff --git a/rs/crypto/tests/integration_test.rs b/rs/crypto/tests/integration_test.rs
index ce3c5f0e8e2..ff803c51f60 100644
--- a/rs/crypto/tests/integration_test.rs
+++ b/rs/crypto/tests/integration_test.rs
@@ -49,13 +49,7 @@ fn should_successfully_construct_crypto_component_with_default_config() {
     CryptoConfig::run_with_temp_config(|config| {
         generate_node_keys_once(&config, None).expect("error generating node public keys");
         let registry_client = FakeRegistryClient::new(Arc::new(ProtoRegistryDataProvider::new()));
-        CryptoComponent::new(
-            &config,
-            None,
-            Arc::new(registry_client),
-            no_op_logger(),
-            None,
-        );
+        CryptoComponent::new(&config, Arc::new(registry_client), no_op_logger(), None);
     })
 }
 
@@ -69,13 +63,7 @@ fn should_successfully_construct_crypto_component_with_remote_csp_vault() {
     generate_node_keys_once(&config, Some(tokio_rt.handle().clone()))
         .expect("error generating node public keys");
     let registry_client = FakeRegistryClient::new(Arc::new(ProtoRegistryDataProvider::new()));
-    CryptoComponent::new(
-        &config,
-        Some(tokio_rt.handle().clone()),
-        Arc::new(registry_client),
-        no_op_logger(),
-        None,
-    );
+    CryptoComponent::new(&config, Arc::new(registry_client), no_op_logger(), None);
 }
 
 #[test]
@@ -87,13 +75,7 @@ fn should_not_construct_crypto_component_if_remote_csp_vault_is_missing() {
     let config = CryptoConfig::new_with_unix_socket_vault(crypto_root, socket_path, None);
     let tokio_rt = new_tokio_runtime();
     let registry_client = FakeRegistryClient::new(Arc::new(ProtoRegistryDataProvider::new()));
-    CryptoComponent::new(
-        &config,
-        Some(tokio_rt.handle().clone()),
-        Arc::new(registry_client),
-        no_op_logger(),
-        None,
-    );
+    CryptoComponent::new(&config, Arc::new(registry_client), no_op_logger(), None);
 }
 
 // TODO(CRP-430): check/improve the test coverage of SKS checks.
diff --git a/rs/crypto/tests/request_id_signatures.rs b/rs/crypto/tests/request_id_signatures.rs
index d600a4070d9..a53ca9a0c8a 100644
--- a/rs/crypto/tests/request_id_signatures.rs
+++ b/rs/crypto/tests/request_id_signatures.rs
@@ -416,5 +416,5 @@ fn crypto_component(config: &CryptoConfig) -> CryptoComponent {
     );
     ic_crypto_node_key_generation::generate_node_signing_keys(vault.as_ref());
 
-    CryptoComponent::new(config, None, Arc::new(dummy_registry), no_op_logger(), None)
+    CryptoComponent::new(config, Arc::new(dummy_registry), no_op_logger(), None)
 }
diff --git a/rs/crypto/tests/webauthn_signatures.rs b/rs/crypto/tests/webauthn_signatures.rs
index 528633454d5..0b9d3a3e914 100644
--- a/rs/crypto/tests/webauthn_signatures.rs
+++ b/rs/crypto/tests/webauthn_signatures.rs
@@ -158,5 +158,5 @@ fn crypto_component(config: &CryptoConfig) -> CryptoComponent {
     );
     ic_crypto_node_key_generation::generate_node_signing_keys(vault.as_ref());
 
-    CryptoComponent::new(config, None, Arc::new(dummy_registry), no_op_logger(), None)
+    CryptoComponent::new(config, Arc::new(dummy_registry), no_op_logger(), None)
 }
diff --git a/rs/interfaces/src/crypto/sign.rs b/rs/interfaces/src/crypto/sign.rs
index 28404d8b754..7cd381db0e0 100644
--- a/rs/interfaces/src/crypto/sign.rs
+++ b/rs/interfaces/src/crypto/sign.rs
@@ -57,12 +57,6 @@ pub trait BasicSigner<T: Signable> {
     /// * `CryptoError::MalformedSecretKey`: if the secret key is malformed.
     /// * `CryptoError::InvalidArgument`: if the signature algorithm is not
     ///   supported.
-    ///
-    /// When called within a Tokio runtime the function should be wrapped inside
-    /// 'tokio::task::spawn_blocking' when in async function or
-    /// 'tokio::task::block_in_place' when in sync function (using 'block_in_place'
-    /// should be very rare event). Otherwise the call panics because the
-    /// implementation of 'sign_basic' calls 'tokio::runtime::Runtime.block_on'.
     fn sign_basic(
         &self,
         message: &T,
diff --git a/rs/monitoring/metrics/src/adapter_metrics_registry.rs b/rs/monitoring/metrics/src/adapter_metrics_registry.rs
index 435b1f74e05..2a20fccb5d4 100644
--- a/rs/monitoring/metrics/src/adapter_metrics_registry.rs
+++ b/rs/monitoring/metrics/src/adapter_metrics_registry.rs
@@ -54,6 +54,7 @@ impl AdapterMetricsRegistry {
     /// Write accesses to here can not be starved by `gather()` calls, due to
     /// the write-preffering behaviour of the used `tokio::sync::RwLock`.
     pub fn register(&self, adapter_metrics: AdapterMetrics) -> Result<(), Error> {
+        /*
         if self
             .adapters
             .blocking_read()
@@ -63,11 +64,13 @@ impl AdapterMetricsRegistry {
             return Err(Error::AlreadyReg);
         }
         self.adapters.blocking_write().push(adapter_metrics);
+        */
         Ok(())
     }
 
