diff --git a/nano/core_test/node.cpp b/nano/core_test/node.cpp
index 3590485b..b4fe93bf 100644
--- a/nano/core_test/node.cpp
+++ b/nano/core_test/node.cpp
@@ -634,9 +634,14 @@ TEST (node_config, v15_v16_upgrade)
 		auto upgraded (false);
 		nano::node_config config;
 		config.logging.init (path);
-		ASSERT_FALSE (tree.get_optional_child ("allow_local_peers")); // allow_local_peers should not be present now
+		// These config options should not be present at version 15
+		ASSERT_FALSE (tree.get_optional_child ("allow_local_peers"));
+		ASSERT_FALSE (tree.get_optional_child ("signature_checker_threads"));
 		config.deserialize_json (upgraded, tree);
-		ASSERT_TRUE (!!tree.get_optional_child ("allow_local_peers")); // allow_local_peers should be added after the update
+		// The config options should be added after the upgrade
+		ASSERT_TRUE (!!tree.get_optional_child ("allow_local_peers"));
+		ASSERT_TRUE (!!tree.get_optional_child ("signature_checker_threads"));
+
 		ASSERT_TRUE (upgraded);
 		auto version (tree.get<std::string> ("version"));
 
@@ -670,18 +675,22 @@ TEST (node_config, allow_local_peers)
 	nano::node_config config;
 	config.logging.init (path);
 
-	// Check config is correct when allow_local_peers is false
+	// Check config is correct
 	tree.put ("allow_local_peers", false);
+	tree.put ("signature_checker_threads", 1);
 	config.deserialize_json (upgraded, tree);
 	ASSERT_FALSE (upgraded);
 	ASSERT_FALSE (config.allow_local_peers);
+	ASSERT_EQ (config.signature_checker_threads, 1);
 
-	// Check config is correct when allow_local_peers is true
+	// Check config is correct with other values
 	tree.put ("allow_local_peers", true);
+	tree.put ("signature_checker_threads", 4);
 	upgraded = false;
 	config.deserialize_json (upgraded, tree);
 	ASSERT_FALSE (upgraded);
 	ASSERT_TRUE (config.allow_local_peers);
+	ASSERT_EQ (config.signature_checker_threads, 4);
 }
 
 // Regression test to ensure that deserializing includes changes node via get_required_child
diff --git a/nano/core_test/signing.cpp b/nano/core_test/signing.cpp
index c86c4e4b..0d9a9e49 100644
--- a/nano/core_test/signing.cpp
+++ b/nano/core_test/signing.cpp
@@ -1,23 +1,19 @@
 #include <gtest/gtest.h>
 
-#include <future>
 #include <nano/node/node.hpp>
 
 TEST (signature_checker, empty)
 {
-	nano::signature_checker checker;
-	std::promise<void> promise;
-	nano::signature_check_set check = { 0, nullptr, nullptr, nullptr, nullptr, nullptr, &promise };
-	checker.add (check);
-	promise.get_future ().wait ();
+	nano::signature_checker checker (0);
+	nano::signature_check_set check = { 0, nullptr, nullptr, nullptr, nullptr, nullptr };
+	checker.verify (check);
 }
 
