diff --git a/src/components/common/ActivityItem.tsx b/src/components/common/ActivityItem.tsx
index 3b8e19a7..04200eef 100644
--- a/src/components/common/ActivityItem.tsx
+++ b/src/components/common/ActivityItem.tsx
@@ -9,10 +9,13 @@ import {
 	Vote,
 } from 'lucide-react';
 import { cn } from '@/lib/utils';
-import { formatRelativeTime } from '@/utils/time.utils';
+import { useRelativeTime } from '@/hooks/useRelativeTime';
 import { buildStellarExpertTxUrl, truncateTxHash } from '@/constants/stellar';
 import { env } from '@/utils/env.utils';
-import type { WalletActivityTrade, WalletActivityEventType } from '@/services/walletActivity.service';
+import type {
+	WalletActivityTrade,
+	WalletActivityEventType,
+} from '@/services/walletActivity.service';
 
 // ─── Icon + colour config per event type ──────────────────────────────────────
 
@@ -27,35 +30,54 @@ function getEventConfig(type: WalletActivityEventType): EventConfig {
 	switch (type) {
 		case 'buy':
 			return {
-				icon: <ArrowUpRight className="size-4 text-emerald-400" aria-hidden="true" />,
+				icon: (
+					<ArrowUpRight
+						className="size-4 text-emerald-400"
+						aria-hidden="true"
+					/>
+				),
 				iconBg: 'bg-emerald-500/10',
 				accentBorder: 'border-l-emerald-500',
 				label: 'Buy',
 			};
 		case 'sell':
 			return {
-				icon: <ArrowDownRight className="size-4 text-rose-400" aria-hidden="true" />,
+				icon: (
+					<ArrowDownRight
+						className="size-4 text-rose-400"
+						aria-hidden="true"
+					/>
+				),
 				iconBg: 'bg-rose-500/10',
 				accentBorder: 'border-l-rose-500',
 				label: 'Sell',
 			};
 		case 'stake':
 			return {
-				icon: <Coins className="size-4 text-amber-400" aria-hidden="true" />,
+				icon: (
+					<Coins className="size-4 text-amber-400" aria-hidden="true" />
+				),
 				iconBg: 'bg-amber-500/10',
 				accentBorder: 'border-l-amber-500',
 				label: 'Stake',
 			};
 		case 'unstake':
 			return {
-				icon: <TrendingDown className="size-4 text-orange-400" aria-hidden="true" />,
+				icon: (
+					<TrendingDown
+						className="size-4 text-orange-400"
+						aria-hidden="true"
+					/>
+				),
 				iconBg: 'bg-orange-500/10',
 				accentBorder: 'border-l-orange-500',
 				label: 'Unstake',
 			};
 		case 'claim':
 			return {
-				icon: <Gift className="size-4 text-violet-400" aria-hidden="true" />,
+				icon: (
+					<Gift className="size-4 text-violet-400" aria-hidden="true" />
+				),
 				iconBg: 'bg-violet-500/10',
 				accentBorder: 'border-l-violet-500',
 				label: 'Claim Reward',
@@ -78,12 +100,15 @@ function buildDetailParts(entry: WalletActivityTrade): string[] {
 	switch (entry.type) {
 		case 'buy':
 		case 'sell':
-			if (entry.amount != null) parts.push(`${entry.amount} key${entry.amount !== 1 ? 's' : ''}`);
-			if (entry.price != null) parts.push(`${entry.price.toFixed(4)} XLM / key`);
+			if (entry.amount != null)
+				parts.push(`${entry.amount} key${entry.amount !== 1 ? 's' : ''}`);
+			if (entry.price != null)
+				parts.push(`${entry.price.toFixed(4)} XLM / key`);
 			break;
 		case 'stake':
 		case 'unstake':
-			if (entry.amount != null) parts.push(`${entry.amount} key${entry.amount !== 1 ? 's' : ''}`);
+			if (entry.amount != null)
+				parts.push(`${entry.amount} key${entry.amount !== 1 ? 's' : ''}`);
 			break;
 		case 'claim':
 			if (entry.price != null) parts.push(`${entry.price.toFixed(4)} XLM`);
@@ -95,8 +120,8 @@ function buildDetailParts(entry: WalletActivityTrade): string[] {
 					entry.voteChoice === 'for'
 						? '✓ For'
 						: entry.voteChoice === 'against'
-						? '✗ Against'
-						: '— Abstain';
+							? '✗ Against'
+							: '— Abstain';
 				parts.push(choiceLabel);
 			}
 			break;
@@ -147,6 +172,7 @@ export interface ActivityItemProps {
 const ActivityItem: React.FC<ActivityItemProps> = ({ entry, className }) => {
 	const config = getEventConfig(entry.type);
 	const details = buildDetailParts(entry);
+	const relativeTime = useRelativeTime(entry.timestamp);
 
