Opencart default payment methodpráce

...project. The client cleared the milestone payment, and it was marked as released on my Freelancer account. I even have proof in the form of screenshots showing the payment was released. According to Freelancer’s policy, the first withdrawal takes 15 days. I patiently waited the required 15 days, but when I attempted to withdraw my funds, I was informed that my postal code was incorrect. I promptly updated the postal code, yet I then received a message stating that my payment was blocked. When I contacted Freelancer support, I was told that the issue was related to the client’s account and that my payment would remain locked until the client resolves the issue. However, this situation is completely unfair to me. I delivered the project as agreed,...

I am currently self-representing in family court property settlement proceeding in Brisbane. While I have a strong understanding of my case, I am seeking the assistance of a qualified legal professional to navigate the complexities of court procedures and ensure compliance with all legal requir...strategic advice would be invaluable to me. - Familiarity with Australian family law regulations and statutes. I am open to discussing a flexible arrangement, such as hourly rates. Thank you for your time and consideration. I look forward to the possibility of working together. Need assistance with preparing an affidavit. Prioritize support with drafting legal documents. Please note, my preferred method of communication is email. Prioritize immediate assistance to ensure timely cour...

...developer to integrate the Konnect payment gateway into my Laravel eCommerce website. The project also involves connecting several delivery companies (First Delivery, Jetpack, Colissiomo) via their respective APIs. The key functionalities for the payment integration include secure checkout, refund processing and recurring payments. Also creating Abondonned cart feature for the website (e-commerce cart abandonment). Skills and Experience Required: - Proven expertise in Laravel development - Experience with eCommerce website development - Familiarity with Konnect payment gateway - Proficient in API integration with various delivery companies - Knowledge in implementing secure payment systems - Ability to incorporate refund processing and recurring payments int...

I need an experienced Linux system administrator to uninstall Elasticsearch from my Linux server and install OpenSearch in its place. There is no need to migrate any data or replicate any configurations from Elasticsearch, as I want to start fresh with default settings. Ideal Skills: - Proficiency with Linux server management - Expertise in Elasticsearch and OpenSearch - Experience with software uninstallation and installation - Ability to configure OpenSearch from default settings Please note: This project does not involve data migration or configuration replication. The task will be performed on AlmaLinux.

This is so I can send you the extra payment for the work on the window images.

I'm experiencing issues with my Stripe integration specifically related to subscription management in a MERN stack application. The main problem lies with subscription; they're not processing as they should. The ideal freelancer for this project should possess: - Extensive experience with Stripe's API, particularly in managing subscriptions. - Proficiency in MERN stack development. - Strong problem-solving skills to diagnose and fix integration issues. - Ability to deliver efficient and effective solutions under tight deadlines.

I'm seeking a skilled web developer to create a service-based website integrated with a reliable payment gateway.

I need a skilled web developer to create an e-commerce Wordpress website based on PSD design files I will provide. The site requires integration with MyCryptoCheckout and a credit card gateway for payment processing. Key Requirements: - Expert in Wordpress and e-commerce solutions - Proficient in converting PSD files into functional websites - Experience with integrating MyCryptoCheckout and credit card gateways - Ability to ensure the site is responsive and user-friendly Please note, specific e-commerce functionalities such as product search, customer reviews, and wishlist will not be needed for this project.

I'm looking to have a Laravel API developed for both user and admin sides of a web application. Key Features: - Admin Side: This will involve creating and saving company details and images. - User Side: Users will log in via Mobile OTP and will have the ability to post content (similar to OLX posts) with images. User Authentication: - I require Mobile OTP as the exclusive method for user authentication. Roles and Permissions: - There will be different levels of access for users and admins. The admin will have more privileges compared to a regular user. User Capabilities: - Once logged in, users should be able to: - Post content with images - View posts from others - Edit their own posts Ideal candidates should have extensive experience with Laravel and API deve...

...timers/windows ** Require 2 or 3 timer ** x second window to allow users to set playing parameters ** x second window (5 seconds?) to start game ** x second window showing previous game results or info - how game start - necessity for change of background as game progresses - how game ends User Gameplay Functions Standard Play - mandatory required to enter amount of gems to play - multiplier default blank (prompt user multiplier is blank and confirmation to proceed) - when game starts, [PLAY] button will show game in progress and not allow interaction - when game starts, [PLAY] button will change to a [STOP] button to allow user to end the game early with current multiplier Auto Play - User need to specify number of gems per game - User need to specify multiplier (MANDATORY unli...

