Build iphone authentication application jobs

...iOS, and Android who can help make my vision come to life. Key requirements include: - Developing a mobile application on the aforementioned platforms. - Implementing features such as user authentication, API integration and medium level customizations into the app. The ideal freelancer for this project should have: - Strong expertise in Flutter, iOS, and Android development. - Extensive experience with API integration and customization. - A keen understanding of user authentication processes. Using this as a base code for the platform: Your main responsibility will be to take the foundational ideas I have and develop them into a functional application. Please bid if you feel you have the qualifications to fulfill this role and we can discuss the specif...

Hi, I need 3D icons in the following style as shown in the attachments . The icons shall be black, 3D and they shall have an ability to move during the hover. I want 10 icons. You can use Figma or Sketch please. Any other tools are also fine, just tell the name in the chat.

I'm seeking a skilled penetration tester with a focus on web applications. I need you to identify vulnerabilities in a white box (full knowledge) environment. Key responsibilities include: - Conducting in-depth testing on web applications to uncover potential security issues. - Providing detailed reports of vulnerabilities detected, including their potential impacts. Ideal candidates should have: - Extensive experience with penetration testing, particularly focused on web applications. - Strong knowledge of cybersecurity, network security, and ethical hacking. - Ability to work in a white box environment, using full knowledge to simulate real-world threats. Your work will be crucial to ensuring the security and integrity of our web applications.

I'm looking for a skilled web app developer who would build a comprehensive communication platform using Django. Here's what I envision: Design: • I don't have a specific theme or design in mind and I'm open to suggestions. Striking a balance between user-friendliness and visual appeal is key. Functionalities: • Key features of the platform include Instant messaging and File sharing. Authentication: • Yes, the platform needs to be secure. User authentication and management are essential components. Skills and Experience: • Proficiency in Django is essential • Sound understanding of front-end technologies • Proficient in cloud databases management • Previous experience in developing communication platforms wi...

...securely deliver code updates to users(future updates). Your Mission: Design and implement a backend system that securely validates license keys against our database. Create API endpoints for the client-side application to communicate with the key validation system. Develop a mechanism to securely package and deliver updated code to users. Collaborate with me to integrate the update system seamlessly into my existing Python code. Required Skills & Experience: Strong Python development experience (demonstrable portfolio or past projects). Expertise in secure backend development, authentication, and encryption. Solid understanding of API development principles (RESTful APIs are a plus). Experience with database systems (MySQL, PostgreSQL, etc.). Ability to write cle...

Exciting opportunity for a proficient Python developer to craft a purposeful web application. Primary Responsibilities: - Develop a web application primarily focusing on: * User registration and login system * An efficient billing system connected to the login setup Skills & Experience: - Proficiency in Python is crucial - Solid understanding of web applications and their development - Past work with user registration and billing systems will add significant advantage - Appreciation for detail to ensure a seamless user experience Your role will be pivotal in the development of this essential application. If this seems like your kind of challenge and you have the necessary skills, please bid. Looking forward to reviewing your proposals.

I'm in need of a skilled Java developer who has experience in creating desktop applications. Specifically, I'm looking for someone to help me design a Application for my chrome based Kitchen Display System software. Key Points: - Proficiency in Java: Your expertise in Java programming is essential for this project as it will be the primary language used for the development. - Desktop Application Experience: Experience in creating desktop applications is a must. It would be beneficial if you have worked on similar projects in the past. - Kitchen Display System Knowledge: An understanding of the features and requirements of Kitchen Display Systems would be a major advantage. - Collaborative and Reliable: I'm looking for a freelancer who is communicative, reliab...

...Flask application tailored for Google Assistant action. This application will meet crucial functional requirements such as: • User Login • OAuth integration Key Features and Functionality: • Users should be able to link their accounts to Google Assistant via OAuth. This will require secure login functionality in the application. • I am seeking an OAuth integration that will make use of email and password authentication. This method should be the sole option for users authenticating their accounts. Ideal Bids: I'm interested in seeing past work directly related to this project scope. It's important that your experience is supported by demonstrable previous projects. The complexity of what I need should be reflected in your ...

