diff --git a/nimbus/db/db_chain.nim b/nimbus/db/db_chain.nim
index bba3a3c6f..706a87c8c 100644
--- a/nimbus/db/db_chain.nim
+++ b/nimbus/db/db_chain.nim
@@ -107,7 +107,7 @@ proc persistTransactions*(self: BaseChainDB, blockNumber: BlockNumber, transacti
   for idx, tx in transactions:
     let
       encodedTx = rlp.encode(tx).toRange
-      txHash = keccak(encodedTx.toOpenArray)
+      txHash = keccakHash(encodedTx.toOpenArray)
       txKey: TransactionKey = (blockNumber, idx)
     trie.put(rlp.encode(idx).toRange, encodedTx)
     self.db.put(transactionHashToBlockKey(txHash).toOpenArray, rlp.encode(txKey))
@@ -127,7 +127,7 @@ iterator getBlockTransactionHashes(self: BaseChainDB, blockHeader: BlockHeader):
   ## Returns an iterable of the transaction hashes from th block specified
   ## by the given block header.
   for encodedTx in self.getBlockTransactionData(blockHeader.txRoot):
-    yield keccak(encodedTx.toOpenArray)
+    yield keccakHash(encodedTx.toOpenArray)
 
 proc getBlockBody*(self: BaseChainDB, blockHash: Hash256, output: var BlockBody): bool =
   var header: BlockHeader
@@ -247,7 +247,7 @@ proc persistUncles*(self: BaseChainDB, uncles: openarray[BlockHeader]): Hash256
   ## Persists the list of uncles to the database.
   ## Returns the uncles hash.
   let enc = rlp.encode(uncles)
-  result = keccak(enc)
+  result = keccakHash(enc)
   self.db.put(genericHashKey(result).toOpenArray, enc)
 
 #proc persistBlockToDb*(self: BaseChainDB; blk: Block): ValidationResult =
diff --git a/nimbus/db/state_db.nim b/nimbus/db/state_db.nim
index 3bf8fb110..b65da25dc 100644
--- a/nimbus/db/state_db.nim
+++ b/nimbus/db/state_db.nim
@@ -115,7 +115,7 @@ proc setStorage*(db: var AccountStateDB,
   var
     triedb = HexaryTrie(db.trie).db
     # slotHash can be obtained from accountTrie.put?
-    slotHash = keccak(slot.toByteArrayBE)
+    slotHash = keccakHash(slot.toByteArrayBE)
   triedb.put(slotHashToSlotKey(slotHash.data).toOpenArray, rlp.encode(slot))
 
   account.storageRoot = accountTrie.rootHash
@@ -165,7 +165,7 @@ proc setCode*(db: AccountStateDB, address: EthAddress, code: ByteRange) =
   # also use JournalDB to revert state trie
 
   let
-    newCodeHash = keccak code.toOpenArray
+    newCodeHash = keccakHash(code.toOpenArray)
     triedb = HexaryTrie(db.trie).db
 
   if code.len != 0:
diff --git a/nimbus/rpc/p2p.nim b/nimbus/rpc/p2p.nim
index 1795fc8a6..024fada9c 100644
--- a/nimbus/rpc/p2p.nim
+++ b/nimbus/rpc/p2p.nim
@@ -376,7 +376,7 @@ proc setupEthRpc*(node: EthereumNode, chain: BaseChainDB, rpcsrv: RpcServer) =
     for i in 0 ..< blockBody.uncles.len:
       rawData[startIdx .. startIdx + 32] = blockBody.uncles[i].hash.data
       startIdx += 32
-    result.sha3Uncles = keccak(rawData)
+    result.sha3Uncles = keccakHash(rawData)
 
     result.logsBloom = some(header.bloom)
     result.transactionsRoot = header.txRoot
diff --git a/nimbus/utils.nim b/nimbus/utils.nim
index 6ee50d693..9adc756b0 100644
--- a/nimbus/utils.nim
+++ b/nimbus/utils.nim
@@ -14,11 +14,11 @@ template calcTxRoot*(transactions: openArray[Transaction]): Hash256 =
 template calcReceiptRoot*(receipts: openArray[Receipt]): Hash256 =
   calcRootHash(receipts)
 
-func keccak*(value: openarray[byte]): Hash256 {.inline.} =
+func keccakHash*(value: openarray[byte]): Hash256 {.inline.} =
   keccak256.digest value
 
 func generateAddress*(address: EthAddress, nonce: AccountNonce): EthAddress =
-  result[0..19] = keccak(rlp.encodeList(address, nonce)).data.toOpenArray(12, 31)
+  result[0..19] = keccakHash(rlp.encodeList(address, nonce)).data.toOpenArray(12, 31)
 
 func hash*(b: BlockHeader): Hash256 {.inline.} =
   rlpHash(b)
diff --git a/premix/hunter.nim b/premix/hunter.nim
index f7b31ffca..3ae4dd778 100644
--- a/premix/hunter.nim
+++ b/premix/hunter.nim
@@ -11,7 +11,7 @@ const
 proc store(memoryDB: TrieDatabaseRef, branch: JsonNode) =
   for p in branch:
     let rlp = hexToSeqByte(p.getStr)
-    let hash = keccak(rlp)
+    let hash = keccakHash(rlp)
     memoryDB.put(hash.data, rlp)
 
 proc parseAddress(address: string): EthAddress =
diff --git a/tests/test_generalstate_json.nim b/tests/test_generalstate_json.nim
index eb30c662e..5f741c9aa 100644
--- a/tests/test_generalstate_json.nim
+++ b/tests/test_generalstate_json.nim
@@ -16,7 +16,7 @@ import
   ../nimbus/db/[db_chain, state_db]
 
 proc hashLogEntries(logs: seq[Log]): string =
-  toLowerAscii("0x" & $keccak(rlp.encode(logs)))
+  toLowerAscii("0x" & $keccakHash(rlp.encode(logs)))
 
 proc testFixture(fixtures: JsonNode, testStatusIMPL: var TestStatus)
 
diff --git a/tests/test_vm_json.nim b/tests/test_vm_json.nim
index f951f5a23..64a666c84 100644
--- a/tests/test_vm_json.nim
+++ b/tests/test_vm_json.nim
@@ -17,7 +17,7 @@ import
   ../nimbus/db/[db_chain, state_db]
 
 proc hashLogEntries(logs: seq[Log]): string =
-  toLowerAscii("0x" & $keccak(rlp.encode(logs)))
+  toLowerAscii("0x" & $keccakHash(rlp.encode(logs)))
 
 proc testFixture(fixtures: JsonNode, testStatusIMPL: var TestStatus)
 
@@ -32,7 +32,7 @@ proc testFixture(fixtures: JsonNode, testStatusIMPL: var TestStatus) =
     break
 
   let fenv = fixture["env"]
-  var emptyRlpHash = keccak(rlp.encode(""))
+  var emptyRlpHash = keccakHash(rlp.encode(""))
   let header = BlockHeader(
     coinbase: fenv{"currentCoinbase"}.getStr.parseAddress,
     difficulty: fromHex(UInt256, fenv{"currentDifficulty"}.getStr),