I'm looking for a skilled developer to create an NFC program for payment processing in retail stores. Key Responsibilities: - Develop an NFC system that supports credit/debit card transactions. - Ensure the system is user-friendly and secure. - Implement the program in various retail store settings. Ideal Skills: - Strong experience in NFC technology. - Background in developing payment processing systems. - Familiarity with retail environments. - Excellent problem-solving skills to address potential challenges in real-time. Please provide evidence of your previous work in this area.

...available for our Timeline component Raster mapping Services to add the 6-10/8-14 day layers. These should function as intended by making use of the method to import a custom data source to a MapsGL instance. I suggest marking the layer style as raster when completing this process to ensure everything works as it should. The following example demonstrates how easy it is to integrate the MapsGL SDK and related weather layers into an InteractiveMapApp. Here we're adding the standard raster satellite layer and Tropical module(opens in a new tab) from the Javascript SDK along with the default radar and conditions-related weather layers built into the MapsGL SDK.

...us. The site should be specifically designed to attract new customers (who will subscribe via website) and service existing customers. The features should include: - A booking system with appointment scheduling, calendar integration, and a user self-service account management feature. This could be done through a 3rd party software - open to suggestions. - A seamless integration with the MYOB payment gateway. - A dynamic pricing model showcase. - Plus the usual sections for a marketing site: About us section, Services and Products sections, Contact us section and a couple of Landing pages (for social media advertising). We already have the designs of brand and key pages so the design of the website does not need to be worked on by a successful candidate. Ideal candidates sh...

Please register the businesses using the keywords I provided on Google Maps to my WordPress site. business name, phone number, detail, photo, location, region need to be added in category you can search just 1 city and use your method

I am looking for an expert in React and to help me build a dynamic, multipurpose e-commerce website. The site should have both admin and super admin features and accommodate sales of both physical and digital goods. Key requirements: - Comprehensive product sales support - Dual product type handling (physical & digital) - Integration of PayPal as the primary payment method Please share your estimated timeline and budget for this project. Thank you.

I'm loo...modifications to my current system. 1. Change User Authentication Method: - I want to overhaul the current user authentication system. The specifics can be discussed further but the goal is to improve user experience and security. 2. Implement PDF Sales: - I need to integrate a system that allows for the sale of PDF documents. This includes setting up a digital delivery system post-purchase. 3. Set Up Autopay Payment System: - I'm looking for a seamless implementation of an autopay payment system. This should be user-friendly and secure. Ideal skills for this job include: - Expertise in web development and system integration - Experience with e-commerce setup and digital product sales - Knowledge of secure payment systems - Previ...

...app is currently experiencing transaction failures with the Payu Payment Gateway. The app is based on website links only, it is not developed with native features. It is only handling the URL on clicking. Only login part is native. Other part of main features and all is only based on URL loading. As I found that the code is old and payment gateways before were allowing user to load payment gateway page for payment with webview. But when the google updated their terms and policies, the payment gateway provider also updated their libraries and only allows to pay via native features only not on the basis on webview link. Therefore, I need an experienced freelancer who can find a solution and fix the issues with the Payu Payment Gateway integra...

I'm looking for a skilled professional to design a 369 journal specifically tailored for manifestation tracking. This journal will need to be available in both digital and printed formats, with the printed version being a paperback. Key Requirements: - Design a journal focused on manifestation tracking - Create both digital and printe...manifestation tracking. This journal will need to be available in both digital and printed formats, with the printed version being a paperback. Key Requirements: - Design a journal focused on manifestation tracking - Create both digital and printed versions - Design the printed version as a paperback Ideal Skills: - Experience in journal or book design - Understanding of manifestation and the 369 method - Ability to create engaging and user-f...

I need a functional Excel spreadsheet created with customer data. I will provide all the necessary details including contact information, project start dates, and method of contact. The data should be organized by customer name. Ideal Skills: - Proficient in Excel - Experience in data entry and organization - Attention to detail

...to integrate revolut payment system on my website using the Revolut API. The setup involves automating a payment process, creating a weekly subscription, and handling user interactions seamlessly without the need for authentication. Key Project Aspects: 1. **Functionality**: - Upon clicking a payment button, the system should charge a one-time fee of $8 and then set up a weekly subscription for the same amount. 2. **Automation**: - The entire payment process (initial charge and subscription creation) should be fully automated post button click. - Users should only need to input their card details, with no other information required (e.g., email). - A successful payment should redirect users to a success page (e.g., /). - Any ...

