diff --git a/src/components/molecules/MoleculeTransactionTable.vue b/src/components/molecules/MoleculeTransactionTable.vue
index 3d8ab8e..fd5a3f3 100644
--- a/src/components/molecules/MoleculeTransactionTable.vue
+++ b/src/components/molecules/MoleculeTransactionTable.vue
@@ -11,7 +11,7 @@
         <td>
           <div class="flex items-center">
             <div>
-              <div class="font-bold">{{ transaction.type }}</div>
+              <div class="font-bold">{{ transaction.label }}</div>
               <div>{{ DateService.toString(transaction.date) }}</div>
             </div>
           </div>
diff --git a/src/components/services/bank.service.ts b/src/components/services/bank.service.ts
new file mode 100644
index 0000000..1e0b115
--- /dev/null
+++ b/src/components/services/bank.service.ts
@@ -0,0 +1,54 @@
+import { AppwriteService } from './appwrite.service';
+import { IAccount } from '../../interfaces/account.interface';
+import { Databases, Models, Query } from 'appwrite';
+import { ITransaction } from '../../interfaces/transaction.interface';
+
+const DATABASE_ID = '62dfd5787755e7ed9fcd';
+const ACCOUNTS_COLLECTION_ID = '62dfd6ca06197f9baa86';
+const TRANSACTIONS_COLLECTION_ID = '62dfd81b7671727b27cd';
+const DEPOSIT_LABEL = 'Bargeldeinzahlung';
+const SALARY_LABEL = 'Gehalt';
+const WITHDRAW_LABEL = 'Bargeldauszahlung';
+const sdk = AppwriteService.getSDK();
+
+export const BankService = {
+  async getAccountDetails(accountNumber: string): Promise<IAccount> {
+    const database = new Databases(sdk, DATABASE_ID);
+    const accountDocument = await database.listDocuments<IAccount & Models.Document>(
+      ACCOUNTS_COLLECTION_ID, [Query.equal('accountNumber', accountNumber)], 1);
+    const transactionDocuments = await database.listDocuments<ITransaction & Models.Document>(
+      TRANSACTIONS_COLLECTION_ID, [Query.equal('accountNumber', accountNumber)], 100, 0, undefined, undefined, ['$createdAt'], ['DESC']);
+    const account: IAccount = {
+      accountNumber: accountDocument.documents[0].accountNumber,
+      firstName: accountDocument.documents[0].firstName,
+      lastName: accountDocument.documents[0].lastName,
+      balance: accountDocument.documents[0].balance,
+      transactions: transactionDocuments.documents.map(transaction => ({
+        label: transaction.label,
+        amount: transaction.amount,
+        date: new Date(transaction.$createdAt * 1000),
+      })),
+    };
+    return account;
+  },
+  async addTransaction(accountNumber: string, amount: number, type: TransactionType): Promise<ITransaction> {
+    const database = new Databases(sdk, DATABASE_ID);
+    const accountDocument = await database.listDocuments<IAccount & Models.Document>(
+      ACCOUNTS_COLLECTION_ID, [Query.equal('accountNumber', accountNumber)], 1);
+    const transactionDocument = await database.createDocument<ITransaction & Models.Document>(TRANSACTIONS_COLLECTION_ID, 'unique()', {
+      accountNumber: accountNumber,
+      label: type === TransactionType.DEPOSIT ? DEPOSIT_LABEL : (type === TransactionType.SALARY ? SALARY_LABEL : WITHDRAW_LABEL),
+      amount: (type === TransactionType.WITHDRAW ? -amount : amount),
+    });
+    await database.updateDocument<IAccount & Models.Document>(ACCOUNTS_COLLECTION_ID, accountDocument.documents[0].$id, {
+      balance: accountDocument.documents[0].balance + (type === TransactionType.WITHDRAW ? -amount : amount),
+    });
+    return { label: transactionDocument.label, amount: transactionDocument.amount, date: new Date(transactionDocument.$createdAt * 1000) };
+  },
+};
+
+export enum TransactionType {
+  DEPOSIT,
+  SALARY,
+  WITHDRAW,
+}
\ No newline at end of file
diff --git a/src/components/services/date.service.ts b/src/components/services/date.service.ts
index 7a4a187..d263e41 100644
--- a/src/components/services/date.service.ts
+++ b/src/components/services/date.service.ts
@@ -6,6 +6,7 @@ export class DateService {
       year: 'numeric',
       hour: '2-digit',
       minute: '2-digit',
+      second: '2-digit',
     });
   }
 }
\ No newline at end of file
diff --git a/src/components/views/BankView.vue b/src/components/views/BankView.vue
index 9e7dfdc..e43f725 100644
--- a/src/components/views/BankView.vue
+++ b/src/components/views/BankView.vue
@@ -1,15 +1,18 @@
 <template>
-  <div class="hero-content flex-col text-center lg:p-6 pt-0">
-    <h1 class="text-8xl mt-5">{{ CurrencyService.toString(balance) }}</h1>
-    <h3 class="text-5xl font-bold mt-10">Kontoinhaber: John Doe</h3>
-    <h4 class="text-4xl mb-10">Kontonummer: 0000123456</h4>
+  <div
+    v-if="accountDetails"
+    class="hero-content flex-col text-center lg:p-6 pt-0"
+  >
+    <h1 class="text-8xl mt-5">{{ CurrencyService.toString(accountDetails.balance) }}</h1>
+    <h3 class="text-5xl font-bold mt-10">Kontoinhaber: {{ `${accountDetails.firstName} ${accountDetails.lastName}` }}</h3>
+    <h4 class="text-4xl mb-10">Kontonummer: {{ accountDetails.accountNumber }}</h4>
     <MoleculeTransactionTable
-      class="w-[42rem]"
-      :balance="balance"
-      :transactions="transactions"
+      class="w-[42rem] mb-24"
+      :balance="accountDetails.balance"
+      :transactions="accountDetails.transactions"
     />
   </div>
-  <div class="sticky flex place-content-center lg:gap-32 gap-16 bg-base-100 bottom-0 w-100 p-5">
+  <div class="fixed flex place-content-center lg:gap-32 gap-16 bg-base-100 bottom-0 lg:w-[calc(100%-16rem)] w-full p-5">
     <MoleculeInputModal
       :id="depositModalId"
       title="Einzahlung"
@@ -18,6 +21,7 @@
       @submit="handleDeposit"
     />
     <label
+      ref="depositModalLabel"
       class="btn gap-2"
       :for="depositModalId"
     >
@@ -32,6 +36,7 @@
       @submit="handleSalary"
     />
     <label
+      ref="salaryModalLabel"
       class="btn gap-2"
       :for="salaryModalId"
     >
@@ -46,6 +51,7 @@
       @submit="handleWithdraw"
     />
     <label
+      ref="withdrawModalLabel"
       class="btn gap-2"
       :for="withdrawModalId"
     >
@@ -62,97 +68,67 @@ import { CurrencyDollarIcon, ChevronDownIcon, ChevronUpIcon } from '@heroicons/v
 import MoleculeTransactionTable from '../molecules/MoleculeTransactionTable.vue';
 import MoleculeInputModal from '../molecules/MoleculeInputModal.vue';
 import { onKeyStroke } from '@vueuse/core';
+import { BankService, TransactionType } from '../services/bank.service';
+import { onMounted, ref } from 'vue';
+import { IAccount } from '../../interfaces/account.interface';
+
+const DEMO_ACCOUNT_ID = '0000123456';
+
+const accountDetails = ref<IAccount>();
+const depositModalLabel = ref<HTMLLabelElement>();
+const salaryModalLabel = ref<HTMLLabelElement>();
+const withdrawModalLabel = ref<HTMLLabelElement>();
+
+onMounted(async () => {
+  // TODO: Remove this demo account id
+  accountDetails.value = await BankService.getAccountDetails(DEMO_ACCOUNT_ID);
+});
 