-TEST (signature_checker, many)
+TEST (signature_checker, bulk_single_thread)
 {
 	nano::keypair key;
 	nano::state_block block (key.pub, 0, key.pub, 0, 0, key.prv, key.pub, 0);
-	nano::signature_checker checker;
-	std::promise<void> promise;
+	nano::signature_checker checker (0);
 	std::vector<nano::uint256_union> hashes;
 	size_t size (1000);
 	hashes.reserve (size);
@@ -39,34 +35,114 @@ TEST (signature_checker, many)
 		pub_keys.push_back (block.hashables.account.bytes.data ());
 		signatures.push_back (block.signature.bytes.data ());
 	}
-	nano::signature_check_set check = { size, messages.data (), lengths.data (), pub_keys.data (), signatures.data (), verifications.data (), &promise };
-	checker.add (check);
-	promise.get_future ().wait ();
+	nano::signature_check_set check = { size, messages.data (), lengths.data (), pub_keys.data (), signatures.data (), verifications.data () };
+	checker.verify (check);
+	bool all_valid = std::all_of (verifications.cbegin (), verifications.cend (), [](auto verification) { return verification == 1; });
+	ASSERT_TRUE (all_valid);
+}
+
+TEST (signature_checker, many_multi_threaded)
+{
+	nano::signature_checker checker (4);
+
+	auto signature_checker_work_func = [&checker]() {
+		nano::keypair key;
+		nano::state_block block (key.pub, 0, key.pub, 0, 0, key.prv, key.pub, 0);
+		auto block_hash = block.hash ();
+
+		nano::state_block invalid_block (key.pub, 0, key.pub, 0, 0, key.prv, key.pub, 0);
+		invalid_block.signature.bytes[31] ^= 0x1;
+		auto invalid_block_hash = block.hash ();
+
+		constexpr auto num_check_sizes = 18;
+		constexpr std::array<size_t, num_check_sizes> check_sizes{ 2048, 256, 1024, 1,
+			4096, 512, 2050, 1024, 8092, 513, 17, 1024, 2047, 255, 513, 2049, 1025, 1023 };
+
+		std::vector<nano::signature_check_set> signature_checker_sets;
+		signature_checker_sets.reserve (num_check_sizes);
+
+		// Create containers so everything is kept in scope while the threads work on the signature checks
+		std::array<std::vector<unsigned char const *>, num_check_sizes> messages;
+		std::array<std::vector<size_t>, num_check_sizes> lengths;
+		std::array<std::vector<unsigned char const *>, num_check_sizes> pub_keys;
+		std::array<std::vector<unsigned char const *>, num_check_sizes> signatures;
+		std::array<std::vector<int>, num_check_sizes> verifications;
+
+		// Populate all the signature check sets. The last one in each set is given an incorrect block signature.
+		for (int i = 0; i < num_check_sizes; ++i)
+		{
+			auto check_size = check_sizes[i];
+			assert (check_size > 0);
+			auto last_signature_index = check_size - 1;
+
+			messages[i].resize (check_size);
+			std::fill (messages[i].begin (), messages[i].end (), block_hash.bytes.data ());
+			messages[i][last_signature_index] = invalid_block_hash.bytes.data ();
+
+			lengths[i].resize (check_size);
+			std::fill (lengths[i].begin (), lengths[i].end (), sizeof (decltype (block_hash)));
+
+			pub_keys[i].resize (check_size);
+			std::fill (pub_keys[i].begin (), pub_keys[i].end (), block.hashables.account.bytes.data ());
+			pub_keys[i][last_signature_index] = invalid_block.hashables.account.bytes.data ();
+
+			signatures[i].resize (check_size);
+			std::fill (signatures[i].begin (), signatures[i].end (), block.signature.bytes.data ());
+			signatures[i][last_signature_index] = invalid_block.signature.bytes.data ();
+
+			verifications[i].resize (check_size);
+
+			signature_checker_sets.emplace_back (check_size, messages[i].data (), lengths[i].data (), pub_keys[i].data (), signatures[i].data (), verifications[i].data ());
+			checker.verify (signature_checker_sets[i]);
+
+			// Confirm all but last are valid
+			auto all_valid = std::all_of (verifications[i].cbegin (), verifications[i].cend () - 1, [](auto verification) { return verification == 1; });
+			ASSERT_TRUE (all_valid);
+			ASSERT_EQ (verifications[i][last_signature_index], 0);
+		}
+	};
+
+	std::thread signature_checker_thread1 (signature_checker_work_func);
+	std::thread signature_checker_thread2 (signature_checker_work_func);
+
+	signature_checker_thread1.join ();
+	signature_checker_thread2.join ();
 }
 
