diff --git a/e2e/apps.spec.ts b/e2e/apps.spec.ts
index f8979d6..27a3320 100644
--- a/e2e/apps.spec.ts
+++ b/e2e/apps.spec.ts
@@ -64,17 +64,18 @@ test("cards and details expose only the intended external actions", async ({ pag
     ["Live App", "https://travelcanary.org/", "https://github.com/hypertrial/travelcanary"],
     [undefined, undefined, "https://github.com/hypertrial/househunter"],
     [undefined, undefined, "https://github.com/hypertrial/rockyroad"],
-    ["Archive", "https://stackingsats.org/", "https://github.com/hypertrial/stacksats"],
+    ["Archive", "https://stackingsats.org/", "https://github.com/hypertrial/stacksats", "https://bitview.space/"],
   ] as const;
   const statuses = [undefined, undefined, "Beta", "Alpha", "Alpha", "Archived"] as const;
-  for (const [index, [action, destination, source]] of expected.entries()) {
+  for (const [index, [action, destination, source, brkUrl]] of expected.entries()) {
     const card = cards.nth(index);
     const status = statuses[index];
     if (status) await expect(card.getByText(status, { exact: true })).toBeVisible();
     else await expect(card.getByText(/^(Alpha|Beta|Archived)$/)).toHaveCount(0);
     const links = card.locator('a[target="_blank"]');
-    await expect(links).toHaveCount(action ? 2 : 1);
+    await expect(links).toHaveCount((action ? 2 : 1) + (brkUrl ? 1 : 0));
     if (action) await expect(links.first()).toHaveAttribute("href", destination!);
+    if (brkUrl) await expect(links.nth(1)).toHaveAttribute("href", brkUrl);
     await expect(links.last()).toHaveAttribute("href", source);
     for (const link of await links.all()) {
       await expect(link).toHaveAttribute("rel", /noopener.*noreferrer/);
@@ -90,6 +91,7 @@ test("cards and details expose only the intended external actions", async ({ pag
 
   await page.goto("/apps/stackingsats");
   await expect(page.getByRole("link", { name: /Archive/ })).toHaveAttribute("href", "https://stackingsats.org/");
+  await expect(page.getByRole("link", { name: /Explore BRK Data/ })).toHaveAttribute("href", "https://bitview.space/");
   await expect(page.getByRole("link", { name: /Live App/ })).toHaveCount(0);
   await expect(page.getByText(/historical|archiv/i).first()).toBeVisible();
 });
diff --git a/src/components/AppActions.tsx b/src/components/AppActions.tsx
index 3190f45..031ef5a 100644
--- a/src/components/AppActions.tsx
+++ b/src/components/AppActions.tsx
@@ -6,6 +6,7 @@ export function AppActions({ app }: { app: AppEntry }) {
   const actions = [
     ...(app.liveUrl ? [{ label: appsCopy.liveAppLabel, href: app.liveUrl }] : []),
     ...(app.archiveUrl ? [{ label: appsCopy.archiveLabel, href: app.archiveUrl }] : []),
+    ...(app.brkUrl ? [{ label: appsCopy.exploreBrkLabel, href: app.brkUrl }] : []),
     { label: appsCopy.sourceCodeLabel, href: app.sourceUrl },
   ];
 
diff --git a/src/content/apps.test.ts b/src/content/apps.test.ts
index 9beb0b5..bf10d4b 100644
--- a/src/content/apps.test.ts
+++ b/src/content/apps.test.ts
@@ -3,12 +3,12 @@ import { apps, getAppBySlug } from "./apps";
 import { getActiveDatasets } from "../lib/datasets";
 
 const expectedApps = [
-  { slug: "titanskies", title: "TitanSkies", status: undefined, liveUrl: "https://www.titanskies.com/", archiveUrl: undefined, sourceUrl: "https://github.com/hypertrial/titanskies" },
-  { slug: "hyperoptions", title: "HyperOptions", status: undefined, liveUrl: undefined, archiveUrl: undefined, sourceUrl: "https://github.com/hypertrial/hyperoptions" },
-  { slug: "travelcanary", title: "TravelCanary", status: "beta", liveUrl: "https://travelcanary.org/", archiveUrl: undefined, sourceUrl: "https://github.com/hypertrial/travelcanary" },
-  { slug: "househunter", title: "HouseHunter", status: "alpha", liveUrl: undefined, archiveUrl: undefined, sourceUrl: "https://github.com/hypertrial/househunter" },
-  { slug: "rockyroad", title: "RockyRoad", status: "alpha", liveUrl: undefined, archiveUrl: undefined, sourceUrl: "https://github.com/hypertrial/rockyroad" },
-  { slug: "stackingsats", title: "StackingSats", status: "archived", liveUrl: undefined, archiveUrl: "https://stackingsats.org/", sourceUrl: "https://github.com/hypertrial/stacksats" },
+  { slug: "titanskies", title: "TitanSkies", status: undefined, liveUrl: "https://www.titanskies.com/", archiveUrl: undefined, brkUrl: undefined, sourceUrl: "https://github.com/hypertrial/titanskies" },
+  { slug: "hyperoptions", title: "HyperOptions", status: undefined, liveUrl: undefined, archiveUrl: undefined, brkUrl: undefined, sourceUrl: "https://github.com/hypertrial/hyperoptions" },
+  { slug: "travelcanary", title: "TravelCanary", status: "beta", liveUrl: "https://travelcanary.org/", archiveUrl: undefined, brkUrl: undefined, sourceUrl: "https://github.com/hypertrial/travelcanary" },
+  { slug: "househunter", title: "HouseHunter", status: "alpha", liveUrl: undefined, archiveUrl: undefined, brkUrl: undefined, sourceUrl: "https://github.com/hypertrial/househunter" },
+  { slug: "rockyroad", title: "RockyRoad", status: "alpha", liveUrl: undefined, archiveUrl: undefined, brkUrl: undefined, sourceUrl: "https://github.com/hypertrial/rockyroad" },
+  { slug: "stackingsats", title: "StackingSats", status: "archived", liveUrl: undefined, archiveUrl: "https://stackingsats.org/", brkUrl: "https://bitview.space/", sourceUrl: "https://github.com/hypertrial/stacksats" },
 ] as const;
 
