diff --git a/prisma/schema/whitelist.prisma b/prisma/schema/whitelist.prisma
new file mode 100644
index 0000000..f462221
--- /dev/null
+++ b/prisma/schema/whitelist.prisma
@@ -0,0 +1,11 @@
+// prisma/schema/whitelist.prisma
+
+model Whitelist {
+  id        String   @id @default(cuid())
+  address   String
+  creatorId String
+  createdAt DateTime @default(now())
+
+  @@unique([address, creatorId])
+  @@index([creatorId])
+}
diff --git a/src/config.schema.ts b/src/config.schema.ts
index 96f6dd9..c732de8 100644
--- a/src/config.schema.ts
+++ b/src/config.schema.ts
@@ -183,6 +183,14 @@ export const envSchema = z
          .positive()
          .default(5),
 
+      // Governance proposal sync job
+      GOVERNANCE_SYNC_ENABLED: booleanCoerce.default(false),
+      GOVERNANCE_SYNC_INTERVAL_MINUTES: z.coerce
+         .number()
+         .int()
+         .positive()
+         .default(5),
+
       // Request body size limits (see docs/body-size-limits.md).
       // Accepts any size string understood by the `bytes` package used
       // internally by body-parser (e.g. '100kb', '1mb', '10mb').
diff --git a/src/jobs/governance-sync.job.ts b/src/jobs/governance-sync.job.ts
new file mode 100644
index 0000000..f8bcc8f
--- /dev/null
+++ b/src/jobs/governance-sync.job.ts
@@ -0,0 +1,60 @@
+// src/jobs/governance-sync.job.ts
+import { envConfig } from '../config';
+import { logger } from '../utils/logger.utils';
+import { prisma } from '../utils/prisma.utils';
+
+export async function syncGovernanceProposals() {
+  const activeProposals = await prisma.governanceProposal.findMany({
+    where: { status: 'active' },
+    select: { id: true, keyId: true, proposalId: true, expiresAt: true },
+  });
+
+  let closed = 0;
+  for (const proposal of activeProposals) {
+    if (new Date() > proposal.expiresAt) {
+      await prisma.governanceProposal.update({
+        where: { id: proposal.id },
+        data: { status: 'closed', closedAt: new Date() },
+      });
+      closed++;
+    }
+  }
+
+  logger.info({ scanned: activeProposals.length, closed }, 'governanceSync completed');
+  return { scanned: activeProposals.length, closed };
+}
+
+let governanceTimer: ReturnType<typeof setInterval> | null = null;
+
+export function startGovernanceSyncJob(): void {
+  if (!envConfig.GOVERNANCE_SYNC_ENABLED) {
+    logger.info('governanceSync job is disabled');
+    return;
+  }
+
+  const intervalMs = (envConfig.GOVERNANCE_SYNC_INTERVAL_MINUTES ?? 5) * 60 * 1000;
+
+  const run = async () => {
+    try {
+      await syncGovernanceProposals();
+    } catch (error) {
+      logger.error({ err: error }, 'governanceSync failed');
+    }
+  };
+
+  void run();
+  governanceTimer = setInterval(() => { void run(); }, intervalMs);
+
+  if (typeof (governanceTimer as any).unref === 'function') {
+    governanceTimer.unref();
+  }
+
+  logger.info({ intervalMinutes: envConfig.GOVERNANCE_SYNC_INTERVAL_MINUTES ?? 5 }, 'governanceSync job started');
+}
+
+export function stopGovernanceSyncJob(): void {
+  if (!governanceTimer) return;
+  clearInterval(governanceTimer);
+  governanceTimer = null;
+  logger.info('governanceSync job stopped');
+}
diff --git a/src/modules/index.ts b/src/modules/index.ts
index b63eae0..8462189 100644
--- a/src/modules/index.ts
+++ b/src/modules/index.ts
@@ -19,6 +19,7 @@ import keysRouter from './keys/keys.routes';
 import notificationsRouter from './notifications/notification.routes';
 import horizonWebhookRouter from './webhooks/horizon-webhook.routes';
 import vestingRouter from './vesting/vesting.routes';
+import investorRouter from './investor/investor.routes';
 import { BASE as CREATORS_BASE } from '../constants/creator.constants';
 
 const router = Router();
@@ -47,5 +48,6 @@ router.use('/keys', routeBodySizeLimit('default'), keysRouter);
 router.use('/notifications', routeBodySizeLimit('default'), notificationsRouter);
 router.use('/webhooks', routeBodySizeLimit('default'), horizonWebhookRouter);
 router.use('/vesting', routeBodySizeLimit('default'), vestingRouter);
+router.use('/investor', routeBodySizeLimit('default'), investorRouter);
 
