diff --git a/package-lock.json b/package-lock.json
index 2f56e4b..5998eb6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
         "@fortawesome/react-fontawesome": "0.2.2",
         "@noble/hashes": "1.8.0",
         "axios": "0.27.2",
-        "bch-dex-lib": "2.2.0",
+        "bch-dex-lib": "2.3.1",
         "bch-message-lib": "2.2.1",
         "bch-nostr": "1.3.4",
         "bch-token-sweep": "2.2.1",
@@ -10043,9 +10043,9 @@
       "license": "MIT"
     },
     "node_modules/bch-dex-lib": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/bch-dex-lib/-/bch-dex-lib-2.2.0.tgz",
-      "integrity": "sha512-SORqn4qNmbxfL2SbbapOpbcCB+FtqasR+GT0XRifdkXFjA3aDL0gwMsHjh8IzLZnKtPYSBcfgzKQFxEsXCJNug==",
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/bch-dex-lib/-/bch-dex-lib-2.3.1.tgz",
+      "integrity": "sha512-HlY21BpUUaSsuZNWF5LGPwSJU7m2kYbNMcS36o22RSHuO1kiBMONHwkV+v22kdbDk3T/Iz+AZN0mzJvH5neCXw==",
       "license": "MIT",
       "dependencies": {
         "@chris.troutner/retry-queue": "1.0.10",
diff --git a/package.json b/package.json
index 016fd99..dcb8d71 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "@fortawesome/react-fontawesome": "0.2.2",
     "@noble/hashes": "1.8.0",
     "axios": "0.27.2",
-    "bch-dex-lib": "2.2.0",
+    "bch-dex-lib": "2.3.1",
     "bch-message-lib": "2.2.1",
     "bch-nostr": "1.3.4",
     "bch-token-sweep": "2.2.1",
diff --git a/src/components/app-body/nfts-for-sale/buy-button.js b/src/components/app-body/nfts-for-sale/buy-button.js
index 9f6d418..8c7e7a7 100644
--- a/src/components/app-body/nfts-for-sale/buy-button.js
+++ b/src/components/app-body/nfts-for-sale/buy-button.js
@@ -6,6 +6,7 @@
 // Global npm libraries
 import React, { useState } from 'react'
 import { Button, Modal, Container, Row, Col, Spinner } from 'react-bootstrap'
+import AsyncLoad from '../../../services/async-load'
 
 function BuyButton (props) {
   const { token, appData, onSuccess } = props
@@ -45,10 +46,19 @@ function BuyButton (props) {
 
       // Generate a counter offer.
       const bchDexLib = appData.dexLib
-      const { offerData, partialHex } = await bchDexLib.take.takeOffer(
+      const { offerData, partialHex, counterOfferUtxo } = await bchDexLib.take.takeOffer(
         targetOffer
       )
 
+      // Get counter offer data
+      const asyncLoad = new AsyncLoad()
+      const { takerAddr, takerNpub, counterOfferAddr } = await asyncLoad.getCounterOfferMetadata(appData)
+
+      offerData.takerAddr = takerAddr
+      offerData.takerNpub = takerNpub
+      offerData.counterOfferAddr = counterOfferAddr
+      offerData.counterOfferUtxo = counterOfferUtxo.txid
+
       progress.push(<p key='progress-msg2'>Uploading counter offer to Nostr...</p>)
       setProgressMsg(progress)
 
diff --git a/src/components/app-body/offers/index.js b/src/components/app-body/offers/index.js
index 32db9f3..116bc25 100644
--- a/src/components/app-body/offers/index.js
+++ b/src/components/app-body/offers/index.js
@@ -8,7 +8,7 @@ import React, { useState, useEffect, useCallback } from 'react'
 import { Container, Row, Col, Table, Button, Spinner } from 'react-bootstrap'
 import axios from 'axios'
 import { DatatableWrapper, TableBody, TableHeader } from 'react-bs-datatable'
-
+import AsyncLoad from '../../../services/async-load'
 // Local libraries
 import config from '../../../config'
 import WaitingModal from '../../waiting-modal'
@@ -100,10 +100,19 @@ function Offers (props) {
 
       // Generate a counter offer.
       const bchDexLib = appData.dexLib
-      const { offerData, partialHex } = await bchDexLib.take.takeOffer(
+      const { offerData, partialHex, counterOfferUtxo } = await bchDexLib.take.takeOffer(
         targetOfferEventId
       )
 
+      // Get counter offer data
+      const asyncLoad = new AsyncLoad()
+      const { takerAddr, takerNpub, counterOfferAddr } = await asyncLoad.getCounterOfferMetadata(appData)
+
+      offerData.takerAddr = takerAddr
+      offerData.takerNpub = takerNpub
+      offerData.counterOfferAddr = counterOfferAddr
+      offerData.counterOfferUtxo = counterOfferUtxo.txid
+
       // Upload the counter offer to Nostr.
       const nostr = appData.nostr
       const { eventId, noteId } = await nostr.testNostrUpload({
diff --git a/src/services/async-load.js b/src/services/async-load.js
index e0a77b4..cac4adb 100644
--- a/src/services/async-load.js
+++ b/src/services/async-load.js
@@ -334,7 +334,7 @@ class AsyncLoad {
     }
   }
 
-  async getDerivatedWallet (restURL, mnemonic, hdPath = "m/44'/245'/0'/0/0") {
+  async getDerivatedWallet (restURL, mnemonic, hdPath = "m/44'/245'/0'/0/0", initialize = true) {
     try {
       const options = {
         interface: 'consumer-api',
@@ -347,7 +347,9 @@ class AsyncLoad {
 
       // Wait for wallet to initialize.
       await wallet.walletInfoPromise
-      await wallet.initialize()
+      if (initialize) {
+        await wallet.initialize()
+      }
 
       return wallet
     } catch (error) {
@@ -355,6 +357,35 @@ class AsyncLoad {
       throw error
     }
   }
+
+  // Get buyer and counter offer data.
+  async getCounterOfferMetadata (appData) {
+    try {
+      const { bchWalletState, serverUrl } = appData
+      // Start async load lib
+      const asyncLoad = new AsyncLoad()
+      await asyncLoad.loadWalletLib()
+
+      // Buyer wallet data
+      const buyerWallet = await asyncLoad.getDerivatedWallet(serverUrl, bchWalletState.mnemonic, "m/44'/245'/0'/0/0", false)
+      const buyerAddr = buyerWallet.walletInfo.cashAddress
+      const buyerKeyPair = asyncLoad.nostrKeyPairFromWIF(buyerWallet.walletInfo.privateKey)
+      const buyerNpub = buyerKeyPair.npub
+
+      // Counter offer wallet data
+      const counterOfferWallet = await asyncLoad.getDerivatedWallet(serverUrl, bchWalletState.mnemonic, "m/44'/245'/0'/0/1", false)
+      const counterOfferAddr = counterOfferWallet.walletInfo.cashAddress
+
+      return {
+        takerAddr: buyerAddr,
+        takerNpub: buyerNpub,
+        counterOfferAddr
+      }
+    } catch (error) {
+      console.error('Error getCounterOfferMetadata()', error)
+      throw error
+    }
+  }
 }
 
 function sleep (ms) {