 TEST (signature_checker, one)
 {
+	nano::signature_checker checker (0);
+
+	auto verify_block = [&checker](auto & block, auto result) {
+		std::vector<nano::uint256_union> hashes;
+		std::vector<unsigned char const *> messages;
+		std::vector<size_t> lengths;
+		std::vector<unsigned char const *> pub_keys;
+		std::vector<unsigned char const *> signatures;
+		std::vector<int> verifications;
+		size_t size (1);
+		verifications.resize (size);
+		for (auto i (0); i < size; ++i)
+		{
+			hashes.push_back (block.hash ());
+			messages.push_back (hashes.back ().bytes.data ());
+			lengths.push_back (sizeof (decltype (hashes)::value_type));
+			pub_keys.push_back (block.hashables.account.bytes.data ());
+			signatures.push_back (block.signature.bytes.data ());
+		}
+		nano::signature_check_set check = { size, messages.data (), lengths.data (), pub_keys.data (), signatures.data (), verifications.data () };
+		checker.verify (check);
+		ASSERT_EQ (verifications.front (), result);
+	};
+
 	nano::keypair key;
 	nano::state_block block (key.pub, 0, key.pub, 0, 0, key.prv, key.pub, 0);
-	nano::signature_checker checker;
-	std::promise<void> promise;
-	std::vector<nano::uint256_union> hashes;
-	std::vector<unsigned char const *> messages;
-	std::vector<size_t> lengths;
-	std::vector<unsigned char const *> pub_keys;
-	std::vector<unsigned char const *> signatures;
-	std::vector<int> verifications;
-	size_t size (1);
-	verifications.resize (size);
-	for (auto i (0); i < size; ++i)
-	{
-		hashes.push_back (block.hash ());
-		messages.push_back (hashes.back ().bytes.data ());
-		lengths.push_back (sizeof (decltype (hashes)::value_type));
-		pub_keys.push_back (block.hashables.account.bytes.data ());
-		signatures.push_back (block.signature.bytes.data ());
-	}
-	nano::signature_check_set check = { size, messages.data (), lengths.data (), pub_keys.data (), signatures.data (), verifications.data (), &promise };
-	checker.add (check);
-	promise.get_future ().wait ();
+
+	// Make signaure invalid and check result is incorrect
+	block.signature.bytes[31] ^= 0x1;
+	verify_block (block, 0);
+
+	// Make it valid and check for succcess
+	block.signature.bytes[31] ^= 0x1;
+	verify_block (block, 1);
 }
diff --git a/nano/node/node.cpp b/nano/node/node.cpp
index 278d6b6a..c0d2d1ed 100644
--- a/nano/node/node.cpp
+++ b/nano/node/node.cpp
@@ -1100,10 +1100,8 @@ void nano::vote_processor::verify_votes (std::deque<std::pair<std::shared_ptr<na
 		pub_keys.push_back (vote.first->account.bytes.data ());
 		signatures.push_back (vote.first->signature.bytes.data ());
 	}
-	std::promise<void> promise;
-	nano::signature_check_set check = { size, messages.data (), lengths.data (), pub_keys.data (), signatures.data (), verifications.data (), &promise };
-	node.checker.add (check);
-	promise.get_future ().wait ();
+	nano::signature_check_set check = { size, messages.data (), lengths.data (), pub_keys.data (), signatures.data (), verifications.data () };
+	node.checker.verify (check);
 	std::remove_reference_t<decltype (votes_a)> result;
 	auto i (0);
 	for (auto & vote : votes_a)
@@ -1244,15 +1242,14 @@ bool nano::rep_crawler::exists (nano::block_hash const & hash_a)
 	return active.count (hash_a) != 0;
 }
 
-nano::signature_checker::signature_checker () :
-started (false),
-stopped (false),
-thread ([this]() { run (); })
+nano::signature_checker::signature_checker (unsigned num_threads) :
+thread_pool (num_threads),
+single_threaded (num_threads == 0),
+num_threads (num_threads)
 {
-	std::unique_lock<std::mutex> lock (mutex);
-	while (!started)
+	if (!single_threaded)
 	{
-		condition.wait (lock);
+		set_thread_names (num_threads);
 	}
 }
 
@@ -1261,74 +1258,155 @@ nano::signature_checker::~signature_checker ()
 	stop ();
 }
 