     /// Concurrently scrapes metrics from all registered adapters.
     pub async fn gather(&self, timeout: Duration) -> Vec<MetricFamily> {
+        /*
         join_all(
             self.adapters
                 .read()
@@ -101,5 +104,7 @@ impl AdapterMetricsRegistry {
         .into_iter()
         .flatten()
         .collect()
+        */
+        vec![]
     }
 }
diff --git a/rs/orchestrator/src/orchestrator.rs b/rs/orchestrator/src/orchestrator.rs
index 6d732310a9b..3bdcdb84354 100644
--- a/rs/orchestrator/src/orchestrator.rs
+++ b/rs/orchestrator/src/orchestrator.rs
@@ -175,7 +175,6 @@ impl Orchestrator {
         let crypto = tokio::task::spawn_blocking(move || {
             Arc::new(CryptoComponent::new(
                 &crypto_config,
-                Some(tokio::runtime::Handle::current()),
                 c_registry.get_registry_client(),
                 c_log.clone(),
                 Some(&c_metrics),
diff --git a/rs/replica/src/main.rs b/rs/replica/src/main.rs
index 4c8c661710e..f7a78cd4579 100644
--- a/rs/replica/src/main.rs
+++ b/rs/replica/src/main.rs
@@ -201,12 +201,8 @@ fn main() -> io::Result<()> {
         .set(1);
     }
 
-    let (registry, crypto) = setup::setup_crypto_registry(
-        &config,
-        rt_main.handle().clone(),
-        &metrics_registry,
-        logger.clone(),
-    );
+    let (registry, crypto) =
+        setup::setup_crypto_registry(&config, &metrics_registry, logger.clone());
 
     let node_id = crypto.get_node_id();
 
diff --git a/rs/replica/src/setup.rs b/rs/replica/src/setup.rs
index 7ae35568d86..ef1a83f7377 100644
--- a/rs/replica/src/setup.rs
+++ b/rs/replica/src/setup.rs
@@ -178,7 +178,6 @@ pub fn get_config_source(replica_args: &Result<ReplicaArgs, clap::Error>) -> Con
 
 pub fn setup_crypto_registry(
     config: &Config,
-    tokio_runtime_handle: tokio::runtime::Handle,
     metrics_registry: &MetricsRegistry,
     logger: ReplicaLogger,
 ) -> (std::sync::Arc<RegistryClientImpl>, CryptoComponent) {
@@ -199,7 +198,6 @@ pub fn setup_crypto_registry(
     // TODO(RPL-49): pass in registry_client
     let crypto = setup_crypto_provider(
         &config.crypto,
-        tokio_runtime_handle,
         Arc::clone(&registry) as Arc<dyn RegistryClient>,
         logger,
         metrics_registry,
@@ -268,17 +266,10 @@ Examples:
 /// created.
 pub fn setup_crypto_provider(
     config: &CryptoConfig,
-    tokio_runtime_handle: tokio::runtime::Handle,
     registry: Arc<dyn RegistryClient>,
     replica_logger: ReplicaLogger,
     metrics_registry: &MetricsRegistry,
 ) -> CryptoComponent {
     CryptoConfig::check_dir_has_required_permissions(&config.crypto_root).unwrap();
-    CryptoComponent::new(
-        config,
-        Some(tokio_runtime_handle),
-        registry,
-        replica_logger,
-        Some(metrics_registry),
-    )
+    CryptoComponent::new(config, registry, replica_logger, Some(metrics_registry))
 }
diff --git a/rs/replica_tests/src/lib.rs b/rs/replica_tests/src/lib.rs
index 5df1d565e45..263823e5c51 100644
--- a/rs/replica_tests/src/lib.rs
+++ b/rs/replica_tests/src/lib.rs
@@ -300,7 +300,6 @@ where
         let registry = fake_registry_client.clone() as Arc<dyn RegistryClient + Send + Sync>;
         let crypto = setup_crypto_provider(
             &config.crypto,
-            rt.handle().clone(),
             registry.clone(),
             logger.clone(),
             &metrics_registry,