diff --git a/engine-precompiles/src/secp256k1.rs b/engine-precompiles/src/secp256k1.rs
index fa00a58d6..14b01868b 100644
--- a/engine-precompiles/src/secp256k1.rs
+++ b/engine-precompiles/src/secp256k1.rs
@@ -53,7 +53,7 @@ fn internal_impl(hash: H256, signature: &[u8]) -> Result<Address, ExitError> {
     Err(ExitError::Other(Borrowed(sdk::ECRecoverErr.as_str())))
 }
 
-pub(super) struct ECRecover;
+pub struct ECRecover;
 
 impl ECRecover {
     pub(super) const ADDRESS: Address = super::make_address(0, 1);
@@ -194,11 +194,58 @@ mod tests {
             .output;
         assert_eq!(res, expected);
 
-        // Why is this test returning an address???
-        // let input = hex::decode("47173285a8d7341e5e972fc677286384f802f8ef42a5ec5f03bbfa254cb01fad000000000000000000000000000000000000000000000000000000000000001b000000000000000000000000000000000000000000000000000000000000001bffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap();
-        // let expected: Vec<u8> = Vec::new();
-        //
-        // let res = ecrecover_raw(&input, Some(500)).unwrap().output;
-        // assert_eq!(res, expected);
+        let input = hex::decode("47173285a8d7341e5e972fc677286384f802f8ef42a5ec5f03bbfa254cb01fad000000000000000000000000000000000000000000000000000000000000001b000000000000000000000000000000000000000000000000000000000000001bffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap();
+        let expected: Vec<u8> = Vec::new();
+
+        let res = ECRecover
+            .run(&input, Some(EthGas::new(3_000)), &new_context(), false)
+            .unwrap()
+            .output;
+        assert_eq!(res, expected);
+    }
+
+    #[test]
+    fn test_ecrecover_geth_tests() {
+        let input = hex::decode("a8b53bdf3306a35a7103ab5504a0c9b492295564b6202b1942a84ef300107281000000000000000000000000000000000000000000000000000000000000001b307835653165303366353363653138623737326363623030393366663731663366353366356337356237346463623331613835616138623838393262346538621122334455667788991011121314151617181920212223242526272829303132").unwrap();
+        let expected: Vec<u8> = Vec::new();
+        let res = ECRecover
+            .run(&input, Some(EthGas::new(3_000)), &new_context(), false)
+            .unwrap()
+            .output;
+        assert_eq!(res, expected);
+
+        let input = hex::decode("18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c000000000000000000000000000000000000000000000000000000000000001c73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75feeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549").unwrap();
+        let expected =
+            hex::decode("000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b")
+                .unwrap();
+        let res = ECRecover
+            .run(&input, Some(EthGas::new(3_000)), &new_context(), false)
+            .unwrap()
+            .output;
+        assert_eq!(res, expected);
+
+        let input = hex::decode("18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c100000000000000000000000000000000000000000000000000000000000001c73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75feeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549").unwrap();
+        let expected: Vec<u8> = Vec::new();
+        let res = ECRecover
+            .run(&input, Some(EthGas::new(3_000)), &new_context(), false)
+            .unwrap()
+            .output;
+        assert_eq!(res, expected);
+
+        let input = hex::decode("18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c000000000000000000000000000000000000001000000000000000000000001c73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75feeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549").unwrap();
+        let expected: Vec<u8> = Vec::new();
+        let res = ECRecover
+            .run(&input, Some(EthGas::new(3_000)), &new_context(), false)
+            .unwrap()
+            .output;
+        assert_eq!(res, expected);
+
+        let input = hex::decode("18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c000000000000000000000000000000000000001000000000000000000000011c73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75feeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549").unwrap();
+        let expected: Vec<u8> = Vec::new();
+        let res = ECRecover
+            .run(&input, Some(EthGas::new(3_000)), &new_context(), false)
+            .unwrap()
+            .output;
+        assert_eq!(res, expected);
     }
 }
diff --git a/engine-sdk/src/lib.rs b/engine-sdk/src/lib.rs
index 4df77bcb1..97beb87e5 100644
--- a/engine-sdk/src/lib.rs
+++ b/engine-sdk/src/lib.rs
@@ -24,7 +24,7 @@ const ECRECOVER_MESSAGE_SIZE: u64 = 32;
 #[cfg(feature = "contract")]
 const ECRECOVER_SIGNATURE_LENGTH: u64 = 64;
 #[cfg(feature = "contract")]
-const ECRECOVER_MALLEABILITY_FLAG: u64 = 1;
+const ECRECOVER_MALLEABILITY_FLAG: u64 = 0;
 