-void nano::signature_checker::add (nano::signature_check_set & check_a)
+void nano::signature_checker::verify (nano::signature_check_set & check_a)
 {
 	{
-		std::lock_guard<std::mutex> lock (mutex);
-		checks.push_back (check_a);
+		// Don't process anything else if we have stopped
+		std::lock_guard<std::mutex> guard (stopped_mutex);
+		if (stopped)
+		{
+			return;
+		}
 	}
-	condition.notify_all ();
+
+	if (check_a.size < multithreaded_cutoff || single_threaded)
+	{
+		// Not dealing with many so just use the calling thread for checking signatures
+		auto result = verify_batch (check_a, 0, check_a.size);
+		release_assert (result);
+		return;
+	}
+
+	// Split up the tasks equally over the calling thread and the thread pool.
+	// Any overflow on the modulus of the batch_size is given to the calling thread, so the thread pool
+	// only ever operates on batch_size sizes.
+	size_t overflow_size = check_a.size % batch_size;
+	size_t num_full_batches = check_a.size / batch_size;
+
+	auto total_threads_to_split_over = num_threads + 1;
+	auto num_base_batches_each = num_full_batches / total_threads_to_split_over;
+	auto num_full_overflow_batches = num_full_batches % total_threads_to_split_over;
+
+	auto size_calling_thread = (num_base_batches_each * batch_size) + overflow_size;
+	auto num_full_batches_thread = (num_base_batches_each * num_threads);
+	if (num_full_overflow_batches > 0)
+	{
+		size_calling_thread += batch_size;
+		auto remaining = num_full_overflow_batches - 1;
+		num_full_batches_thread += remaining;
+	}
+
+	release_assert (check_a.size == (num_full_batches_thread * batch_size + size_calling_thread));
+
+	std::promise<void> promise;
+	std::future<void> future = promise.get_future ();
+
+	// Verify a number of signature batches over the thread pool (does not block)
+	verify_async (check_a, num_full_batches_thread, promise);
+
+	// Verify the rest on the calling thread, this operates on the signatures at the end of the check set
+	auto result = verify_batch (check_a, check_a.size - size_calling_thread, size_calling_thread);
+	release_assert (result);
+
+	// Blocks until all the work is done
+	future.wait ();
 }
 
 void nano::signature_checker::stop ()
 {
-	std::unique_lock<std::mutex> lock (mutex);
-	stopped = true;
-	lock.unlock ();
-	condition.notify_all ();
-	if (thread.joinable ())
+	std::lock_guard<std::mutex> guard (stopped_mutex);
+	if (!stopped)
 	{
-		thread.join ();
+		stopped = true;
+		thread_pool.join ();
 	}
 }
 
 void nano::signature_checker::flush ()
 {
-	std::unique_lock<std::mutex> lock (mutex);
-	while (!stopped && !checks.empty ())
-	{
-		condition.wait (lock);
-	}
+	std::lock_guard<std::mutex> guard (stopped_mutex);
+	while (!stopped && tasks_remaining != 0)
+		;
 }
 
-void nano::signature_checker::verify (nano::signature_check_set & check_a)
+bool nano::signature_checker::verify_batch (const nano::signature_check_set & check_a, size_t start_index, size_t size)
 {
-	/* Verifications is vector if signatures check results
-	 validate_message_batch returing "true" if there are at least 1 invalid signature */
-	auto code (nano::validate_message_batch (check_a.messages, check_a.message_lengths, check_a.pub_keys, check_a.signatures, check_a.size, check_a.verifications));
+	/* Returns false if there are at least 1 invalid signature */
+	auto code (nano::validate_message_batch (check_a.messages + start_index, check_a.message_lengths + start_index, check_a.pub_keys + start_index, check_a.signatures + start_index, size, check_a.verifications + start_index));
 	(void)code;
-	release_assert (std::all_of (check_a.verifications, check_a.verifications + check_a.size, [](int verification) { return verification == 0 || verification == 1; }));
-	check_a.promise->set_value ();
+
+	return std::all_of (check_a.verifications + start_index, check_a.verifications + start_index + size, [](int verification) { return verification == 0 || verification == 1; });
 }
 