 	return (
 		<div
@@ -209,7 +235,7 @@ const ActivityItem: React.FC<ActivityItemProps> = ({ entry, className }) => {
 					className="text-xs text-white/50"
 					title={new Date(entry.timestamp).toLocaleString()}
 				>
-					{formatRelativeTime(entry.timestamp)}
+					{relativeTime}
 				</span>
 				<ExplorerLink txHash={entry.txHash} />
 			</div>
diff --git a/src/components/common/CreatorActivityFeed.tsx b/src/components/common/CreatorActivityFeed.tsx
index 600f34b4..6d58e067 100644
--- a/src/components/common/CreatorActivityFeed.tsx
+++ b/src/components/common/CreatorActivityFeed.tsx
@@ -1,7 +1,7 @@
 import { ArrowDownRight, ArrowUpRight, History } from 'lucide-react';
 import { useCreatorActivityFeed } from '@/hooks/useCreatorActivityFeed';
 import { creatorActivityService } from '@/services/creatorActivity.service';
-import { formatRelativeTime } from '@/utils/time.utils';
+import { useRelativeTime } from '@/hooks/useRelativeTime';
 import { formatCreatorHandle } from '@/utils/handleDisplay.utils';
 
 export interface CreatorActivityFeedProps {
@@ -10,6 +10,48 @@ export interface CreatorActivityFeedProps {
 
 const SKELETON_ROW_COUNT = 3;
 
+interface ActivityRowProps {
+	trade: ReturnType<typeof useCreatorActivityFeed>['trades'][number];
+}
+
+function ActivityRow({ trade }: ActivityRowProps) {
+	const relativeTime = useRelativeTime(trade.timestamp);
+
+	return (
+		<div
+			key={trade.id}
+			data-testid={`creator-activity-item-${trade.id}`}
+			className="flex items-center gap-4 rounded-xl border border-white/10 bg-white/[0.02] p-4"
+		>
+			<div className="flex size-10 shrink-0 items-center justify-center rounded-full bg-white/5">
+				{trade.type === 'buy' ? (
+					<ArrowUpRight className="size-4 text-emerald-400" />
+				) : (
+					<ArrowDownRight className="size-4 text-rose-400" />
+				)}
+			</div>
+			<div className="min-w-0 flex-1">
+				<div className="flex items-center gap-2">
+					<span className="font-semibold text-white">
+						{trade.type === 'buy' ? 'Buy' : 'Sell'}
+					</span>
+					<span className="text-white/40">•</span>
+					<span className="text-white/90">
+						{formatCreatorHandle(trade.traderHandle)}
+					</span>
+				</div>
+				<div className="mt-1 flex items-center gap-3 text-xs text-white/50">
+					<span>{trade.amount} keys</span>
+					<span className="text-white/30">•</span>
+					<span>{trade.price} XLM</span>
+					<span className="text-white/30">•</span>
+					<span>{relativeTime}</span>
+				</div>
+			</div>
+		</div>
+	);
+}
+
 function ActivityFeedSkeletonRows() {
 	return (
 		<div data-testid="creator-activity-feed-skeleton" className="space-y-2">
@@ -40,7 +82,9 @@ function ActivityFeedSkeletonRows() {
  *               the issue spec.
  *   settled, trades.length > 0  -> real rows.
  */
-const CreatorActivityFeed: React.FC<CreatorActivityFeedProps> = ({ creatorId }) => {
+const CreatorActivityFeed: React.FC<CreatorActivityFeedProps> = ({
+	creatorId,
+}) => {
 	const { trades, isLoading } = useCreatorActivityFeed(creatorId, id =>
 		creatorActivityService.getCreatorActivity(id)
 	);
@@ -68,37 +112,7 @@ const CreatorActivityFeed: React.FC<CreatorActivityFeedProps> = ({ creatorId })
 	return (
 		<div data-testid="creator-activity-feed" className="space-y-2">
 			{trades.map(trade => (
-				<div
-					key={trade.id}
-					data-testid={`creator-activity-item-${trade.id}`}
-					className="flex items-center gap-4 rounded-xl border border-white/10 bg-white/[0.02] p-4"
-				>
-					<div className="flex size-10 shrink-0 items-center justify-center rounded-full bg-white/5">
-						{trade.type === 'buy' ? (
-							<ArrowUpRight className="size-4 text-emerald-400" />
-						) : (
-							<ArrowDownRight className="size-4 text-rose-400" />
-						)}
-					</div>
-					<div className="min-w-0 flex-1">
-						<div className="flex items-center gap-2">
-							<span className="font-semibold text-white">
-								{trade.type === 'buy' ? 'Buy' : 'Sell'}
-							</span>
-							<span className="text-white/40">•</span>
-							<span className="text-white/90">
-								{formatCreatorHandle(trade.traderHandle)}
-							</span>
-						</div>
-						<div className="mt-1 flex items-center gap-3 text-xs text-white/50">
-							<span>{trade.amount} keys</span>
-							<span className="text-white/30">•</span>
-							<span>{trade.price} XLM</span>
-							<span className="text-white/30">•</span>
-							<span>{formatRelativeTime(trade.timestamp)}</span>
-						</div>
-					</div>
-				</div>
+				<ActivityRow key={trade.id} trade={trade} />
 			))}
 		</div>
 	);
diff --git a/src/components/home/CreatorSpotlight.tsx b/src/components/home/CreatorSpotlight.tsx
index 11362e3f..42caf93c 100644
--- a/src/components/home/CreatorSpotlight.tsx
+++ b/src/components/home/CreatorSpotlight.tsx
@@ -1,14 +1,14 @@
-import { useQuery } from '@tanstack/react-query';
 import { Users, Star, ArrowRight } from 'lucide-react';
+import { useQuery } from '@tanstack/react-query';
 import { useEffect, useRef } from 'react';
 import { Link } from 'react-router';
 import { courseService, type Course } from '@/services/course.service';
 import { queryKeys } from '@/lib/queryKeys';
-import { STROOPS_PER_XLM } from '@/constants/stellar';
 import { formatHolderCount } from '@/utils/numberFormat.utils';
 import { normalizeCreatorDisplayName } from '@/utils/creatorDisplayName.utils';
 import { cn } from '@/lib/utils';
 import CreatorInitialsAvatar from '@/components/common/CreatorInitialsAvatar';
+import { useFormatXlm } from '@/hooks/useFormatXlm';
 
