diff --git a/src/components/InternalSelfDestruct.tsx b/src/components/InternalSelfDestruct.tsx
index f87233f..d3cd33a 100644
--- a/src/components/InternalSelfDestruct.tsx
+++ b/src/components/InternalSelfDestruct.tsx
@@ -1,10 +1,12 @@
-import React from "react";
+import React, { useContext } from "react";
 import { formatEther } from "@ethersproject/units";
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 import { faAngleRight } from "@fortawesome/free-solid-svg-icons/faAngleRight";
 import AddressHighlighter from "./AddressHighlighter";
 import DecoratedAddressLink from "./DecoratedAddressLink";
 import TransactionAddress from "./TransactionAddress";
+import { RuntimeContext } from "../useRuntime";
+import { useBlockDataFromTransaction } from "../useErigonHooks";
 import { useChainInfo } from "../useChainInfo";
 import { TransactionData, InternalOperation } from "../types";
 
@@ -17,12 +19,12 @@ const InternalSelfDestruct: React.FC<InternalSelfDestructProps> = ({
   txData,
   internalOp,
 }) => {
+  const { provider } = useContext(RuntimeContext);
+  const block = useBlockDataFromTransaction(provider, txData);
   const {
     nativeCurrency: { symbol },
   } = useChainInfo();
-  const toMiner =
-    txData.confirmedData?.miner !== undefined &&
-    internalOp.to === txData.confirmedData.miner;
+  const toMiner = block?.miner !== undefined && internalOp.to === block.miner;
 
   return (
     <>
diff --git a/src/components/InternalTransfer.tsx b/src/components/InternalTransfer.tsx
index 0faeb77..e1de103 100644
--- a/src/components/InternalTransfer.tsx
+++ b/src/components/InternalTransfer.tsx
@@ -8,7 +8,7 @@ import AddressHighlighter from "./AddressHighlighter";
 import DecoratedAddressLink from "./DecoratedAddressLink";
 import USDAmount from "./USDAmount";
 import { RuntimeContext } from "../useRuntime";
-import { useHasCode } from "../useErigonHooks";
+import { useBlockDataFromTransaction, useHasCode } from "../useErigonHooks";
 import { useChainInfo } from "../useChainInfo";
 import { useETHUSDOracle } from "../usePriceOracle";
 import { TransactionData, InternalOperation } from "../types";
@@ -22,17 +22,16 @@ const InternalTransfer: React.FC<InternalTransferProps> = ({
   txData,
   internalOp,
 }) => {
+  const { provider } = useContext(RuntimeContext);
+  const block = useBlockDataFromTransaction(provider, txData);
+
   const {
     nativeCurrency: { symbol, decimals },
   } = useChainInfo();
   const fromMiner =
-    txData.confirmedData?.miner !== undefined &&
-    internalOp.from === txData.confirmedData.miner;
-  const toMiner =
-    txData.confirmedData?.miner !== undefined &&
-    internalOp.to === txData.confirmedData.miner;
+    block?.miner !== undefined && internalOp.from === block.miner;
+  const toMiner = block?.miner !== undefined && internalOp.to === block.miner;
 
-  const { provider } = useContext(RuntimeContext);
   const blockETHUSDPrice = useETHUSDOracle(
     provider,
     txData.confirmedData?.blockNumber
diff --git a/src/components/TransactionAddress.tsx b/src/components/TransactionAddress.tsx
index 823bd50..6045cf5 100644
--- a/src/components/TransactionAddress.tsx
+++ b/src/components/TransactionAddress.tsx
@@ -4,7 +4,7 @@ import DecoratedAddressLink from "./DecoratedAddressLink";
 import { useSelectedTransaction } from "../useSelectedTransaction";
 import { useBlockNumberContext } from "../useBlockTagContext";
 import { RuntimeContext } from "../useRuntime";
-import { useHasCode } from "../useErigonHooks";
+import { useBlockDataFromTransaction, useHasCode } from "../useErigonHooks";
 import { AddressContext, ChecksummedAddress } from "../types";
 
 type TransactionAddressProps = {
@@ -23,6 +23,8 @@ const TransactionAddress: React.FC<TransactionAddressProps> = ({
   const creation = address === txData?.confirmedData?.createdContractAddress;
 