Project Overview: The project aims to transfer WhatsApp Business data from an Android device to an iPhone 12 seamlessly. The successful completion of this project will ensure the continuity of business communications and data on the new iPhone device. Project Objectives: 1. Transfer all WhatsApp Business chats, contacts, media, and settings from the Android device to the iPhone 12. 2. Ensure that the transferred data is accurate, complete, and accessible on the iPhone 12. 3. Minimize downtime and disruptions to business communications during the transfer process. 4. Provide a user-friendly and efficient transfer method for users without the risk of data loss or corruption.

...skilled full-stack developer to build the backend for my web application. The application should have: - User authentication: The ability for users to create accounts, log in securely and manage their profile. - Data storage and retrieval: I need a system to store and retrieve various types of data within the application. - API integration: The backend should be able to communicate with external APIs, enhancing the functionality and enriching the user experience. Ideal skills and experiences for this project include: - Proficiency in back-end programming languages such as Node.js, Python, or Ruby on Rails. - Strong understanding of database management and experience with SQL or NoSQL databases. - Previous experience with building secure user authen...

I'm looking for a talented Bubble developer to create a WebApp for the member's area of my online course. Key Features: - User Registration and Login: Secure system for user authentication. - Course Content Management: Ensuring smooth and organized access to course materials. - Progress Tracking: Members should be able to view their progress and completed tasks. - Support Page: A space where they can ask questions and get help. - Tools: Incorporation of simple tools for calculations like body fat percentage index. Design Aesthetic: - Minimalist: A clean, simple and organized design to ensure focus on content and functionality. Skills and Experience: - Proficiency in Bubble development. - Previous experience with building member's areas and online courses. - Design...

I'm looking for an intermediate React.js developer with good knowledge of JavaScript to assist in updating an existing application. The primary goal of the project is to add new features to the application. As an intermediate developer, you will be expected to work independently on the project. Your ability to interpret the requirements and implement them effectively is crucial. If you have a portfolio or previous projects in a similar vein, please provide them. Looking forward to your bids.

I'm seeking a skilled developer to create a Windows application that focuses on communication for individual users. The essential feature of the application is real-time data processing. Proficiency in user interface design, real-time data processing, and windows software development are crucial for this project. Experience in communication applications would be beneficial. Key Requirements: - Proficient in Windows application development. - Specialization in real-time data processing. - Background in developing communication tools. - Ability to complete the job within stipulated timeline.

...and update their profiles within the app. Authentication and Authorization: - Email and Password Login: The app should have a secure email and password login system for user authentication. - Integration with an Existing User Database: The app should be able to interact with an existing user database for seamless user experience. Data Management: - Storing User Data: The app should store user data both locally and on a remote server. - User Profile Maintenance: Users should have the ability to edit and update their profiles through the app. This project requires a developer with strong expertise in JavaScript, CSS, HTML, React, and Node.js, as well as experience in developing apps with similar features. A deep understanding of user authentication and data managem...

I'm looking for an experienced developer to add an email notification to the website owner when any user ask to become a member. Your role will include: able to figure out how the owner can have members approved other than through the portal? The ideal applicant has experience in Wix's backend features, and can provide samples of their previous work with user authentication systems. Knowledge in creating user-friendly, efficient, and secure login systems is a must.

...developer capable of crafting a mobile cryptocurrency wallet specifically for Android. The potential freelancer should ensure the wallet includes: - Real-time tracking of cryptocurrency value to keep users updated about the market trend. - Basic transactional capabilities, allowing the sending and receiving of cryptocurrencies. - Advanced security features are critical. This includes two-factor authentication, biometric access, to reinforce the wallet's security. - Lastly, the wallet should be capable of funding projects (This means that users can seek for funding in crypto using the app aswell). The ideal candidate should have experience developing Android applications, with a specific focus on financial or cryptocurrency-based systems, displaying a strong understandin...

I'm looking for an experienced DevOps specialist to optimize my Hostinger VPS. Here are the key details: - **Cloud Platform**: My VPS is hosted on Hostinger and I'm not planning to migrate to any other platform. - **Setup and Configuration**: I've already set up the VPS and configured some basic settings. You can refer to the documentation I've attached for further details on the current setup. - **Key Requirements**: The main task I'd like you to help me with is optimizing the server. This includes enhancing its performance, efficiency, and reliability. Ideal skills and experience for this job include: - Strong understanding ofVPS. - Excellent knowledge of independent handling of the project - Excellent knowledge of DevOps - Proven experience in web applicati...