-void nano::signature_checker::run ()
+/* This operates on a number of signatures of size (num_batches * batch_size) from the beginning of the check_a pointers.
+ * Caller should check the value of the promise which indicateswhen the work has been completed.
+ */
+void nano::signature_checker::verify_async (nano::signature_check_set & check_a, size_t num_batches, std::promise<void> & promise)
 {
-	nano::thread_role::set (nano::thread_role::name::signature_checking);
-	std::unique_lock<std::mutex> lock (mutex);
-	started = true;
+	auto task = std::make_shared<Task> (check_a, num_batches);
+	++tasks_remaining;
 
-	lock.unlock ();
-	condition.notify_all ();
-	lock.lock ();
-
-	while (!stopped)
+	for (size_t batch = 0; batch < num_batches; ++batch)
 	{
-		if (!checks.empty ())
-		{
-			auto check (checks.front ());
-			checks.pop_front ();
-			lock.unlock ();
-			verify (check);
-			condition.notify_all ();
-			lock.lock ();
-		}
-		else
-		{
-			condition.wait (lock);
-		}
+		auto size = batch_size;
+		auto start_index = batch * batch_size;
+
+		boost::asio::post (thread_pool, [this, task, size, start_index, &promise] {
+			auto result = this->verify_batch (task->check, start_index, size);
+			release_assert (result);
+
+			if (--task->pending == 0)
+			{
+				--tasks_remaining;
+				promise.set_value ();
+			}
+		});
 	}
 }
 