   const { provider } = useContext(RuntimeContext);
+  const block = useBlockDataFromTransaction(provider, txData);
+
   const blockNumber = useBlockNumberContext();
   const toHasCode = useHasCode(
     provider,
@@ -39,7 +41,7 @@ const TransactionAddress: React.FC<TransactionAddressProps> = ({
       <DecoratedAddressLink
         address={address}
         addressCtx={addressCtx}
-        miner={address === txData?.confirmedData?.miner}
+        miner={address === block?.miner}
         txFrom={address === txData?.from}
         txTo={address === txData?.to || creation}
         creation={creation}
diff --git a/src/transaction/Details.tsx b/src/transaction/Details.tsx
index e94b43e..8801e7e 100644
--- a/src/transaction/Details.tsx
+++ b/src/transaction/Details.tsx
@@ -44,6 +44,7 @@ import {
 } from "../sourcify/useSourcify";
 import { RuntimeContext } from "../useRuntime";
 import {
+  useBlockDataFromTransaction,
   useSendsToMiner,
   useTokenTransfers,
   useTransactionError,
@@ -57,10 +58,10 @@ type DetailsProps = {
 
 const Details: React.FC<DetailsProps> = ({ txData }) => {
   const { provider } = useContext(RuntimeContext);
+  const block = useBlockDataFromTransaction(provider, txData);
 
   const hasEIP1559 =
-    txData.confirmedData?.blockBaseFeePerGas !== undefined &&
-    txData.confirmedData?.blockBaseFeePerGas !== null;
+    block?.baseFeePerGas !== undefined && block?.baseFeePerGas !== null;
 
   const fourBytes =
     txData.to !== null ? extract4Bytes(txData.data) ?? "0x" : "0x";
@@ -74,7 +75,7 @@ const Details: React.FC<DetailsProps> = ({ txData }) => {
   const [sendsEthToMiner, internalOps] = useSendsToMiner(
     provider,
     txData.confirmedData ? txData.transactionHash : undefined,
-    txData.confirmedData?.miner
+    block?.miner
   );
 
   const tokenTransfers = useTokenTransfers(txData);
@@ -222,22 +223,24 @@ const Details: React.FC<DetailsProps> = ({ txData }) => {
                   confirmations={txData.confirmedData.confirmations}
                 />
               </div>
-              <div className="flex space-x-2 items-baseline pl-3">
-                <RelativePosition
-                  pos={txData.confirmedData.transactionIndex}
-                  total={txData.confirmedData.blockTransactionCount - 1}
-                />
-                <PercentagePosition
-                  perc={
-                    txData.confirmedData.transactionIndex /
-                    (txData.confirmedData.blockTransactionCount - 1)
-                  }
-                />
-              </div>
+              {block && (
+                <div className="flex space-x-2 items-baseline pl-3">
+                  <RelativePosition
+                    pos={txData.confirmedData.transactionIndex}
+                    total={block.transactionCount - 1}
+                  />
+                  <PercentagePosition
+                    perc={
+                      txData.confirmedData.transactionIndex /
+                      (block.transactionCount - 1)
+                    }
+                  />
+                </div>
+              )}
             </div>
           </InfoRow>
           <InfoRow title="Timestamp">
-            <Timestamp value={txData.confirmedData.timestamp} />
+            {block && <Timestamp value={block.timestamp} />}
           </InfoRow>
         </>
       )}
@@ -366,18 +369,10 @@ const Details: React.FC<DetailsProps> = ({ txData }) => {
           </div>
         </InfoRow>
       )}
-      {txData.confirmedData && hasEIP1559 && (
+      {block && hasEIP1559 && (
         <InfoRow title="Block Base Fee">
-          <FormattedBalance
-            value={txData.confirmedData.blockBaseFeePerGas!}
-            decimals={9}
-          />{" "}
-          Gwei (
-          <FormattedBalance
-            value={txData.confirmedData.blockBaseFeePerGas!}
-            decimals={0}
-          />{" "}
-          wei)
+          <FormattedBalance value={block.baseFeePerGas!} decimals={9} /> Gwei (
+          <FormattedBalance value={block.baseFeePerGas!} decimals={0} /> wei)
         </InfoRow>
       )}
       {txData.confirmedData && (
diff --git a/src/transaction/RewardSplit.tsx b/src/transaction/RewardSplit.tsx
index 56dd0db..520ea0e 100644
--- a/src/transaction/RewardSplit.tsx
+++ b/src/transaction/RewardSplit.tsx
@@ -1,24 +1,30 @@
-import React from "react";
+import React, { useContext } from "react";
+import { BigNumber } from "@ethersproject/bignumber";
 import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 import { faBurn } from "@fortawesome/free-solid-svg-icons/faBurn";
 import { faCoins } from "@fortawesome/free-solid-svg-icons/faCoins";
 import FormattedBalance from "../components/FormattedBalance";
 import PercentageGauge from "../components/PercentageGauge";
-import { TransactionData } from "../types";
+import { RuntimeContext } from "../useRuntime";
+import { useBlockDataFromTransaction } from "../useErigonHooks";
 import { useChainInfo } from "../useChainInfo";
+import { TransactionData } from "../types";
 