Hello i am looking for help with a computer vision project. It is mostly available on a github ...Ffmpeg integration not needed. Pre processing stage will need exporting camera and smpl-x to fbx. and importing camera/smpl-x from fbx is a must have. rather than forced trace input》training. We can use example data from github for starters. I can also get data for single actor. Vitpose plus open pose for preprocessing needed for added accuracy. Fbx import and fbx export will be preferred method for camera and smpl-x. Custom SMPL-X Maya rig and cameras will be handled on my side. I will provide data for this. If trace camera and smpl-x data can be exported to me as fbx (from pre processing stage). I can set up the system on my side to match so my data can be parsed into the ...

...design compatibility. - Aim for logos with consistent dimensions to maintain uniformity. - Follow a strict file naming convention to ensure easy identification and retrieval. Skills and experience: - Proficient in using Google Sheets - Familiarity with blockchain and cryptocurrency logos is a plus - Attention to detail for filename accuracy Please organize the logos according to the following method: filename slugs are given, must append extension once found/downloaded. The project should be completed within 1 week. Logos should be compressed into a local zip file and shared upon completion. Logos should be downloaded as-is without any edits or adjustments. Use the highest quality logo available when multiple options exist. You can source the logos from any reliable website. Yo...

I'm seeking an expert to integrate payment options into my Google Forms. The preferred payment method is UPI via Google Pay, with additional support for Credit/Debit Cards and Net Banking. Key Requirements: - Implement UPI payment processing through Google Pay, alongside Credit/Debit Card and Net Banking options. - Set up automated receipts for all transactions. - Create a comprehensive Payment Tracking Dashboard. - Develop customizable payment confirmation messages. Ideal Skills: - Proficient in Google Forms and Google Pay integration. - Experience in setting up payment systems. - Ability to create user-friendly dashboards. - Capable of developing customizable automated messages. Please provide examples of similar projects you'...

I'm seeking a comprehensive risk assessment and method statement for a biohazard hoarders clean. The primary goal of this assessment is to ensure legal compliance throughout the cleaning process. The property contains human waste and requires extensive cleaning and sanitizing of living areas, the kitchen, and bathrooms. Key Responsibilities: - Conduct a detailed risk assessment to identify potential hazards and mitigation strategies. - Develop a method statement outlining the step-by-step process for the clean-up. - Ensure all procedures align with legal requirements. Ideal Skills and Experience: - Previous experience in risk assessment for biohazard clean-ups. - Knowledge of legal compliance standards in waste removal and property sanitization. - Familiarity with clea...

I'm seeking a professional with experience in payment gateway integrations to enhance my website with payment capabilities. Ideal Skills: - Proficiency in integrating various payment methods - Experience with popular payment gateway services - Understanding of security protocols for online transactions Please provide examples of previous work in your bid.

I'm looking to build a server or system similar to suspended.page. Please review this website and place your bids accordingly. The main functionality I need from this system is automatic domain catching with ns after the default nameservers are updated. Ideal Skills and Experience: - Proficient in server/system development - Familiarity with domain name systems (DNS) - Experience with automated systems - Understanding of domain registration processes - Knowledge of monitoring and alerting systems

I need an expert to calculate heat rejection into a pond or lake. You will need to calculate the volume of the lake, its surface area, and the temperature variations, as well as the flow rates for the heat exchanger. I have a comprehensive set of data availabl...including volume and surface area - Temperature measurements - Flow rates for the heat exchanger Ideal skills for this job include: - Strong background in environmental engineering or thermodynamics - Proficient in using empirical formulas, simulations, and analytical calculations - Experience in conducting similar calculations for heat exchangers Please note that I have not specified a preferred method for calculating the heat rejection, so the successful freelancer will have the flexibility to choose the most effective...

...allow users to define a polygon by clicking points on a canvas overlay. 2. Once 3 or more points are defined, the points are sent to the backend. 3. On the backend, the detection logic happens in the StreamManager class's process_frame. 4. YOLO model must continuously processe video frames to detect people. 5. For each detected person, it must calculate their center point. 6. The inside_polygon method checks if this center point is inside the defined polygon. 7. When a person is detected inside the polygon: * A sound alert must be played using pygame * The detection is visually marked on the frame * A counter is incremented * The frame gets a red overlay and "Intruder Detected" text. * .The system uses OpenCV's pointPolygonTest function to determine if a poi...