 const depositModalId = 'deposit-modal';
 const salaryModalId = 'salary-modal';
 const withdrawModalId = 'withdraw-modal';
-const balance = 135;
-const transactions: ITransaction[] = [
-  {
-    type: 'Kontoeröffnung',
-    date: new Date(2022, 7, 12, 17, 30, 0),
-    amount: 5,
-  },
-  {
-    type: 'Bargeldeinzahlung',
-    date: new Date(2022, 7, 12, 17, 30, 10),
-    amount: 100,
-  },
-  {
-    type: 'Gehalt',
-    date: new Date(2022, 7, 12, 17, 34, 10),
-    amount: 50,
-  },
-  {
-    type: 'Gehalt',
-    date: new Date(2022, 7, 12, 17, 34, 10),
-    amount: 50,
-  },
-  {
-    type: 'Gehalt',
-    date: new Date(2022, 7, 12, 17, 34, 10),
-    amount: 50,
-  },
-  {
-    type: 'Gehalt',
-    date: new Date(2022, 7, 12, 17, 34, 10),
-    amount: 50,
-  },
-  {
-    type: 'Gehalt',
-    date: new Date(2022, 7, 12, 17, 34, 10),
-    amount: 50,
-  },
-  {
-    type: 'Gehalt',
-    date: new Date(2022, 7, 12, 17, 34, 10),
-    amount: 50,
-  },
-  {
-    type: 'Gehalt',
-    date: new Date(2022, 7, 12, 17, 34, 10),
-    amount: 50,
-  },
-  {
-    type: 'Gehalt',
-    date: new Date(2022, 7, 12, 17, 34, 10),
-    amount: 50,
-  },
-  {
-    type: 'Gehalt',
-    date: new Date(2022, 7, 12, 17, 34, 10),
-    amount: 50,
-  },
-  {
-    type: 'Gehalt',
-    date: new Date(2022, 7, 12, 17, 34, 10),
-    amount: 50,
-  },
-  {
-    type: 'Bargeldauszahlung',
-    date: new Date(2022, 7, 15, 18, 26, 0),
-    amount: -20,
-  },
-].sort((a, b) => b.date.getTime() - a.date.getTime());
 