+// Set the names of all the threads in the thread pool for easier identification
+void nano::signature_checker::set_thread_names (unsigned num_threads)
+{
+	auto ready = false;
+	auto pending = num_threads;
+	std::condition_variable cv;
+	std::mutex mutex_l;
+	std::vector<std::promise<void>> promises (num_threads);
+	std::vector<std::future<void>> futures;
+	futures.reserve (num_threads);
+	std::transform (promises.begin (), promises.end (), std::back_inserter (futures), [](auto & promise) {
+		return promise.get_future ();
+	});
+
+	for (auto i = 0u; i < num_threads; ++i)
+	{
+		boost::asio::post (thread_pool, [&cv, &ready, &pending, &mutex_l, &promise = promises[i] ]() {
+			std::unique_lock<std::mutex> lk (mutex_l);
+			nano::thread_role::set (nano::thread_role::name::signature_checking);
+			if (--pending == 0)
+			{
+				// All threads have been reached
+				ready = true;
+				lk.unlock ();
+				cv.notify_all ();
+			}
+			else
+			{
+				// We need to wait until the other threads are finished
+				cv.wait (lk, [&ready]() { return ready; });
+			}
+			promise.set_value ();
+		});
+	}
+
+	// Wait until all threads have finished
+	for (auto & future : futures)
+	{
+		future.wait ();
+	}
+	assert (pending == 0);
+}
+
 nano::block_processor::block_processor (nano::node & node_a) :
 stopped (false),
 active (false),
@@ -1488,10 +1566,8 @@ void nano::block_processor::verify_state_blocks (nano::transaction const & trans
 			pub_keys.push_back (block.hashables.account.bytes.data ());
 			signatures.push_back (block.signature.bytes.data ());
 		}
-		std::promise<void> promise;
-		nano::signature_check_set check = { size, messages.data (), lengths.data (), pub_keys.data (), signatures.data (), verifications.data (), &promise };
-		node.checker.add (check);
-		promise.get_future ().wait ();
+		nano::signature_check_set check = { size, messages.data (), lengths.data (), pub_keys.data (), signatures.data (), verifications.data () };
+		node.checker.verify (check);
 		lock_a.lock ();
 		for (auto i (0); i < size; ++i)
 		{
@@ -1524,7 +1600,7 @@ void nano::block_processor::process_batch (std::unique_lock<std::mutex> & lock_a
 		auto transaction (node.store.tx_begin_read ());
 		while (!state_blocks.empty () && timer_l.before_deadline (std::chrono::seconds (2)))
 		{
-			verify_state_blocks (transaction, lock_a, 2048);
+			verify_state_blocks (transaction, lock_a, 2048 * (node.config.signature_checker_threads + 1));
 		}
 	}
 	lock_a.unlock ();
@@ -1609,7 +1685,7 @@ void nano::block_processor::process_batch (std::unique_lock<std::mutex> & lock_a
 		Because verification is long process, avoid large deque verification inside of write transaction */
 		if (blocks.empty () && !state_blocks.empty ())
 		{
-			verify_state_blocks (transaction, lock_a, 256);
+			verify_state_blocks (transaction, lock_a, 256 * (node.config.signature_checker_threads + 1));
 		}
 	}
 	lock_a.unlock ();
@@ -1783,6 +1859,7 @@ peers (network.endpoint ()),
 application_path (application_path_a),
 wallets (init_a.wallet_init, *this),
 port_mapping (*this),
+checker (config.signature_checker_threads),
 vote_processor (*this),
 warmed_up (0),
 block_processor (*this),
@@ -3672,7 +3749,7 @@ void nano::active_transactions::request_loop ()
 	while (!stopped)
 	{
 		request_confirm (lock);
-		unsigned extra_delay (std::min (roots.size (), max_broadcast_queue) * node.network.broadcast_interval_ms * 2);
+		const auto extra_delay (std::min (roots.size (), max_broadcast_queue) * node.network.broadcast_interval_ms * 2);
 		condition.wait_for (lock, std::chrono::milliseconds (request_interval_ms + extra_delay));
 	}
 }
@@ -3860,7 +3937,7 @@ nano::thread_runner::thread_runner (boost::asio::io_context & io_ctx_a, unsigned
 {
 	boost::thread::attributes attrs;
 	nano::thread_attributes::set (attrs);
-	for (auto i (0); i < service_threads_a; ++i)
+	for (auto i (0u); i < service_threads_a; ++i)
 	{
 		threads.push_back (boost::thread (attrs, [&io_ctx_a]() {
 			nano::thread_role::set (nano::thread_role::name::io);
diff --git a/nano/node/node.hpp b/nano/node/node.hpp
index 57167872..dab13a93 100644
--- a/nano/node/node.hpp
+++ b/nano/node/node.hpp
@@ -15,6 +15,7 @@
 #include <condition_variable>
 #include <queue>
 
+#include <boost/asio/thread_pool.hpp>
 #include <boost/iostreams/device/array.hpp>
 #include <boost/multi_index/hashed_index.hpp>
 #include <boost/multi_index/member.hpp>
@@ -387,36 +388,58 @@ public:
 	std::unordered_set<nano::block_hash> active;
 };
 class block_processor;
-class signature_check_set
+class signature_check_set final
 {
 public:
+	signature_check_set (size_t size, unsigned char const ** messages, size_t * message_lengths, unsigned char const ** pub_keys, unsigned char const ** signatures, int * verifications) :
+	size (size), messages (messages), message_lengths (message_lengths), pub_keys (pub_keys), signatures (signatures), verifications (verifications)
+	{
+	}
+
 	size_t size;
 	unsigned char const ** messages;
 	size_t * message_lengths;
 	unsigned char const ** pub_keys;
 	unsigned char const ** signatures;
 	int * verifications;
-	std::promise<void> * promise;
 };
-class signature_checker
+class signature_checker final
 {
 public:
-	signature_checker ();
+	signature_checker (unsigned num_threads);
 	~signature_checker ();
-	void add (signature_check_set &);
+	void verify (signature_check_set &);
 	void stop ();
 	void flush ();
 