Having already established a web application, I'm seeking a proficient Swift developer to replicate and improve the functionalities of this existing application into a Swift mobile app. Key Project Details: * You will be using my existing web app as a basis for the Swift app. * The app must include specific features such as user authentication and in-app Purchases. Prior experience in developing these features is necessary. * The final product should be compatible with both iOS and Android platforms. Ideal skills: * Proficiency in Swift development * Experience in converting web apps to mobile apps * Knowledge of cross-platform app development * Experience in implementing user authentication and in-app Purchases.

...the protection and immutability of all recorded data. API Development: 1) Create a communication link between the website and the blockchain network. 2) Secure the data exchange during transmission and reception. Unique Identification Generation: 1) Generate unique codes for each unit of energy produced. 2) Associate these codes with specific solar inverters and corresponding records. Authentication and Security: 1) Ensure data security during transfer and storage processes. 2) Restrict system access to authorized users only. Real-Time Monitoring and Verification: 1) Enable users to verify the authenticity of the energy certificates they wish to purchase. 2) Establish a transparent system for users to track the source of the energy. Wallet Integration: 1) Develop a secu...

I'm in need of an experienced React Native developer savvy in integrating a website with an app. Key Responsibilities: - Linking my existing website to its corresponding mobile application - There will be no need to create additional features such as user authentication, push-notifications, or in-app purchases. Ideal Candidate: - Have extensive experience in React Native and web-app integration - Can provide samples of past work or a detailed project proposal - Can deliver in a timely manner Why This Project? Though I omitted the exact objective of this project, one of the purposes could be enhancing user experience, increasing customer engagement, or expanding market reach. If any or all these resonate with you, I'd love to hear your take on how you can he...

I require a custom-built SaaS application allowing users to subscribe, access pre-built templates, and generate content using AI tools for text and image creation. The platform will feature three user levels: user, admin, and superadmin, with functionalities including subscription plans, Stripe/PayPal payment integration, admin panel for template management, multilingual support, and AI training capabilities. The application will be dynamic and 100% owned source code without reliance on third-party scripts.

Good afternoon. Dear; I'm looking for a developer to create an app for iPhone and Android, using the Opengts enterprise system.

I'm seeking a professional Android developer to create a comprehensive application that will help users locate nearby fuel stations and access real-time fuel rates within their locality. The application should include the following features: - User Login/Authentication: Users must be able to sign up, log in securely, and access personalized features. - Push Notifications: Integration of push notifications to keep users updated on the latest fuel prices and other important information. - In-App Purchases: The application should allow users to make purchases within the app, such as premium services or features. - Location of Nearby Petrol Stations: Integration of GPS functionality to locate nearby petrol stations. - Real-time Fuel Rates: Providing users with...

Looking for an experienced Golang / PostgresSQL / AWS Cognito / Clover developer to build a comprehensive backend API. The backend must include functionalities for business and customer registration, discount management, Clover integration, and robust security measures. Key Responsibilities: Backend API Development: Develop a modular and scalable backend API using Golang to support the app's functionalities. Implement endpoints for business registration, customer registration, discount creation, management, and redemption. Customer Registration and Authentication: Design and implement a secure system for customer registration and authentication using AWS Cognito, including email verification and password management. Integrate OAuth for social login options (e.g...

Please read carefully and budget the total and actual value. I need to build a web application identical to , except it will not have the web editor functionality. Only offers with detailed technology to be used, development milestones, and their costs will be considered. No questions will be answered, as it is very clear. Knowledge of the Spanish language is valued. Quote: Total project price and time, segregated by milestones and timelines. Each milestone must be implemented in the assigned testing environment, bugs corrected, and documentation for the milestone delivered for payment release.

I am seeking experienced Python and Flutter developers with a strong background in AI for an upcoming software development project. The software should primarily work to enhance business efficiency through intelligent data analysis and machine learning applications. Key Features: - Capable of performing complex data analysis. - Incorporate sophisticated machine learning algorithms. Purpose and Users: This tool will be used in construction industry by engineers and contractors for communication of Instructions and development of IPOs. Skills and Experience Required: - Expert knowledge of Python and Flutter. - Proven experience in AI, particularly machine learning. - Experience in developing data analysis tools. - Familiarity with developing software applications for construction co Summa...