Hello Freelancers I have created a new way to build houses and I am looking for a skilled civil engineer or architect to redesign and explain the method He must have a high ability to design and re-explain the method in a wonderful engineering style He must be honest and protect ideas from publication and theft Ideal Candidate: - Proven experience in designing residential buildings - Strong knowledge of civil engineering and architectural principles - Excellent ability to interpret project specifications and build on them - Proficiency in using architectural design programs

... This uses prisma / postgres and React for the front end. I also have a separate API service (simple express/node server) which is a set of about 30 endpoints that I've built and this is connected to the postgres DB to track calls by users. I need support with: Extend the solution to enable organisation views for users (Default will be personal, but they should be able to create or add users to an existing org) Add Org level billing Thorough testing of the payment integration and ensure subscriptions are working as intended for personal and org(Stripe) On the API service: Add Request tracking ( timestamp / endpoint to requests postgres table) Testing of each endpoints: Security Testing Adjustments for credit decrement calls to only trigger on success To underst...

Fix warnings and mistakes with Odoo 16.0+e (Enterprise Edition) for the next modules that some of them are installed now in the current subscription and install new modules like: - dojo_payments-16.0 (Actualizado).zip --> This is to configure the Dojo Tech dataphones and get the payment by credit card from customers in the shop. Review the installation and configuration in every environment correctly to work without any mistake. Review the installation and configuration in every environment correctly to work without any mistake. - --> This is for the current theme for the actual website. Review the installation and configuration in every environment correctly to work without any mistake. -

...handle payment management seamlessly. Furthermore, incorporating communication tools is essential, enabling interaction between teachers and students or their guardians. Key Features: - Student Progress Tracking: The site should have an intuitive interface for teachers to assess and track students' academic journey. - Payment Management: An integrated, user-friendly payment system for managing tuition and other fees is crucial. - Communication Tools: A reliable, secure set of tools for facilitating communication between teachers, students, and their guardians. The ideal freelancer for this project should have: - Extensive experience in custom website development. - A strong portfolio demonstrating previous work on education or tracking-related sites. - Excell...

I'm looking for a reliable supplier who can provide me with 10,000 USA WhatsApp hash channels on a daily basis. The primary purpose of these channels is for bulk messaging. The messages I intend to send are mainly informational updates. Ideal Skills and Expe...send are mainly informational updates. Ideal Skills and Experience: - Proven experience in sourcing bulk WhatsApp channels - Contact with reliable third-party suppliers - Understanding of compliance and ethical standards in bulk messaging - Excellent communication skills for coordination and negotiation Please reach out to me directly if you can meet these requirements. Preferred delivery method is direct account transfer. No specific compliance and ethical standards are required. The delivery needs to be completed...

I am looking for a professional with experience using Frida for security testing on an Android mobile app. The focus will be on assessing the security of network communications and authentication methods. Key Requireme...experience using Frida for security testing on an Android mobile app. The focus will be on assessing the security of network communications and authentication methods. Key Requirements: - Proficiency in using Frida for security testing. - Extensive knowledge of Android mobile app architecture. - Experience with testing network communication security. - Familiarity with evaluating authentication method security. - Ability to deliver comprehensive, understandable security assessment report. Please include relevant past experience and examples of similar projects in...

...defendant who ignored communications from the process server and did not maintain a valid office during business hours as required by statute. This individual is now attempting to overturn a default judgment on the grounds that he was not properly served and, therefore, his due process was violated. A case that may be relevant is Luna V State Farm Lloyds 1:2022cv00021, according to previous AI analysis. Key points to consider: - The legal responsibilities and notice to a registered agent, which could constitute constructive notice. - The burden placed on the registered agent. - The implications of method B service not being perfected with certified mail. - The situation where the agent directed the process server to serve his brother, a business partner, at a non Secretar...

...options to align with brand identity - Offer discounts for bulk purchases - Offer flexible payment terms and options Skills and Experience: - Prior experience dealing with tea and gummies suppliers will be highly regarded - Strong negotiation skills for cost-effective sourcing - Ability to ensure supplier compliance with health and safety standards The products need to be sourced and launched within the long term for my store. Suppliers must have FDA approval. This project requires a supplier capable of providing small batch quantities of herbal and natural supplements. The supplements must meet FDA, GMP, and organic certifications. Preference will be given to local suppliers within the country. Preferred method of communication is phone/video calls. International suppli...