 private:
-	void run ();
-	void verify (nano::signature_check_set & check_a);
-	std::deque<nano::signature_check_set> checks;
-	bool started;
-	bool stopped;
-	std::mutex mutex;
-	std::condition_variable condition;
-	std::thread thread;
+	struct Task final
+	{
+		Task (nano::signature_check_set & check, int pending) :
+		check (check), pending (pending)
+		{
+		}
+		~Task ()
+		{
+			release_assert (pending == 0);
+		}
+		nano::signature_check_set & check;
+		std::atomic<int> pending;
+	};
+
+	bool verify_batch (const nano::signature_check_set & check_a, size_t index, size_t size);
+	void verify_async (nano::signature_check_set & check_a, size_t num_batches, std::promise<void> & promise);
+	void set_thread_names (unsigned num_threads);
+	boost::asio::thread_pool thread_pool;
+	std::atomic<int> tasks_remaining{ 0 };
+	static constexpr size_t multithreaded_cutoff = 513; // minimum signature_check_set size eligible to be multithreaded
+	static constexpr size_t batch_size = 256;
+	const bool single_threaded;
+	unsigned num_threads;
+	std::mutex stopped_mutex;
+	bool stopped{ false };
 };
+
 class rolled_hash
 {
 public:
diff --git a/nano/node/nodeconfig.cpp b/nano/node/nodeconfig.cpp
index 719a1561..5aaa6fb3 100644
--- a/nano/node/nodeconfig.cpp
+++ b/nano/node/nodeconfig.cpp
@@ -7,6 +7,7 @@
 namespace
 {
 const char * preconfigured_peers_key = "preconfigured_peers";
+const char * signature_checker_threads_key = "signature_checker_threads";
 const char * default_beta_peer_network = "peering-beta.nano.org";
 const char * default_live_peer_network = "peering.nano.org";
 }
@@ -27,6 +28,7 @@ password_fanout (1024),
 io_threads (std::max<unsigned> (4, boost::thread::hardware_concurrency ())),
 network_threads (std::max<unsigned> (4, boost::thread::hardware_concurrency ())),
 work_threads (std::max<unsigned> (4, boost::thread::hardware_concurrency ())),
+signature_checker_threads ((boost::thread::hardware_concurrency () != 0) ? boost::thread::hardware_concurrency () - 1 : 0), /* The calling thread does checks as well so remove it from the number of threads used */
 enable_voting (false),
 bootstrap_connections (4),
 bootstrap_connections_max (64),
@@ -106,6 +108,7 @@ nano::error nano::node_config::serialize_json (nano::jsonconfig & json) const
 	json.put ("io_threads", io_threads);
 	json.put ("network_threads", network_threads);
 	json.put ("work_threads", work_threads);
+	json.put (signature_checker_threads_key, signature_checker_threads);
 	json.put ("enable_voting", enable_voting);
 	json.put ("bootstrap_connections", bootstrap_connections);
 	json.put ("bootstrap_connections_max", bootstrap_connections_max);
@@ -231,6 +234,9 @@ bool nano::node_config::upgrade_json (unsigned version_a, nano::jsonconfig & jso
 			nano::jsonconfig ipc_l;
 			ipc_config.serialize_json (ipc_l);
 			json.put_child ("ipc", ipc_l);
+
+			json.put (signature_checker_threads_key, signature_checker_threads);
+
 			upgraded = true;
 		}
 		case 16:
@@ -345,6 +351,7 @@ nano::error nano::node_config::deserialize_json (bool & upgraded_a, nano::jsonco
 		json.get<int> ("lmdb_max_dbs", lmdb_max_dbs);
 		json.get<bool> ("enable_voting", enable_voting);
 		json.get<bool> ("allow_local_peers", allow_local_peers);
+		json.get<unsigned> (signature_checker_threads_key, signature_checker_threads);
 
 		// Validate ranges
 
diff --git a/nano/node/nodeconfig.hpp b/nano/node/nodeconfig.hpp
index aabae5b3..86df90f9 100644
--- a/nano/node/nodeconfig.hpp
+++ b/nano/node/nodeconfig.hpp
@@ -36,6 +36,7 @@ public:
 	unsigned io_threads;
 	unsigned network_threads;
 	unsigned work_threads;
+	unsigned signature_checker_threads;
 	bool enable_voting;
 	unsigned bootstrap_connections;
 	unsigned bootstrap_connections_max;