I need a developer to create a biometric registration application, either for mobile or web use. The application should read fingerprints and allow users to register if they are not already in the system. Key Features: - Fingerprint Reading: The app should be able to scan and authenticate fingerprints accurately. - User Registration: Users should be able to register themselves in the system through the app if they are not in the database. - User Options: The app should provide users with options, preferably 10, 20, etc. - Admin Panel: The system should have a secure admin panel with user id and password for monitoring and managing the database. - A person is allowed to scan fingerprint once every day. If a person tries to scan fingerprint 2nd time in same it should display...

I'm seeking a skilled Java developer for the creation of a web application, focusing chiefly on user authentication. This project will require: - Comprehensive Java application development experience - Expertise in designing effective user authentication systems - Strong problem-solving capabilities for potential debugging Ideal applicant should have a solid track record in producing secure and efficient Java code for web applications. The goal will be to create a maeven project of an application capable to interacting with Primavera P6 EPPM . To do that the applicant must install trial version of P6 EPPM and read this two guide : ?

I'm in need of a Python developer experienced in entries/trades and exits based on indices for the KITE and ICICI Direct trading platforms. Key Responsibilities: - Develop an algorithm that authenticates automatically onto the KITE platform for trade execution and monitoring. - The algorithm must trigg...time and indices performance before exiting any trade. The ideal candidate should have: - Experience in developing automated trading systems, particularly indices based trades - Strong knowledge and working experience with Python - Experience with trading on the KITE and ICICI Direct platform - Demonstrated understanding of nifty and Banknifty indices - Ability to implement an automatic authentication system - Understanding of the importance of time sensitivity in trad...

I want ERP and CRM package software with Saas version standard features and menus. The features I want add python, node js, golang, java, javascript example: The investment I made. I want to receive it as soon as possible. ready package software. or redoing it from scratch. using open source No problem.

I want ERP and CRM package software with Saas version standard features and menus. The features I want add python, node js, golang, java, javascript example: The investment I made. I want to receive it as soon as possible. ready package software. or redoing it from scratch. using open source No problem.

...contribute to the fullstack development of a web-based SaaS application based on MERN Stack. This is a short term project involving working on and refining pre-existing code, and implementing new features using React 18, Redux Toolkit, Material-UI (MUI), MongoDB, , and RESTful APIs. Product details will be discussed with the candidate during onboarding. Key Responsibilities: - Work on enhancing the existing codebase for both Frontend (React, Redux Toolkit, MUI) and Backend (Node, Express, MongoDB). - Derive from the already selected MUI component library and implement Material-UI components for a sleek and user-friendly interface. - Integrate frontend with backend for end-to-end user flows - Implementing functionalities for authentication, tenant management, third party ...

I'm in need of a Python developer experienced in entries/trades and exits based on indices for the KITE and ICICI Direct trading platforms. Key Responsibilities: - Develop an algorithm that authenticates automatically onto the KITE platform for trade execution and monitoring. - The algorithm must trigg...time and indices performance before exiting any trade. The ideal candidate should have: - Experience in developing automated trading systems, particularly indices based trades - Strong knowledge and working experience with Python - Experience with trading on the KITE and ICICI Direct platform - Demonstrated understanding of nifty and Banknifty indices - Ability to implement an automatic authentication system - Understanding of the importance of time sensitivity in trad...

I need a proficient ...need a proficient tester experienced in Java, Selenium and Appium for automation testing of my application's main functionalities: User Authentication, Data Processing and User Interface Interaction. Knowledge in these areas is crucial: - User Authentication: Ensuring correct and secure user login and registration. - Data Processing: Confirming accurate data input, storage, and retrieval mechanisms. - User Interface Interaction: Verifying user interactions are responsive and correctly implemented. Familiarity with Selenium and Appium for automation testing is essential. You will be tasked with creating, executing, and managing tests to ensure the application is performing as expected. Looking for someone who is detail-oriented and can prov...

I'm keen to find a well-versed ASP.NET MVC core developer to work on building a project from scratch. This task includes: - 4 Web Forms using Razor View and 4 Listing page with Filtering and Search feature. - Code first approach - Wire frames will be shared with shortlisted deve...scratch. This task includes: - 4 Web Forms using Razor View and 4 Listing page with Filtering and Search feature. - Code first approach - Wire frames will be shared with shortlisted developer. - Entire code project need to share. - SQL Server DB. Key skills required: - Mastery in ASP.NET MVC core - Proficiency in Entity Framework and Identity Framework - Profound understanding of user authentication protocols - Demonstrable experience with responsive design - Ability in creating professional, cor...