 export default router;
diff --git a/src/modules/investor/dividend.service.ts b/src/modules/investor/dividend.service.ts
new file mode 100644
index 0000000..913919a
--- /dev/null
+++ b/src/modules/investor/dividend.service.ts
@@ -0,0 +1,24 @@
+// src/modules/investor/dividend.service.ts
+import { prisma } from '../../utils/prisma.utils';
+
+export class DividendNotFoundError extends Error {}
+
+export async function getInvestorDividends(
+  wallet: string,
+  cursor?: string,
+  limit = 20
+) {
+  const where: any = { investorAddress: wallet };
+  if (cursor) {
+    where.id = { gt: cursor };
+  }
+  const items = await prisma.dividend.findMany({
+    where,
+    orderBy: { distributedAt: 'desc' },
+    take: limit + 1,
+  });
+  const hasMore = items.length > limit;
+  const data = hasMore ? items.slice(0, limit) : items;
+  const nextCursor = hasMore ? data[data.length - 1].id : null;
+  return { data, nextCursor, hasMore };
+}
diff --git a/src/modules/investor/investor.routes.ts b/src/modules/investor/investor.routes.ts
new file mode 100644
index 0000000..13a83b3
--- /dev/null
+++ b/src/modules/investor/investor.routes.ts
@@ -0,0 +1,131 @@
+// src/modules/investor/investor.routes.ts
+import { Router } from 'express';
+import { z } from 'zod';
+import {
+  sendSuccess,
+  sendNotFound,
+  sendValidationError,
+  zodIssuesToDetails,
+} from '../../utils/api-response.utils';
+import {
+  getInvestorDividends,
+} from './dividend.service';
+import {
+  addToWhitelist,
+  removeFromWhitelist,
+  getWhitelistAddresses,
+  WhitelistNotFoundError,
+} from './whitelist.service';
+
+const router = Router();
+
+const dividendsParamsSchema = z.object({
+  wallet: z.string().min(1),
+});
+
+const dividendsQuerySchema = z.object({
+  cursor: z.string().optional(),
+  limit: z.coerce.number().int().min(1).max(100).optional(),
+});
+
+/**
+ * GET /api/v1/investor/:wallet/dividends
+ * List dividend payouts for an investor wallet with cursor pagination.
+ */
+router.get('/:wallet/dividends', async (req, res, next) => {
+  const params = dividendsParamsSchema.safeParse(req.params);
+  if (!params.success) {
+    sendValidationError(res, 'Invalid wallet', zodIssuesToDetails(params.error.issues));
+    return;
+  }
+  const query = dividendsQuerySchema.safeParse(req.query);
+  if (!query.success) {
+    sendValidationError(res, 'Invalid query', zodIssuesToDetails(query.error.issues));
+    return;
+  }
+  try {
+    const result = await getInvestorDividends(
+      params.data.wallet,
+      query.data.cursor,
+      query.data.limit
+    );
+    sendSuccess(res, result);
+  } catch (error) {
+    next(error);
+  }
+});
+
+const whitelistParamsSchema = z.object({
+  keyId: z.string().min(1),
+});
+
+const whitelistBodySchema = z.object({
+  address: z.string().min(1),
+});
+
+/**
+ * POST /api/v1/investor/:keyId/whitelist/add
+ */
+router.post('/:keyId/whitelist/add', async (req, res, next) => {
+  const params = whitelistParamsSchema.safeParse(req.params);
+  if (!params.success) {
+    sendValidationError(res, 'Invalid keyId', zodIssuesToDetails(params.error.issues));
+    return;
+  }
+  const body = whitelistBodySchema.safeParse(req.body);
+  if (!body.success) {
+    sendValidationError(res, 'Invalid body', zodIssuesToDetails(body.error.issues));
+    return;
+  }
+  try {
+    const entry = await addToWhitelist(params.data.keyId, body.data.address);
+    sendSuccess(res, entry, 201);
+  } catch (error) {
+    next(error);
+  }
+});
+
+/**
+ * POST /api/v1/investor/:keyId/whitelist/remove
+ */
+router.post('/:keyId/whitelist/remove', async (req, res, next) => {
+  const params = whitelistParamsSchema.safeParse(req.params);
+  if (!params.success) {
+    sendValidationError(res, 'Invalid keyId', zodIssuesToDetails(params.error.issues));
+    return;
+  }
+  const body = whitelistBodySchema.safeParse(req.body);
+  if (!body.success) {
+    sendValidationError(res, 'Invalid body', zodIssuesToDetails(body.error.issues));
+    return;
+  }
+  try {
+    await removeFromWhitelist(params.data.keyId, body.data.address);
+    sendSuccess(res, { removed: true });
+  } catch (error) {
+    if (error instanceof WhitelistNotFoundError) {
+      sendNotFound(res, 'Whitelist entry');
+      return;
+    }
+    next(error);
+  }
+});
+
+/**
+ * GET /api/v1/investor/:keyId/whitelist/addresses
+ */
+router.get('/:keyId/whitelist/addresses', async (req, res, next) => {
+  const params = whitelistParamsSchema.safeParse(req.params);
+  if (!params.success) {