 #[cfg(feature = "contract")]
 pub fn panic_utf8(bytes: &[u8]) -> ! {
diff --git a/engine-tests/src/tests/ecrecover.rs b/engine-tests/src/tests/ecrecover.rs
new file mode 100644
index 000000000..bdc4353d3
--- /dev/null
+++ b/engine-tests/src/tests/ecrecover.rs
@@ -0,0 +1,93 @@
+use super::sanity::initialize_transfer;
+use crate::prelude::Wei;
+use crate::prelude::{Address, U256};
+use crate::test_utils::{self, AuroraRunner, Signer};
+use aurora_engine_precompiles::Precompile;
+
+const ECRECOVER_ADDRESS: Address = aurora_engine_precompiles::make_address(0, 1);
+
+/// ecrecover tests taken from geth
+#[test]
+fn test_ecrecover_geth() {
+    let (mut runner, mut signer, _) = initialize_transfer();
+
+    let inputs = [
+        "a8b53bdf3306a35a7103ab5504a0c9b492295564b6202b1942a84ef300107281000000000000000000000000000000000000000000000000000000000000001b307835653165303366353363653138623737326363623030393366663731663366353366356337356237346463623331613835616138623838393262346538621122334455667788991011121314151617181920212223242526272829303132",
+        "18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c000000000000000000000000000000000000000000000000000000000000001c73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75feeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549",
+        "18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c100000000000000000000000000000000000000000000000000000000000001c73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75feeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549",
+        "18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c000000000000000000000000000000000000001000000000000000000000001c73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75feeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549",
+        "18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c000000000000000000000000000000000000001000000000000000000000011c73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75feeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549",
+    ];
+    let outputs = [
+        Vec::new(),
+        hex::decode("000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b").unwrap(),
+        Vec::new(),
+        Vec::new(),
+        Vec::new(),
+    ];
+
+    for (input, output) in inputs.iter().zip(outputs.iter()) {
+        check_wasm_ecrecover(
+            &mut runner,
+            &mut signer,
+            hex::decode(input).unwrap(),
+            output,
+        );
+    }
+}
+
+/// The ecrecover implementation in both the standalone and wasm contract should be the same.
+#[test]
+fn test_ecrecover_standalone() {
+    let (mut runner, mut signer, _) = initialize_transfer();
+
+    let hash =
+        hex::decode("5cc4cee58087de1a2ea481fe9c65c92adc27cff464b7f00a486dc9bf6bb8efb3").unwrap();
+    let sig = hex::decode("32573a0b258f251971a4ec35511c018a7e7bf75a5886534b48d12e47263048a2fe6e03543955255e235388b224704555fd036a954d3ee6dd030d9d1fea1830d71c").unwrap();
+
+    let input = construct_input(&hash, &sig);
+
+    let ctx = evm::Context {
+        address: Default::default(),
+        caller: Default::default(),
+        apparent_value: U256::zero(),
+    };
+    let standalone_result = aurora_engine_precompiles::secp256k1::ECRecover
+        .run(&input, None, &ctx, false)
+        .unwrap();
+
+    check_wasm_ecrecover(&mut runner, &mut signer, input, &standalone_result.output);
+}
+
+fn check_wasm_ecrecover(
+    runner: &mut AuroraRunner,
+    signer: &mut Signer,
+    input: Vec<u8>,
+    expected_output: &[u8],
+) {
+    let wasm_result = runner
+        .submit_with_signer(signer, |nonce| {
+            aurora_engine_transactions::legacy::TransactionLegacy {
+                nonce,
+                gas_price: U256::zero(),
+                gas_limit: u64::MAX.into(),
+                to: Some(ECRECOVER_ADDRESS),
+                value: Wei::zero(),
+                data: input,
+            }
+        })
+        .unwrap();
+    assert_eq!(
+        expected_output,
+        test_utils::unwrap_success_slice(&wasm_result),
+    );
+}
+
+fn construct_input(hash: &[u8], sig: &[u8]) -> Vec<u8> {
+    let mut buf = [0u8; 128];
+    (&mut buf[0..32]).copy_from_slice(hash);
+    buf[63] = sig[64];
+    (&mut buf[64..128]).copy_from_slice(&sig[0..64]);
+
+    buf.to_vec()
+}
diff --git a/engine-tests/src/tests/mod.rs b/engine-tests/src/tests/mod.rs
index 76e083706..f6b4dd0ed 100644
--- a/engine-tests/src/tests/mod.rs
+++ b/engine-tests/src/tests/mod.rs
@@ -1,6 +1,7 @@
 mod access_lists;
 mod account_id_precompiles;
 mod contract_call;
+mod ecrecover;
 mod eip1559;
 mod erc20;
 mod erc20_connector;
@@ -12,7 +13,7 @@ mod one_inch;
 mod prepaid_gas_precompile;
 mod random;
 mod repro;
-mod sanity;
+pub(crate) mod sanity;
 mod self_destruct_state;
 mod standalone;
 mod standard_precompiles;
diff --git a/engine-tests/src/tests/sanity.rs b/engine-tests/src/tests/sanity.rs
index a8613fbea..62b490ce1 100644
--- a/engine-tests/src/tests/sanity.rs
+++ b/engine-tests/src/tests/sanity.rs
@@ -718,7 +718,7 @@ fn test_eth_transfer_charging_gas_not_enough_balance() {
     test_utils::validate_address_balance_and_nonce(&runner, relayer, Wei::zero(), 0.into());
 }
 
-fn initialize_transfer() -> (test_utils::AuroraRunner, test_utils::Signer, Address) {
+pub(crate) fn initialize_transfer() -> (test_utils::AuroraRunner, test_utils::Signer, Address) {
     // set up Aurora runner and accounts
     let mut runner = test_utils::deploy_evm();
     let mut rng = rand::thread_rng();