I'm in search of a proficient full stack developer, with a specific skill set in JavaScript, Node, React, and Material science for my custom web application development project. Key Functionalities: - User authentication and authorization - Database integration - Payment gateway integration Ideal Skills: - JavaScript - Node - React - Material Science This project calls for an individual with experience in the listed areas. You'll be tasked to ensure effective implementation of these key features and deliver a robust, user-friendly custom web application. I look forward to working with a dedicated and solution-oriented professional.

I am seeking a PHP developer to create a secure CURL script that logs into a remote FTP server using a username, password, and PEM certificate to upload a file, list files and download a file. You will need to: - Set up the CURL script to handle both username, password, and a PEM certificate. - Ensure that the script succes...to upload a file, list files and download a file. You will need to: - Set up the CURL script to handle both username, password, and a PEM certificate. - Ensure that the script successfully authenticates with the FTP server using these credentials. - Offer 4 functions (connect, upload, list, download) - Implement error handling and logging to deal with any issues that may arise during the authentication process. A well-documented and clean codebase is ap...

My existing website, whi...Integration: The website should have a seamless and robust database integration system. - User Authentication: The developer should ensure a secure and uncomplicated user authentication process. - Secure Payment Gateway Integration: A flawless and safe payment interface is a must. Furthermore, our current website's visual dynamics, comprising colors, fonts, and images, need to be revamped. Here's the interesting part, I come equipped with a comprehensive style guide to provide a solid groundwork for the redesign. The ideal professional for this project will have a strong understanding of user interface, experience working with Codeigniter, and a knack for turning style guides into engaging web pages. Let's build a visually st...

I'm seeking a skilled freelancer to create a Graphical User Interface (GUI) for my Windows desktop application. Key Responsibilities: - Develop a user-friendly and intuitive interface. - Primarily incorporate input data forms functionality. - Link the GUI with python code at the backend to send the input data and fetch some results after calculation and display it. Ideal Candidate: - Proven experience in GUI development, ideally with Windows desktop applications. - Proficiency in creating forms for user input. - Excellent attention to detail and commitment to creating a user-centric design. - Strong understanding of Windows OS software compatibility. Your objective will be to create a GUI that is not only visually appealing but also incredibly user-friendly and efficient f...

I'm in need of an expert who can set up a robust notification system for my web application. The notifications should be able to work seamlessly on both mobile phones and desktops, whether the browser window is open or closed. Key Requirements: 1) Push Notification when web Application is open(Desktop/Phone/Pad etc) 2) In Mobile when WebApplication is not open in any browser then it show alert/notification mobile defaults notification bar & and in desktop if notification access allowed yes then also show in desktop whete the WebApplication is open or not in any browser. - Types of Notifications: I require push notifications to be sent across both platforms. Specifically, the push notifications should be as personalized as possible, akin to the notifications that ar...

Try and Buy Application Description: The Try and Buy Platform is an web application that allows users to try products before making a purchase. It provides a platform for customers to browse, select, and order products. Features: User Registration and Authentication: Users can register for an account and log in securely using Azure B2C. Product Catalog: Users can browse through a catalog of products. Product Details: Users can view detailed information about each product, including images, descriptions, specifications, pricing. Try Before Buy: Users can select products they're interested in and add them to their "Try Before Buy" cart. Order Placement: Users can place an order for the selected products, specifying delivery address and payment informat...

I'm looking for a skilled developer to create an online exam web application with the following features: - User registration and login - Exam creation and management - Question bank and randomization - Timer and exam duration - Results and grading - Secure data storage - Facial recognition for proctoring - Screen sharing for proctoring - Browser lockdown for proctoring - Support for multiple choice and/or essay questions The ideal candidate should have experience in: - Developing web applications with complex features - Implementing proctoring technologies, especially facial recognition - Data security and encryption - UI/UX design for customizable and flexible interfaces Please share your relevant experience and any similar projects you've worked on.

