diff --git a/src/app.module.ts b/src/app.module.ts
index 0bc7d3c..9180627 100644
--- a/src/app.module.ts
+++ b/src/app.module.ts
@@ -1,9 +1,10 @@
+import 'dotenv/config';
 import { Module } from '@nestjs/common';
 import { MongooseModule } from '@nestjs/mongoose';
 import { TasksModule } from './services/tasks/tasks.module';
 import { ScheduleModule } from '@nestjs/schedule';
 import { VideoModule } from './repositories/video/video.module';
-import { ConfigModule } from '@nestjs/config';
+import { ConfigModule, ConfigService } from '@nestjs/config';
 import { PublishingModule } from './services/publishing/publishing.module';
 import { CreatorModule } from './repositories/creator/creator.module';
 import { UserModule } from './repositories/user/user.module';
@@ -72,7 +73,14 @@ const mongoUrl = process.env.CORE_MONGODB_URL || 'mongodb://mongo:27017';
     UserAccountModule,
     ApiModule,
     VotingModule,
-    JwtModule,
+    JwtModule.registerAsync({
+      imports: [ConfigModule],
+      inject: [ConfigService],
+      useFactory: async (configService: ConfigService) => ({
+        secretOrPrivateKey: configService.get<string>('JWT_PRIVATE_KEY'),
+        signOptions: { expiresIn: '30d' },
+      }),
+    }),
   ],
   controllers: [],
   providers: [],
diff --git a/src/services/api/api.module.ts b/src/services/api/api.module.ts
index 48c8048..179b861 100644
--- a/src/services/api/api.module.ts
+++ b/src/services/api/api.module.ts
@@ -1,3 +1,4 @@
+import 'dotenv/config';
 import { Module } from '@nestjs/common';
 import { ApiController } from './api.controller';
 import { AuthModule } from '../auth/auth.module';
@@ -8,6 +9,7 @@ import { EmailModule } from '../email/email.module';
 import { LinkedAccountModule } from '../../repositories/linked-accounts/linked-account.module';
 import { RequireHiveVerify } from './utils';
 import { JwtModule } from '@nestjs/jwt';
+import { ConfigModule, ConfigService } from '@nestjs/config';
 
 @Module({
   imports: [
@@ -17,9 +19,13 @@ import { JwtModule } from '@nestjs/jwt';
     HiveModule,
     LinkedAccountModule,
     EmailModule,
-    JwtModule.register({
-      privateKey: process.env.JWT_PRIVATE_KEY,
-      signOptions: { expiresIn: '30d' },
+    JwtModule.registerAsync({
+      imports: [ConfigModule],
+      inject: [ConfigService],
+      useFactory: async (configService: ConfigService) => ({
+        secretOrPrivateKey: configService.get<string>('JWT_PRIVATE_KEY'),
+        signOptions: { expiresIn: '30d' },
+      }),
     }),
   ],
   controllers: [ApiController],
diff --git a/src/services/api/dto/LoginSingleton.dto.ts b/src/services/api/dto/LoginSingleton.dto.ts
index be6ba88..c969be8 100644
--- a/src/services/api/dto/LoginSingleton.dto.ts
+++ b/src/services/api/dto/LoginSingleton.dto.ts
@@ -1,5 +1,13 @@
 import { IsNotEmpty } from 'class-validator';
 import { ApiProperty } from '@nestjs/swagger';
+import crypto from 'crypto';
+import { PrivateKey } from '@hiveio/dhive';
+
+const privateKey = PrivateKey.fromSeed(crypto.randomBytes(32).toString('hex'));
+const message = { account: 'sisygoboom', ts: Date.now() };
+const signature = privateKey
+  .sign(crypto.createHash('sha256').update(JSON.stringify(message)).digest())
+  .toString();
 
