diff --git a/.env.example b/.env.example
index afe929ed3..1c478cd99 100644
--- a/.env.example
+++ b/.env.example
@@ -75,4 +75,5 @@ OPENNODE_API_ENDPOINT=https://api.opennode.com/
 OPENNODE_KEY=OPENNODE_ADMIN_KEY
 
 # FakeWallet
-FAKE_WALLET_KEY=E9873D79C6D87DC0FB6A5778633389F4453213303DA61F20BD67FC233AA33262
\ No newline at end of file
+FAKE_WALLET_SECRET="ToTheMoon1"
+LNBITS_DENOMINATION=sats
\ No newline at end of file
diff --git a/lnbits/core/static/js/wallet.js b/lnbits/core/static/js/wallet.js
index ac88549ce..8d58302bf 100644
--- a/lnbits/core/static/js/wallet.js
+++ b/lnbits/core/static/js/wallet.js
@@ -161,14 +161,14 @@ new Vue({
           {
             name: 'sat',
             align: 'right',
-            label: 'Amount (sat)',
+            label: 'Amount (' + LNBITS_DENOMINATION + ')',
             field: 'sat',
             sortable: true
           },
           {
             name: 'fee',
             align: 'right',
-            label: 'Fee (msat)',
+            label: 'Fee (m' + LNBITS_DENOMINATION + ')',
             field: 'fee'
           }
         ],
@@ -191,7 +191,11 @@ new Vue({
   },
   computed: {
     formattedBalance: function () {
-      return LNbits.utils.formatSat(this.balance || this.g.wallet.sat)
+      if (LNBITS_DENOMINATION != 'sats') {
+        return this.balance / 100
+      } else {
+        return LNbits.utils.formatSat(this.balance || this.g.wallet.sat)
+      }
     },
     filteredPayments: function () {
       var q = this.paymentsTable.filter
@@ -250,28 +254,27 @@ new Vue({
       this.parse.data.paymentChecker = null
       this.parse.camera.show = false
     },
-    updateBalance: function(credit){
+    updateBalance: function (credit) {
+      if (LNBITS_DENOMINATION != 'sats') {
+        credit = credit * 100
+      }
       LNbits.api
-          .request(
-            'PUT',
-            '/api/v1/wallet/balance/' + credit,
-            this.g.wallet.inkey
-          )
-          .catch(err => {
-            LNbits.utils.notifyApiError(err)
-          })
-          .then(response => {
-            let data = response.data
-            if (data.status === 'ERROR') {
-              this.$q.notify({
-                timeout: 5000,
-                type: 'warning',
-                message: `Failed to update.`,
-              })
-              return
-            }
-            this.balance = this.balance + data.balance
-          })
+        .request('PUT', '/api/v1/wallet/balance/' + credit, this.g.wallet.inkey)
+        .catch(err => {
+          LNbits.utils.notifyApiError(err)
+        })
+        .then(response => {
+          let data = response.data
+          if (data.status === 'ERROR') {
+            this.$q.notify({
+              timeout: 5000,
+              type: 'warning',
+              message: `Failed to update.`
+            })
+            return
+          }
+          this.balance = this.balance + data.balance
+        })
     },
     closeReceiveDialog: function () {
       setTimeout(() => {
@@ -295,7 +298,9 @@ new Vue({
     },
     createInvoice: function () {
       this.receive.status = 'loading'
-
+      if (LNBITS_DENOMINATION != 'sats') {
+        this.receive.data.amount = this.receive.data.amount * 100
+      }
       LNbits.api
         .createInvoice(
           this.g.wallet,
diff --git a/lnbits/core/templates/core/wallet.html b/lnbits/core/templates/core/wallet.html
index 9ca00ad50..189d1547f 100644
--- a/lnbits/core/templates/core/wallet.html
+++ b/lnbits/core/templates/core/wallet.html
@@ -15,8 +15,8 @@
     <q-card>
       <q-card-section>
         <h3 class="q-my-none">
-          <strong>{% raw %}{{ formattedBalance }}{% endraw %} </strong>
-          sat
+          <strong>{% raw %}{{ formattedBalance }} {% endraw %}</strong>
+          {{LNBITS_DENOMINATION}}
