diff --git a/src/address/AddressTransactionResults.tsx b/src/address/AddressTransactionResults.tsx
index b13bbd2..4c85c6c 100644
--- a/src/address/AddressTransactionResults.tsx
+++ b/src/address/AddressTransactionResults.tsx
@@ -8,7 +8,11 @@ import TransactionItem from "../search/TransactionItem";
 import UndefinedPageControl from "../search/UndefinedPageControl";
 import { useFeeToggler } from "../search/useFeeToggler";
 import { SelectionContext, useSelection } from "../useSelection";
-import { useMultipleMetadata } from "../sourcify/useSourcify";
+import {
+  useDedupedAddresses,
+  useMultipleMetadata,
+} from "../sourcify/useSourcify";
+import { useAddressCodes } from "../useErigonHooks";
 import { useMultipleETHUSDOracle } from "../usePriceOracle";
 import { RuntimeContext } from "../useRuntime";
 import { pageCollector, useResolvedAddresses } from "../useResolvedAddresses";
@@ -120,9 +124,11 @@ const AddressTransactionResults: React.FC<AddressTransactionResultsProps> = ({
     return _addresses;
   }, [address, page]);
   const { sourcifySource } = useAppConfigContext();
+  const deduped = useDedupedAddresses(addresses);
+  const checked = useAddressCodes(provider, deduped);
   const metadatas = useMultipleMetadata(
     undefined,
-    addresses,
+    checked,
     provider?.network.chainId,
     sourcifySource
   );
diff --git a/src/block/BlockTransactionResults.tsx b/src/block/BlockTransactionResults.tsx
index f2d8d08..891637b 100644
--- a/src/block/BlockTransactionResults.tsx
+++ b/src/block/BlockTransactionResults.tsx
@@ -13,7 +13,11 @@ import { ChecksummedAddress, ProcessedTransaction } from "../types";
 import { PAGE_SIZE } from "../params";
 import { useMultipleETHUSDOracle } from "../usePriceOracle";
 import { useAppConfigContext } from "../useAppConfig";
-import { useMultipleMetadata } from "../sourcify/useSourcify";
+import {
+  useDedupedAddresses,
+  useMultipleMetadata,
+} from "../sourcify/useSourcify";
+import { useAddressCodes } from "../useErigonHooks";
 
 type BlockTransactionResultsProps = {
   blockTag: BlockTag;
@@ -44,9 +48,11 @@ const BlockTransactionResults: React.FC<BlockTransactionResultsProps> = ({
     return page.map((t) => t.to).filter((to): to is string => to !== undefined);
   }, [page]);
   const { sourcifySource } = useAppConfigContext();
+  const deduped = useDedupedAddresses(addresses);
+  const checked = useAddressCodes(provider, deduped);
   const metadatas = useMultipleMetadata(
     undefined,
-    addresses,
+    checked,
     provider?.network.chainId,
     sourcifySource
   );
diff --git a/src/sourcify/useSourcify.ts b/src/sourcify/useSourcify.ts
index e4d1ab1..6b1e5d6 100644
--- a/src/sourcify/useSourcify.ts
+++ b/src/sourcify/useSourcify.ts
@@ -131,51 +131,57 @@ export const useSingleMetadata = (
   return address !== undefined ? metadatas[address] : undefined;
 };
 
+export const useDedupedAddresses = (
+  addresses: (ChecksummedAddress | undefined)[]
+): ChecksummedAddress[] => {
+  return useMemo(() => {
+    const deduped = new Set(
+      addresses.filter((a): a is ChecksummedAddress => a !== undefined)
+    );
+    return [...deduped];
+  }, [addresses]);
+};
+
 export const useMultipleMetadata = (
   baseMetadatas: Record<string, Metadata | null> | undefined,
-  addresses: (ChecksummedAddress | undefined)[],
+  addresses: ChecksummedAddress[] | undefined,
   chainId: number | undefined,
   source: SourcifySource
 ): Record<ChecksummedAddress, Metadata | null | undefined> => {
   const [rawMetadata, setRawMetadata] = useState<
     Record<string, Metadata | null | undefined>
   >({});
-
   useEffect(() => {
-    if (!addresses || chainId === undefined) {
+    if (addresses === undefined || chainId === undefined) {
       return;
     }
     setRawMetadata({});
 
     const abortController = new AbortController();
-    const fetchMetadata = async (dedupedAddresses: string[]) => {
-      const promises: Promise<Metadata | null>[] = [];
-      for (const address of dedupedAddresses) {
-        promises.push(
+    const fetchMetadata = async (_addresses: string[]) => {
+      const fetchers: Promise<Metadata | null>[] = [];
+      for (const address of _addresses) {
+        fetchers.push(
           fetchSourcifyMetadata(address, chainId, source, abortController)
         );
       }
 