-
-
-onKeyStroke('e', (e) => {
+onKeyStroke(['e', 'g', 'a'], (e) => {
   e.preventDefault();
-  console.log('e pressed');
-  // TODO: open deposit modal
+  switch (e.key) {
+  case 'e':
+    depositModalLabel.value?.click();
+    break;
+  case 'g':
+    salaryModalLabel.value?.click();
+    break;
+  case 'a':
+    withdrawModalLabel.value?.click();
+    break;
+  }
 });
 
-function handleDeposit(amount: number) {
-  console.log('Deposit:', amount);
+async function handleDeposit(amount: string) {
+  const amountNumber = parseInt(amount);
+  if(!isNaN(amountNumber)) {
+    updateTransactions(await BankService.addTransaction(DEMO_ACCOUNT_ID, amountNumber, TransactionType.DEPOSIT));
+  }
 }
 
-function handleSalary(amount: number) {
-  console.log('Salary:', amount);
+async function handleSalary(amount: string) {
+  const amountNumber = parseInt(amount);
+  if(!isNaN(amountNumber)) {
+    updateTransactions(await BankService.addTransaction(DEMO_ACCOUNT_ID, amountNumber, TransactionType.SALARY));
+  }
 }
 
-function handleWithdraw(amount: number) {
-  console.log('Withdraw:', amount);
+async function handleWithdraw(amount: string) {
+  const amountNumber = parseInt(amount);
+  if(!isNaN(amountNumber)) {
+    updateTransactions(await BankService.addTransaction(DEMO_ACCOUNT_ID, amountNumber, TransactionType.WITHDRAW));
+  }
+}
+
+function updateTransactions(transaction: ITransaction) {
+  if(accountDetails.value) {
+    accountDetails.value.balance += transaction.amount;
+    accountDetails.value.transactions.unshift(transaction);
+  }
 }
 </script>
 
diff --git a/src/interfaces/account.interface.ts b/src/interfaces/account.interface.ts
new file mode 100644
index 0000000..5ea2456
--- /dev/null
+++ b/src/interfaces/account.interface.ts
@@ -0,0 +1,9 @@
+import { ITransaction } from './transaction.interface';
+
+export interface IAccount {
+  accountNumber: string;
+  firstName: string;
+  lastName: string;
+  balance: number;
+  transactions: ITransaction[];
+}
\ No newline at end of file
diff --git a/src/interfaces/transaction.interface.ts b/src/interfaces/transaction.interface.ts
index d600eab..ee14ad2 100644
--- a/src/interfaces/transaction.interface.ts
+++ b/src/interfaces/transaction.interface.ts
@@ -1,5 +1,5 @@
 export interface ITransaction {
-  type: string;
-  date: Date;
+  label: string;
   amount: number;
+  date: Date;
 }
\ No newline at end of file