           <q-btn
             v-if="'{{user.admin}}' == 'True'"
             flat
@@ -35,7 +35,9 @@
                 v-model="scope.value"
                 dense
                 autofocus
-                type="number"
+                mask="#.##"
+                fill-mask="0"
+                reverse-fill-mask
                 @keyup.enter="updateBalance(scope.value)"
               >
                 <template v-slot:append>
@@ -169,7 +171,17 @@
                 <q-tooltip>{{ props.row.date }}</q-tooltip>
                 {{ props.row.dateFrom }}
               </q-td>
-              <q-td auto-width key="sat" :props="props">
+              {% endraw %}
+              <q-td
+                auto-width
+                key="sat"
+                v-if="'{{LNBITS_DENOMINATION}}' != 'sats'"
+                :props="props"
+                >{% raw %} {{ parseFloat(String(props.row.fsat).replaceAll(",",
+                "")) / 100 }}
+              </q-td>
+
+              <q-td auto-width key="sat" v-else :props="props">
                 {{ props.row.fsat }}
               </q-td>
               <q-td auto-width key="fee" :props="props">
@@ -251,7 +263,7 @@
     <q-card>
       <q-card-section>
         <h6 class="text-subtitle1 q-mt-none q-mb-sm">
-          {{ SITE_TITLE }} wallet: <strong><em>{{ wallet.name }}</em></strong>
+          {{ SITE_TITLE }} Wallet: <strong><em>{{ wallet.name }}</em></strong>
         </h6>
       </q-card-section>
       <q-card-section class="q-pa-none">
@@ -365,7 +377,20 @@
       <p v-if="receive.lnurl" class="text-h6 text-center q-my-none">
         <b>{{receive.lnurl.domain}}</b> is requesting an invoice:
       </p>
-
+      {% endraw %} {% if LNBITS_DENOMINATION != 'sats' %}
+      <q-input
+        filled
+        dense
+        v-model.number="receive.data.amount"
+        label="Amount ({{LNBITS_DENOMINATION}}) *"
+        mask="#.##"
+        fill-mask="0"
+        reverse-fill-mask
+        :min="receive.minMax[0]"
+        :max="receive.minMax[1]"
+        :readonly="receive.lnurl && receive.lnurl.fixed"
+      ></q-input>
+      {% else %}
       <q-select
         filled
         dense
@@ -379,22 +404,24 @@
         dense
         v-model.number="receive.data.amount"
         type="number"
-        :label="`Amount (${receive.unit}) *`"
+        label="Amount ({{LNBITS_DENOMINATION}}) *"
         :step="receive.unit != 'sat' ? '0.001' : '1'"
         :min="receive.minMax[0]"
         :max="receive.minMax[1]"
         :readonly="receive.lnurl && receive.lnurl.fixed"
       ></q-input>
+      {% endif %}
+
       <q-input
         filled
         dense
         v-model.trim="receive.data.memo"
-        label="Memo *"
-        placeholder="LNbits invoice"
+        label="Memo"
       ></q-input>
+      {% raw %}
       <div v-if="receive.status == 'pending'" class="row q-mt-lg">
         <q-btn
-          unelevated
+          unelevatedamountamount
           color="primary"
           :disable="receive.data.memo == null || receive.data.amount == null || receive.data.amount <= 0"
           type="submit"
@@ -438,8 +465,13 @@
 <q-dialog v-model="parse.show" @hide="closeParseDialog">
   <q-card class="q-pa-lg q-pt-xl lnbits__dialog-card">
     <div v-if="parse.invoice">
-      {% raw %}
-      <h6 class="q-my-none">{{ parse.invoice.fsat }} sat</h6>
+      <h6 v-if="'{{LNBITS_DENOMINATION}}' != 'sats'" class="q-my-none">
+        {% raw %} {{ parseFloat(String(parse.invoice.fsat).replaceAll(",", ""))
+        / 100 }} {% endraw %} {{LNBITS_DENOMINATION}} {% raw %}
+      </h6>
+      <h6 v-else class="q-my-none">
+        {{ parse.invoice.fsat }}{% endraw %} {{LNBITS_DENOMINATION}} {% raw %}
+      </h6>
       <q-separator class="q-my-sm"></q-separator>
       <p class="text-wrap">