+    sendValidationError(res, 'Invalid keyId', zodIssuesToDetails(params.error.issues));
+    return;
+  }
+  try {
+    const addresses = await getWhitelistAddresses(params.data.keyId);
+    sendSuccess(res, addresses);
+  } catch (error) {
+    next(error);
+  }
+});
+
+export default router;
diff --git a/src/modules/investor/whitelist.service.ts b/src/modules/investor/whitelist.service.ts
new file mode 100644
index 0000000..ea13ddf
--- /dev/null
+++ b/src/modules/investor/whitelist.service.ts
@@ -0,0 +1,33 @@
+// src/modules/investor/whitelist.service.ts
+import { prisma } from '../../utils/prisma.utils';
+
+export class WhitelistNotFoundError extends Error {}
+
+export async function addToWhitelist(creatorId: string, address: string) {
+  return prisma.whitelist.upsert({
+    where: { address_creatorId: { address, creatorId } },
+    update: {},
+    create: { address, creatorId },
+  });
+}
+
+export async function removeFromWhitelist(creatorId: string, address: string) {
+  const existing = await prisma.whitelist.findUnique({
+    where: { address_creatorId: { address, creatorId } },
+  });
+  if (!existing) {
+    throw new WhitelistNotFoundError();
+  }
+  await prisma.whitelist.delete({
+    where: { address_creatorId: { address, creatorId } },
+  });
+}
+
+export async function getWhitelistAddresses(creatorId: string) {
+  const entries = await prisma.whitelist.findMany({
+    where: { creatorId },
+    select: { address: true },
+    orderBy: { createdAt: 'asc' },
+  });
+  return entries.map((e: { address: string }) => e.address);
+}
diff --git a/src/modules/keys/key-transfer.service.ts b/src/modules/keys/key-transfer.service.ts
new file mode 100644
index 0000000..f5682d2
--- /dev/null
+++ b/src/modules/keys/key-transfer.service.ts
@@ -0,0 +1,49 @@
+// src/modules/keys/key-transfer.service.ts
+import { prisma } from '../../utils/prisma.utils';
+import { KeyNotFoundError } from './key-fees.service';
+
+export async function transferKeys(
+  keyId: string,
+  fromAddress: string,
+  toAddress: string,
+  quantity: number
+) {
+  if (quantity <= 0) {
+    throw new Error('Quantity must be positive');
+  }
+  if (fromAddress === toAddress) {
+    throw new Error('Cannot transfer to the same address');
+  }
+
+  const creator = await prisma.creatorProfile.findUnique({
+    where: { id: keyId },
+    select: { id: true },
+  });
+  if (!creator) {
+    throw new KeyNotFoundError(keyId);
+  }
+
+  return prisma.$transaction(async (tx: any) => {
+    const sender = await tx.keyOwnership.findUnique({
+      where: { ownerAddress_creatorId: { ownerAddress: fromAddress, creatorId: keyId } },
+      select: { balance: true },
+    });
+    const senderBalance = Number(sender?.balance ?? 0);
+    if (senderBalance < quantity) {
+      throw new Error('Insufficient balance');
+    }
+
+    const result = await tx.keyOwnership.upsert({
+      where: { ownerAddress_creatorId: { ownerAddress: toAddress, creatorId: keyId } },
+      update: { balance: { increment: quantity } },
+      create: { ownerAddress: toAddress, creatorId: keyId, balance: quantity },
+    });
+
+    await tx.keyOwnership.update({
+      where: { ownerAddress_creatorId: { ownerAddress: fromAddress, creatorId: keyId } },
+      data: { balance: { decrement: quantity } },
+    });
+
+    return { from: fromAddress, to: toAddress, quantity, newBalance: Number(result.balance) };
+  });
+}
diff --git a/src/server.ts b/src/server.ts
index 0bd6a3f..f0a68d8 100644
--- a/src/server.ts
+++ b/src/server.ts
@@ -16,6 +16,10 @@ import {
    startDetectPriceMovementsJob,
    stopDetectPriceMovementsJob,
 } from './jobs/detect-price-movements.job';
+import {
+   startGovernanceSyncJob,
+   stopGovernanceSyncJob,
+} from './jobs/governance-sync.job';
 import { connectRedis, disconnectRedis } from './utils/redis.utils';
 import { broadcastServerClosing, closeAllConnections } from './utils/sse-fanout.utils';
 import { buildStartupConfigSummary } from './utils/config-summary.utils';
@@ -67,6 +71,7 @@ async function startServer() {
       checkOptionalDependencies();
 
       startDetectPriceMovementsJob();
+      startGovernanceSyncJob();
 
       const server = app.listen(envConfig.PORT, () => {
          logger.info(`Server running on port ${envConfig.PORT}`);
@@ -101,6 +106,7 @@ function createGracefulShutdownHandler(server: ReturnType<typeof app.listen>) {
 
       stopOwnershipSnapshotCleanupJob();
       stopDetectPriceMovementsJob();
+      stopGovernanceSyncJob();
       await prisma.$disconnect();
       logger.info('Database connection closed');