 /**
  * Data Transfer Object (DTO) for login singleton hive
@@ -16,7 +24,7 @@ export class LoginSingletonHiveDto {
       ts: {
         type: 'number',
         description: 'Timestamp of the proof payload',
-        example: 1625158800,
+        example: Date.now(),
       },
       account: {
         type: 'string',
@@ -24,6 +32,7 @@ export class LoginSingletonHiveDto {
         example: 'user123',
       },
     },
+    example: message,
   })
   proof_payload: {
     ts: number;
@@ -37,7 +46,7 @@ export class LoginSingletonHiveDto {
   @ApiProperty({
     description: 'Proof string for authentication',
     type: 'string',
-    example: 'proofString123',
+    example: signature,
   })
   proof: string;
 }
diff --git a/src/services/auth/auth.module.ts b/src/services/auth/auth.module.ts
index 9ab5a58..7fa8417 100644
--- a/src/services/auth/auth.module.ts
+++ b/src/services/auth/auth.module.ts
@@ -1,8 +1,7 @@
-import 'dotenv/config';
 import { MiddlewareConsumer, Module, NestModule } from '@nestjs/common';
 import { AuthService } from './auth.service';
 import { PassportModule } from '@nestjs/passport';
-import { JwtModule, JwtService } from '@nestjs/jwt';
+import { JwtModule } from '@nestjs/jwt';
 import { JwtStrategy, LocalStrategy } from './auth.strategy';
 import { UserModule } from '../../repositories/user/user.module';
 import { UserAccountModule } from '../../repositories/userAccount/user-account.module';
@@ -19,18 +18,25 @@ import { ConfigModule, ConfigService } from '@nestjs/config';
     ConfigModule,
     UserModule,
     UserAccountModule,
-    UserModule,
     HiveAccountModule,
     HiveModule,
     EmailModule,
     SessionModule,
     PassportModule.register({ defaultStrategy: 'jwt' }),
-    JwtModule.register({
-      privateKey: process.env.JWT_PRIVATE_KEY,
-      signOptions: { expiresIn: '30d' },
+    JwtModule.registerAsync({
+      imports: [ConfigModule],
+      inject: [ConfigService],
+      useFactory: async (configService: ConfigService) => {
+        const key = configService.get<string>('JWT_PRIVATE_KEY');
+        console.log(key);
+        return {
+          secretOrPrivateKey: key,
+          signOptions: { expiresIn: '30d' },
+        };
+      },
     }),
   ],
-  providers: [AuthService, LocalStrategy, JwtService, ConfigService, JwtStrategy],
+  providers: [AuthService, LocalStrategy, JwtStrategy, ConfigService],
   controllers: [AuthController],
   exports: [AuthService],
 })
diff --git a/src/services/auth/auth.strategy.ts b/src/services/auth/auth.strategy.ts
index aaccfaf..b61833d 100644
--- a/src/services/auth/auth.strategy.ts
+++ b/src/services/auth/auth.strategy.ts
@@ -5,6 +5,7 @@ import { Injectable, UnauthorizedException } from '@nestjs/common';
 import { AuthService } from './auth.service';
 import { ExtractJwt } from 'passport-jwt';
 import 'dotenv/config';
+import { ConfigService } from '@nestjs/config';
 
 @Injectable()
 export class LocalStrategy extends PassportStrategy(StrategyLocal) {
@@ -23,8 +24,8 @@ export class LocalStrategy extends PassportStrategy(StrategyLocal) {
 
 @Injectable()
 export class JwtStrategy extends PassportStrategy(Strategy) {
-  constructor() {
-    const jwtPrivateKey = process.env.JWT_PRIVATE_KEY;
+  constructor(configService: ConfigService) {
+    const jwtPrivateKey = configService.get<string>('JWT_PRIVATE_KEY');
     if (!jwtPrivateKey) throw new Error('Missing JWT_PRIVATE_KEY in .env');
     super({
       jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
diff --git a/src/services/uploader/uploading.module.ts b/src/services/uploader/uploading.module.ts
index fe14229..97f1985 100644
--- a/src/services/uploader/uploading.module.ts
+++ b/src/services/uploader/uploading.module.ts
@@ -9,6 +9,7 @@ import { PublishingModule } from '../publishing/publishing.module';
 import { HiveModule } from '../../repositories/hive/hive.module';
 import { JwtModule } from '@nestjs/jwt';
 import { RequireHiveVerify, UserDetailsInterceptor } from '../api/utils';
+import { ConfigModule, ConfigService } from '@nestjs/config';
 
 @Module({
   imports: [
@@ -17,9 +18,13 @@ import { RequireHiveVerify, UserDetailsInterceptor } from '../api/utils';
     IpfsModule,
     PublishingModule,
     HiveModule,
-    JwtModule.register({
-      privateKey: process.env.JWT_PRIVATE_KEY,
-      signOptions: { expiresIn: '30d' },
+    JwtModule.registerAsync({
+      imports: [ConfigModule],
+      inject: [ConfigService],
+      useFactory: async (configService: ConfigService) => ({
+        secretOrPrivateKey: configService.get<string>('JWT_PRIVATE_KEY'),
+        signOptions: { expiresIn: '30d' },
+      }),
     }),
   ],
   controllers: [UploadingController],