-      const results = await Promise.all(promises);
+      const results = await Promise.all(fetchers);
       if (abortController.signal.aborted) {
         return;
       }
-      const metadatas: Record<string, Metadata | null> = baseMetadatas
-        ? { ...baseMetadatas }
-        : {};
+      let metadatas: Record<string, Metadata | null> = {};
+      if (baseMetadatas) {
+        metadatas = { ...baseMetadatas };
+      }
       for (let i = 0; i < results.length; i++) {
-        metadatas[dedupedAddresses[i]] = results[i];
+        metadatas[_addresses[i]] = results[i];
       }
       setRawMetadata(metadatas);
     };
 
-    const deduped = new Set(
-      addresses.filter(
-        (a): a is ChecksummedAddress =>
-          a !== undefined && baseMetadatas?.[a] === undefined
-      )
-    );
-    fetchMetadata(Array.from(deduped));
+    const filtered = addresses.filter((a) => baseMetadatas?.[a] === undefined);
+    fetchMetadata(filtered);
 
     return () => {
       abortController.abort();
diff --git a/src/transaction/Details.tsx b/src/transaction/Details.tsx
index 994ab51..8799987 100644
--- a/src/transaction/Details.tsx
+++ b/src/transaction/Details.tsx
@@ -37,7 +37,13 @@ import {
   use4Bytes,
   useTransactionDescription,
 } from "../use4Bytes";
-import { DevDoc, useMultipleMetadata, UserDoc } from "../sourcify/useSourcify";
+import {
+  DevDoc,
+  useDedupedAddresses,
+  useMultipleMetadata,
+  UserDoc,
+} from "../sourcify/useSourcify";
+import { useAddressCodes } from "../useErigonHooks";
 import { ResolvedAddresses } from "../api/address-resolver";
 import { RuntimeContext } from "../useRuntime";
 import { useAppConfigContext } from "../useAppConfig";
@@ -96,9 +102,11 @@ const Details: React.FC<DetailsProps> = ({
     return _addresses;
   }, [txData]);
   const { sourcifySource } = useAppConfigContext();
+  const deduped = useDedupedAddresses(addresses);
+  const checked = useAddressCodes(provider, deduped);
   const metadatas = useMultipleMetadata(
     undefined,
-    addresses,
+    checked,
     provider?.network.chainId,
     sourcifySource
   );
diff --git a/src/transaction/Logs.tsx b/src/transaction/Logs.tsx
index 4a9cc93..d907a37 100644
--- a/src/transaction/Logs.tsx
+++ b/src/transaction/Logs.tsx
@@ -4,7 +4,12 @@ import ContentFrame from "../ContentFrame";
 import LogEntry from "./LogEntry";
 import { TransactionData } from "../types";
 import { useAppConfigContext } from "../useAppConfig";
-import { Metadata, useMultipleMetadata } from "../sourcify/useSourcify";
+import {
+  Metadata,
+  useDedupedAddresses,
+  useMultipleMetadata,
+} from "../sourcify/useSourcify";
+import { useAddressCodes } from "../useErigonHooks";
 import { ResolvedAddresses } from "../api/address-resolver";
 import { RuntimeContext } from "../useRuntime";
 
@@ -31,9 +36,11 @@ const Logs: React.FC<LogsProps> = ({ txData, metadata, resolvedAddresses }) => {
   );
   const { provider } = useContext(RuntimeContext);
   const { sourcifySource } = useAppConfigContext();
+  const deduped = useDedupedAddresses(logAddresses);
+  const checked = useAddressCodes(provider, deduped);
   const metadatas = useMultipleMetadata(
     baseMetadatas,
-    logAddresses,
+    checked,
     provider?.network.chainId,
     sourcifySource
   );
diff --git a/src/useErigonHooks.ts b/src/useErigonHooks.ts
index 17d629f..adbfce2 100644
--- a/src/useErigonHooks.ts
+++ b/src/useErigonHooks.ts
@@ -14,6 +14,7 @@ import {
   InternalOperation,
   ProcessedTransaction,
   OperationType,
+  ChecksummedAddress,
 } from "./types";
 import erc20 from "./erc20.json";
 
@@ -440,3 +441,42 @@ export const useUniqueSignatures = (traces: TraceGroup[] | undefined) => {
 
   return uniqueSignatures;
 };
+
+const checkCode = async (
+  provider: JsonRpcProvider,
+  address: ChecksummedAddress
+): Promise<boolean> => {
+  const code = await provider.getCode(address);
+  if (code !== "0x") {
+    console.log(`Has code: ${address}`);
+  }
+  return code === "0x";
+};
+
+export const useAddressCodes = (
+  provider: JsonRpcProvider | undefined,
+  addresses: ChecksummedAddress[]
+): ChecksummedAddress[] | undefined => {
+  const [hasCode, setCode] = useState<ChecksummedAddress[] | undefined>();
+
+  useEffect(() => {
+    if (provider === undefined) {
+      setCode(undefined);
+      return;
+    }
+
+    const readCodes = async () => {
+      const checkers: Promise<boolean>[] = [];
+      for (const a of addresses) {
+        checkers.push(checkCode(provider, a));
+      }
+
+      const result = await Promise.all(checkers);
+      const filtered = addresses.filter((_, i) => result[i]);
+      setCode(filtered);
+    };
+    readCodes();
+  }, [provider, addresses]);
+
+  return hasCode;
+};