diff --git a/Cargo.lock b/Cargo.lock
index ac2f870..0f3f6ea 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -150,6 +150,7 @@ dependencies = [
  "alloy-genesis",
  "alloy-provider",
  "alloy-rpc-client",
+ "alloy-rpc-types",
  "alloy-serde",
  "alloy-signer",
  "alloy-transport",
@@ -178,6 +179,7 @@ dependencies = [
  "alloy-primitives",
  "alloy-rlp",
  "alloy-serde",
+ "arbitrary",
  "c-kzg",
  "serde",
 ]
@@ -224,9 +226,12 @@ dependencies = [
  "alloy-primitives",
  "alloy-sol-type-parser",
  "alloy-sol-types",
+ "arbitrary",
  "const-hex",
+ "derive_arbitrary",
  "derive_more 0.99.18",
  "itoa",
+ "proptest",
  "serde",
  "serde_json",
  "winnow 0.6.18",
@@ -241,10 +246,12 @@ dependencies = [
  "alloy-primitives",
  "alloy-rlp",
  "alloy-serde",
+ "arbitrary",
  "c-kzg",
  "derive_more 0.99.18",
  "k256",
  "once_cell",
+ "rand 0.8.5",
  "serde",
  "sha2 0.10.8",
 ]
@@ -325,16 +332,20 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ccb3ead547f4532bc8af961649942f0b9c16ee9226e26caa3f38420651cc0bf4"
 dependencies = [
  "alloy-rlp",
+ "arbitrary",
  "bytes",
  "cfg-if",
  "const-hex",
+ "derive_arbitrary",
  "derive_more 0.99.18",
+ "ethereum_ssz",
  "getrandom 0.2.15",
  "hex-literal",
  "itoa",
  "k256",
  "keccak-asm",
  "proptest",
+ "proptest-derive",
  "rand 0.8.5",
  "ruint",
  "serde",
@@ -523,6 +534,7 @@ dependencies = [
  "alloy-rlp",
  "alloy-serde",
  "alloy-sol-types",
+ "arbitrary",
  "itertools 0.13.0",
  "jsonrpsee-types",
  "serde",
@@ -576,6 +588,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e33feda6a53e6079895aed1d08dcb98a1377b000d80d16370fbbdb8155d547ef"
 dependencies = [
  "alloy-primitives",
+ "arbitrary",
  "serde",
  "serde_json",
 ]
@@ -2532,6 +2545,44 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "ethbloom"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c22d4b5885b6aa2fe5e8b9329fb8d232bf739e434e6b87347c63bdd00c120f60"
+dependencies = [
+ "crunchy",
+ "fixed-hash",
+ "impl-rlp",
+ "impl-serde",
+ "tiny-keccak",
+]
+
+[[package]]
+name = "ethereum-types"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02d215cbf040552efcbe99a38372fe80ab9d00268e20012b79fcd0f073edd8ee"
+dependencies = [
+ "ethbloom",
+ "fixed-hash",
+ "impl-rlp",
+ "impl-serde",
+ "primitive-types",
+ "uint",
+]
+
+[[package]]
+name = "ethereum_ssz"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d3627f83d8b87b432a5fad9934b4565260722a141a2c40f371f8080adec9425"
+dependencies = [
+ "ethereum-types",
+ "itertools 0.10.5",
+ "smallvec",
+]
+
 [[package]]
 name = "event-listener"
 version = "5.3.1"
@@ -2613,6 +2664,7 @@ version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "835c052cb0c08c1acf6ffd71c022172e18723949c8282f2b9f27efbc51e64534"
 dependencies = [
+ "arbitrary",
  "byteorder",
  "rand 0.8.5",
  "rustc-hex",
@@ -3482,6 +3534,24 @@ dependencies = [
  "parity-scale-codec",
 ]
 
+[[package]]
+name = "impl-rlp"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f28220f89297a075ddc7245cd538076ee98b01f2a9c23a53a4f1105d5a322808"
+dependencies = [
+ "rlp",
+]
+
+[[package]]
+name = "impl-serde"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebc88fc67028ae3db0c853baa36269d398d5f45b6982f95549ff5def78c935cd"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "impl-trait-for-tuples"
 version = "0.2.2"
@@ -5627,6 +5697,8 @@ checksum = "0b34d9fd68ae0b74a41b21c03c2f62847aa0ffea044eee893b4c140b37e244e2"
 dependencies = [
  "fixed-hash",
  "impl-codec",
+ "impl-rlp",
+ "impl-serde",
  "uint",
 ]
 
@@ -5741,6 +5813,17 @@ dependencies = [
  "unarray",
 ]
 
+[[package]]
+name = "proptest-derive"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9cf16337405ca084e9c78985114633b6827711d22b9e6ef6c6c0d665eb3f0b6e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "quanta"
 version = "0.12.3"
@@ -8584,6 +8667,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2c3cc4c2511671f327125da14133d0c5c5d137f006a1017a16f557bc85b16286"
 dependencies = [
  "alloy-rlp",
+ "arbitrary",
  "ark-ff 0.3.0",
  "ark-ff 0.4.2",
  "bytes",
@@ -10136,6 +10220,7 @@ version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "76f64bba2c53b04fcab63c01a7d7427eadc821e3bc48c34dc9ba29c501164b52"
 dependencies = [
+ "arbitrary",
  "byteorder",
  "crunchy",
  "hex",
diff --git a/Cargo.toml b/Cargo.toml
index 5e96db0..c9ea196 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -135,6 +135,7 @@ alloy = { version = "0.2", features = [
     "signers",
     "consensus",
 ] }
+alloy-primitives = { version = "0.8", features = ["serde"] }
 alloy-rlp = "0.3.4"
 
 # Tokio
diff --git a/crates/net/Cargo.toml b/crates/net/Cargo.toml
index f25b554..f2624aa 100644
--- a/crates/net/Cargo.toml
+++ b/crates/net/Cargo.toml
@@ -40,7 +40,8 @@ arbitrary = { workspace = true, optional = true }
 [dev-dependencies]
 arbtest.workspace = true
 arbitrary.workspace = true
+alloy = { workspace = true, features = ["arbitrary"] }
 
 [features]
 default = []
-arbitrary = ["dep:arbitrary"]
+arbitrary = ["dep:arbitrary", "alloy/arbitrary"]
diff --git a/crates/net/src/types/payload.rs b/crates/net/src/types/payload.rs
index 751d6fc..c5c5f77 100644
--- a/crates/net/src/types/payload.rs
+++ b/crates/net/src/types/payload.rs
@@ -15,6 +15,7 @@ type Transaction = List<u8, 1073741824>;
 
 /// Represents the Keccak256 hash of the block
 #[derive(Debug, Clone, Copy, Default, PartialEq, Eq)]
+#[cfg_attr(any(test, feature = "arbitrary"), derive(arbitrary::Arbitrary))]
 pub struct PayloadHash(B256);
 
 impl From<&[u8]> for PayloadHash {
@@ -281,4 +282,14 @@ mod tests {
         let expected = b256!("44a0e2b1aba1aae1771eddae1dcd2ad18a8cdac8891517153f03253e49d3f206");
         assert_eq!(hash.signature_message(chain_id), expected);
     }
+
+    #[test]
+    fn test_inner_payload_hash() {
+        arbtest::arbtest(|u| {
+            let inner = B256::from(u.arbitrary::<[u8; 32]>()?);
+            let hash = PayloadHash::from(inner.as_slice());
+            assert_eq!(hash.0, keccak256(inner.as_slice()));
+            Ok(())
+        });
+    }
 }