         <strong>Description:</strong> {{ parse.invoice.description }}<br />
@@ -489,7 +521,7 @@
       <q-form @submit="payLnurl" class="q-gutter-md">
         <p v-if="parse.lnurlpay.fixed" class="q-my-none text-h6">
           <b>{{ parse.lnurlpay.domain }}</b> is requesting {{
-          parse.lnurlpay.maxSendable | msatoshiFormat }} sat
+          parse.lnurlpay.maxSendable | msatoshiFormat }} {{LNBITS_DENOMINATION}}
           <span v-if="parse.lnurlpay.commentAllowed > 0">
             <br />
             and a {{parse.lnurlpay.commentAllowed}}-char comment
@@ -499,7 +531,8 @@
           <b>{{ parse.lnurlpay.targetUser || parse.lnurlpay.domain }}</b> is
           requesting <br />
           between <b>{{ parse.lnurlpay.minSendable | msatoshiFormat }}</b> and
-          <b>{{ parse.lnurlpay.maxSendable | msatoshiFormat }}</b> sat
+          <b>{{ parse.lnurlpay.maxSendable | msatoshiFormat }}</b>
+          {% endraw %} {{LNBITS_DENOMINATION}} {% raw %}
           <span v-if="parse.lnurlpay.commentAllowed > 0">
             <br />
             and a {{parse.lnurlpay.commentAllowed}}-char comment
@@ -516,16 +549,18 @@
         </div>
         <div class="row">
           <div class="col">
+            {% endraw %}
             <q-input
               filled
               dense
               v-model.number="parse.data.amount"
               type="number"
-              label="Amount (sat) *"
+              label="Amount ({{LNBITS_DENOMINATION}}) *"
               :min="parse.lnurlpay.minSendable / 1000"
               :max="parse.lnurlpay.maxSendable / 1000"
               :readonly="parse.lnurlpay.fixed"
             ></q-input>
+            {% raw %}
           </div>
           <div class="col-8 q-pl-md" v-if="parse.lnurlpay.commentAllowed > 0">
             <q-input
@@ -539,7 +574,9 @@
           </div>
         </div>
         <div class="row q-mt-lg">
-          <q-btn unelevated color="primary" type="submit">Send satoshis</q-btn>
+          <q-btn unelevated color="primary" type="submit"
+            >Send {{LNBITS_DENOMINATION}}</q-btn
+          >
           <q-btn v-close-popup flat color="grey" class="q-ml-auto"
             >Cancel</q-btn
           >
diff --git a/lnbits/helpers.py b/lnbits/helpers.py
index a13964119..dfd9d53de 100644
--- a/lnbits/helpers.py
+++ b/lnbits/helpers.py
@@ -156,6 +156,7 @@ def template_renderer(additional_folders: List = []) -> Jinja2Templates:
         )
     )
     t.env.globals["SITE_TITLE"] = settings.LNBITS_SITE_TITLE
+    t.env.globals["LNBITS_DENOMINATION"] = settings.LNBITS_DENOMINATION
     t.env.globals["SITE_TAGLINE"] = settings.LNBITS_SITE_TAGLINE
     t.env.globals["SITE_DESCRIPTION"] = settings.LNBITS_SITE_DESCRIPTION
     t.env.globals["LNBITS_THEME_OPTIONS"] = settings.LNBITS_THEME_OPTIONS
diff --git a/lnbits/settings.py b/lnbits/settings.py
index 1ca0c2dac..b204e28f1 100644
--- a/lnbits/settings.py
+++ b/lnbits/settings.py
@@ -34,6 +34,7 @@ LNBITS_DISABLED_EXTENSIONS: List[str] = env.list(
 )
 
 LNBITS_SITE_TITLE = env.str("LNBITS_SITE_TITLE", default="LNbits")
+LNBITS_DENOMINATION = env.str("LNBITS_DENOMINATION", default="sats")
 LNBITS_SITE_TAGLINE = env.str(
     "LNBITS_SITE_TAGLINE", default="free and open-source lightning wallet"
 )
diff --git a/lnbits/static/js/components.js b/lnbits/static/js/components.js
index 0845b5552..b8c9f4d04 100644
--- a/lnbits/static/js/components.js
+++ b/lnbits/static/js/components.js
@@ -22,7 +22,8 @@ Vue.component('lnbits-wallet-list', {
       activeWallet: null,
       activeBalance: [],
       showForm: false,
-      walletName: ''
+      walletName: '',
+      LNBITS_DENOMINATION: LNBITS_DENOMINATION
     }
   },
   template: `
@@ -43,7 +44,8 @@ Vue.component('lnbits-wallet-list', {
         </q-item-section>
         <q-item-section>