 /* ------------------------------------------------------------------ */
 /*  Skeleton                                                          */
@@ -27,10 +27,17 @@ function SpotlightSkeletonCard() {
 			<span className="sr-only">Loading spotlight creator</span>
 
 			{/* Rank badge placeholder */}
-			<div className={cn('mb-3 h-6 w-16 rounded-full', skeletonBlockClass)} />
+			<div
+				className={cn('mb-3 h-6 w-16 rounded-full', skeletonBlockClass)}
+			/>
 
 			{/* Avatar */}
-			<div className={cn('mb-4 aspect-square w-full rounded-xl', skeletonBlockClass)} />
+			<div
+				className={cn(
+					'mb-4 aspect-square w-full rounded-xl',
+					skeletonBlockClass
+				)}
+			/>
 
 			{/* Name */}
 			<div className={cn('mb-2 h-5 w-3/5', skeletonBlockClass)} />
@@ -65,9 +72,10 @@ interface SpotlightCreatorCardProps {
 
 function SpotlightCreatorCard({ creator, rank }: SpotlightCreatorCardProps) {
 	const name = normalizeCreatorDisplayName(creator.title) || 'Unnamed creator';
+	const { format: formatXlm } = useFormatXlm();
 	const keyPrice =
 		creator.priceStroops != null
-			? (creator.priceStroops / STROOPS_PER_XLM).toFixed(2)
+			? formatXlm(creator.priceStroops)
 			: creator.price.toFixed(2);
 	const holderCount = creator.creatorShareSupply ?? 0;
 
@@ -112,7 +120,9 @@ function SpotlightCreatorCard({ creator, rank }: SpotlightCreatorCardProps) {
 					<span className="font-jakarta text-sm font-semibold text-gray-900">
 						{keyPrice}
 					</span>
-					<span className="font-jakarta text-[11px] text-gray-400">XLM</span>
+					<span className="font-jakarta text-[11px] text-gray-400">
+						XLM
+					</span>
 				</div>
 
 				{/* Holder count */}
@@ -143,7 +153,8 @@ export default function CreatorSpotlight() {
 
 	const { data: creators, isLoading } = useQuery({
 		queryKey: queryKeys.creators.list({ sort: 'volume_desc', limit: 3 }),
-		queryFn: () => courseService.getCourses({ sort: 'volume_desc', limit: 3 }),
+		queryFn: () =>
+			courseService.getCourses({ sort: 'volume_desc', limit: 3 }),
 	});
 
 	useEffect(() => {
diff --git a/src/components/home/TrendingCreatorCard.tsx b/src/components/home/TrendingCreatorCard.tsx
index bf3f39c0..6b1fec97 100644
--- a/src/components/home/TrendingCreatorCard.tsx
+++ b/src/components/home/TrendingCreatorCard.tsx
@@ -7,12 +7,14 @@ type Props = { creator: Course & { walletAddress: string } };
 import { formatHolderCount } from '@/utils/numberFormat.utils';
 import { cn } from '@/lib/utils';
 import { creatorCardSubtitleClampClass } from '@/utils/lineClamp.utils';
+import { useFormatXlm } from '@/hooks/useFormatXlm';
 
 export default function TrendingCreatorCard({ creator }: Props) {
 	const name = creator.title || 'Unnamed creator';
 	const avatar = makeBlockie(creator.walletAddress);
+	const { format: formatXlm } = useFormatXlm();
 	const priceXlm = creator.priceStroops
-		? (creator.priceStroops / 1e7).toFixed(2)
+		? formatXlm(creator.priceStroops)
 		: creator.price.toFixed(2);
 
 	return (