diff --git a/rpc/src/v1/impls/eth.rs b/rpc/src/v1/impls/eth.rs
index 5cd1b2966..2306f937d 100644
--- a/rpc/src/v1/impls/eth.rs
+++ b/rpc/src/v1/impls/eth.rs
@@ -103,6 +103,7 @@ impl<C, S, A, M, EM> EthClient<C, S, A, M, EM>
 					timestamp: U256::from(view.timestamp()),
 					difficulty: view.difficulty(),
 					total_difficulty: total_difficulty,
+					nonce: view.seal().get(1).map_or_else(H64::zero, |r| H64::from_slice(r)),
 					uncles: vec![],
 					transactions: {
 						if include_txs {
@@ -111,7 +112,7 @@ impl<C, S, A, M, EM> EthClient<C, S, A, M, EM>
 							BlockTransactions::Hashes(block_view.transaction_hashes())
 						}
 					},
-					extra_data: Bytes::default()
+					extra_data: Bytes::new(view.extra_data())
 				};
 				to_value(&block)
 			},
diff --git a/rpc/src/v1/types/block.rs b/rpc/src/v1/types/block.rs
index 2457efcf8..a7b75a561 100644
--- a/rpc/src/v1/types/block.rs
+++ b/rpc/src/v1/types/block.rs
@@ -63,6 +63,7 @@ pub struct Block {
 	pub difficulty: U256,
 	#[serde(rename="totalDifficulty")]
 	pub total_difficulty: U256,
+	pub nonce: H64,
 	pub uncles: Vec<U256>,
 	pub transactions: BlockTransactions
 }
@@ -78,7 +79,7 @@ mod tests {
 	fn test_serialize_block_transactions() {
 		let t = BlockTransactions::Full(vec![Transaction::default()]);
 		let serialized = serde_json::to_string(&t).unwrap();
-		assert_eq!(serialized, r#"[{"hash":"0x0000000000000000000000000000000000000000000000000000000000000000","nonce":"0x00","blockHash":null,"blockNumber":null,"transactionIndex":null,"from":"0x0000000000000000000000000000000000000000","to":null,"value":"0x00","gasPrice":"0x00","gas":"0x00","input":"0x00"}]"#);
+		assert_eq!(serialized, r#"[{"hash":"0x0000000000000000000000000000000000000000000000000000000000000000","nonce":"0x00","blockHash":null,"blockNumber":null,"transactionIndex":null,"from":"0x0000000000000000000000000000000000000000","to":null,"value":"0x00","gasPrice":"0x00","gas":"0x00","input":"0x"}]"#);
 
 		let t = BlockTransactions::Hashes(vec![H256::default()]);
 		let serialized = serde_json::to_string(&t).unwrap();
@@ -104,11 +105,12 @@ mod tests {
 			timestamp: U256::default(),
 			difficulty: U256::default(),
 			total_difficulty: U256::default(),
+			nonce: H64::default(),
 			uncles: vec![],
 			transactions: BlockTransactions::Hashes(vec![])
 		};
 
 		let serialized = serde_json::to_string(&block).unwrap();
-		assert_eq!(serialized, r#"{"hash":"0x0000000000000000000000000000000000000000000000000000000000000000","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000","sha3Uncles":"0x0000000000000000000000000000000000000000000000000000000000000000","author":"0x0000000000000000000000000000000000000000","miner":"0x0000000000000000000000000000000000000000","stateRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","receiptsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","number":"0x00","gasUsed":"0x00","gasLimit":"0x00","extraData":"0x00","logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","timestamp":"0x00","difficulty":"0x00","totalDifficulty":"0x00","uncles":[],"transactions":[]}"#);
+		assert_eq!(serialized, r#"{"hash":"0x0000000000000000000000000000000000000000000000000000000000000000","parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000","sha3Uncles":"0x0000000000000000000000000000000000000000000000000000000000000000","author":"0x0000000000000000000000000000000000000000","miner":"0x0000000000000000000000000000000000000000","stateRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","transactionsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","receiptsRoot":"0x0000000000000000000000000000000000000000000000000000000000000000","number":"0x00","gasUsed":"0x00","gasLimit":"0x00","extraData":"0x","logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","timestamp":"0x00","difficulty":"0x00","totalDifficulty":"0x00","nonce":"0x0000000000000000","uncles":[],"transactions":[]}"#);
 	}
 }
diff --git a/rpc/src/v1/types/bytes.rs b/rpc/src/v1/types/bytes.rs
index 0b14c30e8..8c47806f8 100644
--- a/rpc/src/v1/types/bytes.rs
+++ b/rpc/src/v1/types/bytes.rs
@@ -20,7 +20,7 @@ use serde::de::Visitor;
 use util::common::FromHex;
 
 /// Wrapper structure around vector of bytes.
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Default)]
 pub struct Bytes(Vec<u8>);
 
 impl Bytes {
@@ -31,13 +31,6 @@ impl Bytes {
 	pub fn to_vec(self) -> Vec<u8> { let Bytes(x) = self; x }
 }
 
-impl Default for Bytes {
-	fn default() -> Self {
-		// default serialized value is 0x00
-		Bytes(vec![0])
-	}
-}
-
 impl Serialize for Bytes {
 	fn serialize<S>(&self, serializer: &mut S) -> Result<(), S::Error>
 	where S: Serializer {
diff --git a/rpc/src/v1/types/transaction.rs b/rpc/src/v1/types/transaction.rs
index 232cf0bf3..d809d19b4 100644
--- a/rpc/src/v1/types/transaction.rs
+++ b/rpc/src/v1/types/transaction.rs
@@ -67,7 +67,7 @@ mod tests {
 	fn test_transaction_serialize() {
 		let t = Transaction::default();
 		let serialized = serde_json::to_string(&t).unwrap();
-		assert_eq!(serialized, r#"{"hash":"0x0000000000000000000000000000000000000000000000000000000000000000","nonce":"0x00","blockHash":null,"blockNumber":null,"transactionIndex":null,"from":"0x0000000000000000000000000000000000000000","to":null,"value":"0x00","gasPrice":"0x00","gas":"0x00","input":"0x00"}"#);
+		assert_eq!(serialized, r#"{"hash":"0x0000000000000000000000000000000000000000000000000000000000000000","nonce":"0x00","blockHash":null,"blockNumber":null,"transactionIndex":null,"from":"0x0000000000000000000000000000000000000000","to":null,"value":"0x00","gasPrice":"0x00","gas":"0x00","input":"0x"}"#);
 	}
 }