           <q-item-label lines="1">{{ wallet.name }}</q-item-label>
-          <q-item-label caption>{{ wallet.live_fsat }} sat</q-item-label>
+          <q-item-label v-if="LNBITS_DENOMINATION != 'sats'" caption>{{ parseFloat(String(wallet.live_fsat).replaceAll(",", "")) / 100  }} {{ LNBITS_DENOMINATION }}</q-item-label>
+          <q-item-label v-else caption>{{ wallet.live_fsat }} {{ LNBITS_DENOMINATION }}</q-item-label>
         </q-item-section>
         <q-item-section side v-show="activeWallet && activeWallet.id === wallet.id">
           <q-icon name="chevron_right" color="grey-5" size="md"></q-icon>
@@ -194,11 +196,11 @@ Vue.component('lnbits-payment-details', {
       </div>
       <div class="row">
         <div class="col-3"><b>Amount</b>:</div>
-        <div class="col-9">{{ (payment.amount / 1000).toFixed(3) }} sat</div>
+        <div class="col-9">{{ (payment.amount / 1000).toFixed(3) }} {{LNBITS_DENOMINATION}}</div>
       </div>
       <div class="row">
         <div class="col-3"><b>Fee</b>:</div>
-        <div class="col-9">{{ (payment.fee / 1000).toFixed(3) }} sat</div>
+        <div class="col-9">{{ (payment.fee / 1000).toFixed(3) }} {{LNBITS_DENOMINATION}}</div>
       </div>
       <div class="row">
         <div class="col-3"><b>Payment hash</b>:</div>
diff --git a/lnbits/templates/base.html b/lnbits/templates/base.html
index b49cb3b92..8f7d6199d 100644
--- a/lnbits/templates/base.html
+++ b/lnbits/templates/base.html
@@ -192,6 +192,8 @@
     <script src="/static/js/components.js"></script>
     <script type="text/javascript">
       const themes = {{ LNBITS_THEME_OPTIONS  | tojson }}
+      const LNBITS_DENOMINATION = {{ LNBITS_DENOMINATION   | tojson}}
+      console.log(LNBITS_DENOMINATION)
       if(themes && themes.length) {
         window.allowedThemes = themes.map(str => str.trim())
       }
diff --git a/lnbits/wallets/fake.py b/lnbits/wallets/fake.py
index 9d10afb39..93e50abd9 100644
--- a/lnbits/wallets/fake.py
+++ b/lnbits/wallets/fake.py
@@ -31,11 +31,12 @@ class FakeWallet(Wallet):
         memo: Optional[str] = None,
         description_hash: Optional[bytes] = None,
     ) -> InvoiceResponse:
+        secret = getenv("FAKE_WALLET_SECRET")
         data: Dict = {
             "out": False,
             "amount": amount,
             "currency": "bc",
-            "privkey": getenv("FAKE_WALLET_KEY"),
+            "privkey": hashlib.pbkdf2_hmac('sha256', secret.encode("utf-8"), ("FakeWallet").encode("utf-8"), 2048, 32).hex(),
             "memo": None,
             "description_hash": None,
             "description": "",
@@ -52,9 +53,9 @@ class FakeWallet(Wallet):
             data["tags_set"] = ["d"]
             data["memo"] = memo
             data["description"] = memo
-        randomHash = hashlib.sha256(
+        randomHash = data["privkey"][:6] + hashlib.sha256(
             str(random.getrandbits(256)).encode("utf-8")
-        ).hexdigest()
+        ).hexdigest()[6:]
         data["paymenthash"] = randomHash
         payment_request = encode(data)
         checking_id = randomHash
@@ -62,8 +63,12 @@ class FakeWallet(Wallet):
         return InvoiceResponse(True, checking_id, payment_request)
 
     async def pay_invoice(self, bolt11: str) -> PaymentResponse:
-        invoice = decode(bolt11)
-        return PaymentResponse(True, invoice.payment_hash, 0)
+        invoice = decode(bolt11)        
+        if hasattr(invoice, 'checking_id') and invoice.checking_id[6:] == data["privkey"][:6]:
+            return PaymentResponse(True, invoice.payment_hash, 0)
+        else:
+            return PaymentResponse(ok = False, error_message="Only internal invoices can be used!")
+
 
     async def get_invoice_status(self, checking_id: str) -> PaymentStatus:
         return PaymentStatus(False)