 function expectHttps(raw: string) {
@@ -21,8 +21,8 @@ function expectHttps(raw: string) {
 
 describe("reviewed app catalog", () => {
   it("has exactly the six intended routes, availability states, and outbound destinations", () => {
-    expect(apps.map(({ slug, title, status, liveUrl, archiveUrl, sourceUrl }) => ({
-      slug, title, status, liveUrl, archiveUrl, sourceUrl,
+    expect(apps.map(({ slug, title, status, liveUrl, archiveUrl, brkUrl, sourceUrl }) => ({
+      slug, title, status, liveUrl, archiveUrl, brkUrl, sourceUrl,
     }))).toEqual(expectedApps);
     expect(new Set(apps.map(({ slug }) => slug)).size).toBe(6);
     expect(getAppBySlug("")).toBeUndefined();
@@ -45,7 +45,7 @@ describe("reviewed app catalog", () => {
       const today = new Date();
       const todayUtc = Date.UTC(today.getUTCFullYear(), today.getUTCMonth(), today.getUTCDate());
       expect(todayUtc - reviewDate.getTime(), `${app.slug}: source map is older than 90 days`).toBeLessThanOrEqual(90 * 24 * 60 * 60 * 1000);
-      for (const url of [app.sourceUrl, app.sourceEvidenceUrl, app.liveUrl, app.archiveUrl]) {
+      for (const url of [app.sourceUrl, app.sourceEvidenceUrl, app.liveUrl, app.archiveUrl, app.brkUrl]) {
         if (url) expectHttps(url);
       }
       expect(app.sourceEvidenceUrl, app.slug).toContain(app.sourceRevision);
diff --git a/src/content/apps.ts b/src/content/apps.ts
index cc8c03f..0e1fb80 100644
--- a/src/content/apps.ts
+++ b/src/content/apps.ts
@@ -23,6 +23,7 @@ export type AppEntry = {
   status?: "alpha" | "beta" | "archived";
   liveUrl?: string;
   archiveUrl?: string;
+  brkUrl?: string;
   sourceUrl: string;
   sourceRevision: string;
   sourceEvidenceUrl: string;
diff --git a/src/content/apps/other.ts b/src/content/apps/other.ts
index d97be87..d748782 100644
--- a/src/content/apps/other.ts
+++ b/src/content/apps/other.ts
@@ -399,11 +399,12 @@ export const otherApps = [
     summary: "Archived Bitcoin accumulation research site and Python library for testing fixed-budget allocation strategies.",
     status: "archived",
     archiveUrl: "https://stackingsats.org/",
+    brkUrl: "https://bitview.space/",
     sourceUrl: "https://github.com/hypertrial/stacksats",
     sourceRevision: "9ba73643c4478ddd92650557a90e91e64674f587",
     sourceEvidenceUrl: "https://github.com/hypertrial/stacksats/blob/9ba73643c4478ddd92650557a90e91e64674f587/docs/data-source.md",
     reviewedAt: "2026-09-28",
-    sourceIntro: "The archived website is informational. The historical StackSats library uses a manually fetched, hash-verified BRK parquet and can optionally call market-price helpers. Backtests never imply that the archived site serves a live feed.",
+    sourceIntro: "The archived website is informational. The historical StackSats library uses a manually fetched, hash-verified BRK parquet and can optionally call market-price helpers. Bitview is BRK's separate hosted explorer; it does not feed the archived site or library.",
     sources: [
       {
         name: "Bitcoin Research Kit merged metrics",
@@ -411,7 +412,10 @@ export const otherApps = [
         role: "Canonical long-format Bitcoin metrics projected into a local wide parquet for strategy research and backtests.",
         availability: "Pinned 2026-03-15 Google Drive artifact; explicit fetch verifies 1.16 GB size and SHA-256. Runtime reads local parquet and never auto-downloads.",
         officialUrl: "https://github.com/bitcoinresearchkit/brk",
-        additionalUrls: [{ label: "Pinned parquet artifact", href: "https://drive.google.com/file/d/1jKRRU7l9kOMdGI_hIJGg02X3jWTMPJsw/view?usp=sharing" }],
+        additionalUrls: [
+          { label: "Pinned parquet artifact", href: "https://drive.google.com/file/d/1jKRRU7l9kOMdGI_hIJGg02X3jWTMPJsw/view?usp=sharing" },
+          { label: "Hosted BRK data (Bitview)", href: "https://bitview.space/" },
+        ],
         evidenceUrl: "https://github.com/hypertrial/stacksats/blob/9ba73643c4478ddd92650557a90e91e64674f587/stacksats/assets/brk_data_manifest.json",
         coverage: "Snapshot documents 2009-01-03 through 2026-03-13 daily metrics.",
         noGuideReason: "A BRK merged-metrics guide has not passed the Data catalog's access and reuse review.",
diff --git a/src/content/site-copy.ts b/src/content/site-copy.ts
index 0eca670..59ecc8a 100644
--- a/src/content/site-copy.ts
+++ b/src/content/site-copy.ts
@@ -57,6 +57,7 @@ export const appsCopy = {
   },
   liveAppLabel: "Live App",
   archiveLabel: "Archive",
+  exploreBrkLabel: "Explore BRK Data",
   sourceCodeLabel: "Source Code",
 } as const;