...HAVE READ THE PROJECT DESCRIPTION" before bidding. If you do not do this, I will ignore your bid. UPDATE 2: Files will need to be in vector format so I can resize them. Thanks ------------------------------------------------------------------------------------------------------------------------------ I'm in need of high-quality 3D renderings (images) to be used in a mobile application I'm developing for both iPhone and Android platforms. The renderings will not be of architectural, products or landscapes - they will be purely abstract 3D images in various colours. Ideal skills & Experience: - Proficiency in 3D modeling and rendering software - Understanding of color theory to create appealing images - Portfolio of prior 3D renderings, especially...

I'm in need of a skilled developer to create a web application that will allow users to upload multiple images at once. This is the main function of the application and it's important that it's seamless and user-friendly. KEY REQUIREMENTS: - Development for the Web platform - Primary functionality: Image upload - Allow users to upload multiple images at once SKILLS & EXPERIENCE: - Proficient in web application development - Strong understanding of user experience - Prior experience with multiple image uploads - Ability to ensure a smooth and intuitive interface - Knowledge of best practices for image management on the web

I'm looking for a seasoned Python/Django developer to create a clean, minimalistic mobile application. Key functionalities desired: - User registration and OTP authentication - Interface to specify information - Database interaction The design should be minimalistic and clean to ensure smooth user navigation and an aesthetically pleasing experience. Ideal candidates must be proficient in Python, specifically Django, with a strong background in mobile application development and understanding of user authentication processes and database operations. Prior experience working on similar projects is highly preferred.

I'm on the hunt for a proficient Node developer to assist in creating a compelling Stock Trading Application. Given the technical requirements of the project, a solid understanding of Node as a backend framework and MySQL as a preferred database is desired. Key functionalities to be developed: - User authentication and registration: Security of user data is paramount, so crafting a reliable and secure sign-up and login system is vital. - Real-time stock data updates: Proficiency in API integration and data visualization is crucial. The application should provide live updates on stock prices. - Trading algorithms: Ideal candidate should have a deep understanding of trading algorithms, capable of implementing such within the software. Previous experience developi...

Kindly refer to my sites www.brokersadda.com. As the client, I'm seeking a skilled Laravel and Vue.js expert to devise and implement a signup and login system for my website, utilizing both email and mobile OTP for user authentication. Presently there is signup and login with email. But I need to improve the system Key Tasks: - Develop a robust signup and login process using Laravel and Vue.js. - The authentication method should encompass both email and Mobile OTP. - Incorporating a 'Forgot Password' recovery function. - After a successful signup, facilitate user profile creation. This site was developed by me. But need help in various advanced features. Its an ongoing project and will need more features once we complete this part. Given that I already h...

I am seeking a freelancer with deep experience in .NET MVC project code and Azure databases who can assist me in deploying my project on Azure. The task specifically involves: • Investigating issues with my database co...deep experience in .NET MVC project code and Azure databases who can assist me in deploying my project on Azure. The task specifically involves: • Investigating issues with my database connectivity on Azure. • Identifying and resolving authentication-related errors I am currently encountering while using SQL Server authentication. The freelancer ideally could view these issues on my laptop setup and advise solutions accordingly. Knowledge of error diagnosis is critical. Understanding of Azure databases, .NET MVC projects and SQL Serv...

I am in urgent need of a knowledgeable Android Developer to assist in the creation of an exciting new application. Although I haven't settled on specific functionalities, user authentication, push notifications, and in-app purchases are possibilities that could be incorporated. Ideal Skills & Experience: - Proficient in Android app development - Prior experience with User Authentication, In-App Purchases, and Push Notifications - Proactive in providing suggestions on enhancing app functionality - Previous work in app development is highly preferred Please include in your application: - Your previous work experience, particularly in app development. - Any project proposals you might find useful for this project. The purpose of this Android app has ...

I need an experienced Android developer to create a vibrant, engaging app with several integrated features. The project will need skills related to: - User Authentication: Incorporating a secure login mechanism. - In-app Purchases: Setting up a simple and secure transaction process within the app. - Social Media Integration: As part of the app's User Interface, social media sign-on and sharing need to be flawlessly implemented. Aesthetics are crucial to this job; I'm looking for someone who can make the app colorful, catching the user's eye immediately. In terms of performance, we need a moderately complex app that will run smoothly on any Android device. The user experience should be seamless and straightforward, despite the backend complexity. If you have extens...