diff --git a/src/controllers/sellerController.js b/src/controllers/sellerController.js
new file mode 100644
index 0000000..d416389
--- /dev/null
+++ b/src/controllers/sellerController.js
@@ -0,0 +1,49 @@
+const Project = require('../models/Project');
+const Transaction = require('../models/Transaction');
+const User = require('../models/User');
+
+
+exports.getSellerProjects = async (req, res, next) => {
+  try {
+    const sellerId = req.user.id;
+    const projects = await Project.find({ seller: sellerId });
+    res.status(200).json({ success: true, count: projects.length, data: projects });
+  } catch (err) {
+    next(err);
+  }
+};
+
+
+exports.getSellerSoldProjects = async (req, res, next) => {
+  try {
+    const sellerId = req.user.id;
+ 
+    const soldProjects = await Transaction.find({ seller: sellerId, type: 'project_sale' }).populate('project');
+    res.status(200).json({ success: true, count: soldProjects.length, data: soldProjects });
+  } catch (err) {
+    next(err);
+  }
+};
+
+
+exports.getSellerActivity = async (req, res, next) => {
+  try {
+    const sellerId = req.user.id;
+    
+    const [projects, soldProjects, transactions] = await Promise.all([
+      Project.find({ seller: sellerId }),
+      Transaction.find({ seller: sellerId, type: 'project_sale' }).populate('project'),
+      Transaction.find({ seller: sellerId })
+    ]);
+    res.status(200).json({
+      success: true,
+      data: {
+        createdProjects: projects,
+        soldProjects: soldProjects,
+        transactions: transactions
+      }
+    });
+  } catch (err) {
+    next(err);
+  }
+};
diff --git a/src/models/Project.js b/src/models/Project.js
new file mode 100644
index 0000000..a7d5de6
--- /dev/null
+++ b/src/models/Project.js
@@ -0,0 +1,33 @@
+const mongoose = require('mongoose');
+
+const ProjectSchema = new mongoose.Schema({
+  name: {
+    type: String,
+    required: true,
+  },
+  description: String,
+  seller: {
+    type: mongoose.Schema.ObjectId,
+    ref: 'User',
+    required: true,
+  },
+  status: {
+    type: String,
+    enum: ['active', 'sold', 'inactive'],
+    default: 'active',
+  },
+  price: {
+    type: Number,
+    required: true,
+  },
+  createdAt: {
+    type: Date,
+    default: Date.now,
+  },
+  soldAt: Date,
+  metadata: mongoose.Schema.Types.Mixed,
+}, {
+  timestamps: true,
+});
+
+module.exports = mongoose.model('Project', ProjectSchema);
diff --git a/src/models/Transaction.js b/src/models/Transaction.js
index a16c81b..b5adcc8 100644
--- a/src/models/Transaction.js
+++ b/src/models/Transaction.js
@@ -51,9 +51,19 @@ const TransactionSchema = new mongoose.Schema({
   },
   type: {
     type: String,
-    enum: ['transfer', 'contract_interaction', 'token_transfer', 'nft_transfer'],
+    enum: ['transfer', 'contract_interaction', 'token_transfer', 'nft_transfer', 'project_sale'],
     default: 'transfer',
   },
+
+  // Add seller and project fields for project sale tracking
+  seller: {
+    type: mongoose.Schema.ObjectId,
+    ref: 'User',
+  },
+  project: {
+    type: mongoose.Schema.ObjectId,
+    ref: 'Project',
+  },
   tokenAddress: {
     type: String,
     lowercase: true,
diff --git a/src/routes/index.js b/src/routes/index.js
index 10df6cc..d3266b4 100644
--- a/src/routes/index.js
+++ b/src/routes/index.js
@@ -7,6 +7,7 @@ const userRoutes = require('./users');
 const walletRoutes = require('./wallets');
 const transactionRoutes = require('./transactions');
 const web3Routes = require('./web3');
+const sellerRoutes = require('./seller');
 
 // API version and info
 router.get('/', (req, res) => {
@@ -20,6 +21,7 @@ router.get('/', (req, res) => {
       wallets: '/api/wallets',
       transactions: '/api/transactions',
       web3: '/api/web3',
+      seller: '/api/seller',
     },
     documentation: '/api/docs',
   });
@@ -31,5 +33,6 @@ router.use('/users', userRoutes);
 router.use('/wallets', walletRoutes);
 router.use('/transactions', transactionRoutes);
 router.use('/web3', web3Routes);
+router.use('/seller', sellerRoutes);
 
 module.exports = router; 
\ No newline at end of file
diff --git a/src/routes/seller.js b/src/routes/seller.js
new file mode 100644
index 0000000..2820afa
--- /dev/null
+++ b/src/routes/seller.js
@@ -0,0 +1,21 @@
+const express = require('express');
+const router = express.Router();
+const { protect, authorize } = require('../middleware/auth');
+const {
+  getSellerProjects,
+  getSellerSoldProjects,
+  getSellerActivity
+} = require('../controllers/sellerController');
+
+
+router.use(protect);
+router.use(authorize('user'));
+
+
+router.get('/projects', getSellerProjects);
+
+router.get('/sold-projects', getSellerSoldProjects);
+
+router.get('/activity', getSellerActivity);
+
+module.exports = router;