 type RewardSplitProps = {
   txData: TransactionData;
 };
 
 const RewardSplit: React.FC<RewardSplitProps> = ({ txData }) => {
+  const { provider } = useContext(RuntimeContext);
+  const block = useBlockDataFromTransaction(provider, txData);
+
   const {
     nativeCurrency: { symbol },
   } = useChainInfo();
   const paidFees = txData.gasPrice.mul(txData.confirmedData!.gasUsed);
-  const burntFees = txData.confirmedData!.blockBaseFeePerGas!.mul(
-    txData.confirmedData!.gasUsed
-  );
+  const burntFees = block
+    ? block.baseFeePerGas!.mul(txData.confirmedData!.gasUsed)
+    : BigNumber.from(0);
 
   const minerReward = paidFees.sub(burntFees);
   const burntPerc =
diff --git a/src/types.ts b/src/types.ts
index e4ed03b..1379192 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -50,11 +50,7 @@ export type ConfirmedTransactionData = {
   status: boolean;
   blockNumber: number;
   transactionIndex: number;
-  blockBaseFeePerGas?: BigNumber | undefined | null;
-  blockTransactionCount: number;
   confirmations: number;
-  timestamp: number;
-  miner: string;
   createdContractAddress?: string;
   fee: BigNumber;
   gasUsed: BigNumber;
diff --git a/src/useErigonHooks.ts b/src/useErigonHooks.ts
index e1c0815..3fee30e 100644
--- a/src/useErigonHooks.ts
+++ b/src/useErigonHooks.ts
@@ -155,12 +155,15 @@ const blockDataFetcher = async (
   return await readBlock(provider, blockNumberOrHash);
 };
 
+// TODO: some callers may use only block headers?
 export const useBlockData = (
   provider: JsonRpcProvider | undefined,
-  blockNumberOrHash: string
+  blockNumberOrHash: string | undefined
 ): ExtendedBlock | null | undefined => {
   const { data, error } = useSWRImmutable(
-    provider !== undefined ? [provider, blockNumberOrHash] : null,
+    provider !== undefined && blockNumberOrHash !== undefined
+      ? [provider, blockNumberOrHash]
+      : null,
     blockDataFetcher
   );
   if (error) {
@@ -169,6 +172,19 @@ export const useBlockData = (
   return data;
 };
 
+export const useBlockDataFromTransaction = (
+  provider: JsonRpcProvider | undefined,
+  txData: TransactionData | null | undefined
+): ExtendedBlock | null | undefined => {
+  const block = useBlockData(
+    provider,
+    txData?.confirmedData
+      ? txData.confirmedData.blockNumber.toString()
+      : undefined
+  );
+  return block;
+};
+
 export const useTxData = (
   provider: JsonRpcProvider | undefined,
   txhash: string
@@ -191,11 +207,6 @@ export const useTxData = (
           return;
         }
 
-        let _block: ExtendedBlock | null | undefined;
-        if (_response.blockNumber) {
-          _block = await readBlock(provider, _response.blockNumber.toString());
-        }
-
         document.title = `Transaction ${_response.hash} | Otterscan`;
 
         setTxData({
@@ -217,11 +228,7 @@ export const useTxData = (
                   status: _receipt.status === 1,
                   blockNumber: _receipt.blockNumber,
                   transactionIndex: _receipt.transactionIndex,
-                  blockBaseFeePerGas: _block!.baseFeePerGas,
-                  blockTransactionCount: _block!.transactionCount,
                   confirmations: _receipt.confirmations,
-                  timestamp: _block!.timestamp,
-                  miner: _block!.miner,
                   createdContractAddress: _receipt.contractAddress,
                   fee: _response.gasPrice!.mul(_receipt.gasUsed),
                   gasUsed: _receipt.gasUsed,