I'm seeking a seasoned application developer with extensive experience in building E-co...Key Requirements: - Our app will be Arabic and English versions - Review app to finish the integration with app. - Checkout pick address on google maps not working well. - Adding Apple Pay, Google pay on product page. I imagine that once a user selects a Product Variant, they'll tap on Apple/Google Pay. A pop-up will appear, asking for their address information, followed by shipping method selection and payment processing. Is this correct? Thanks right same what we need , please share with us any app you made same to confirm more. - Upload app on app store and play store. - push the notifications. I look forward to your proposals. Please include examples of your previous...

...-> compare_price: If Variant Compare At Price exists, map it directly. If not, set the default value of 1050. Variant SKU -> sku Product Category or Type -> category: If Product Category is missing, use Type. Image Src -> image1, image2, image3: Map based on the Image Position in the source file. 2. Variant Creation: Create product variants based on multiple attributes (e.g., size, color). Refer to fashion csv - for the correct structure. Ensure: Each product variant has unique values in option1_value (e.g., size) and option2_value (e.g., color). All variants for the same product share the same name, description, and image columns. 3. Default Values: Handle missing fields by assigning default values: ondc.category_id -> "fashion" manufact...

...(a) defining the experimental and control groups, (b) selecting the sampling method, and (c) identifying the data collection method. Justify why these choices are suitable for this experimental study. #3. A researcher plans to develop a study that examines the influence of service quality on the satisfaction of the passengers on the Disney Cruise, which departs from Port Canaveral, Florida, on December 24, 2024. This researcher aims to use SERVQUAL, which measures the disconfirmation between expectation and perception. Try to write the methodology section on (a) the definition of sample and population, (b) the sampling method, and (c) the data collection method. Lastly, explain (d) the possible analysis method for this study and justify the use ...

**Seeking Experienced Amazon FBA Virtual Assistant – Wholesale Specialist (UK Market)** We are looking for a highly skilled Amazon FBA virtual assistant specializing in the **wholesale method** for the UK market. The ideal candidate will have a proven track record of success in managing and scaling FBA businesses through strategic product research, supplier sourcing, and listing optimization. **Key Responsibilities:** - Conduct detailed product research to identify profitable wholesale opportunities in the UK. - Source and negotiate with reliable UK-based suppliers/distributors. - Create and optimize Amazon listings to maximize visibility and sales. - Manage inventory and ensure compliance with UK regulations and shipping requirements. **Requirements:** - Mi...

...Extensive knowledge and experience in PHP and web application development - Strong skills in user interface design - Previous experience modifying POS systems highly preferred Please note that the specific changes are: Modifications in Existing PHP web application: - Date and time should be taken by default PC settings - In payment type (Cash received option) should have decimal option to enter and an button to fill full amount of the invoice amount - Bug fixing: Default POS screen shows payment by cash, debit card, credit card and online option. but if an item is selected, only cash and debit card shows, this needs to be fixed. - In debit card, there is no option to choose the amount received, this needs to be fixed. - the sales invoice print format to be ...

I am looking for an experienced developer who can create a comprehensive ecommerce application for both Android and iOS using React Native. This project will also involve backend and admin panel development. Key Features: - User Authentication and Profiles - Product Catalog and Search - Shopping Cart and Checkout Payment Integration: - The payment method required is PayHere integration. - COD Logistics integration: Third party logistics intergration with end to end tracking. SMS Gateway Product Type: - The app will be used for selling Physical Goods. Ideal Skills and Experience: - Extensive experience in React Native - Previous ecommerce app development - Strong backend development skills - Experience with PayHere integration The app should have a modern and mi...

I need a developer with experience in Stripe API to help me calculate and display payment fees on my payment link. - The fees should be displayed on the payment link page. - The fee calculation should be based on a percentage of the transaction amount. Ideal candidates should have a strong background in payment gateway integration and an understanding of transaction fee structures. Please include similar past projects in your proposal.

...assistance to install Opencart on my web hosting site along with two specific modules: eBay and Auctions. I have both modules ready, and they just need to be installed as they are. I will be using the default Opencart theme for this project. I specialize in selling beads and jewelry makings for crafters. Ideal Skills and Experience: - Proficient in Opencart installation and configuration - Experienced in module installation (specifically eBay and Auctions) - Familiarity with the default Opencart theme - Able to work efficiently and meet deadlines No custom configurations are needed; simply install the modules as they are. Please perform post-installation testing for both eBay and Auction modules. Please also assist with migrating all data fro...

I'm seeking a Financial Consultant to conduct 30-minute sessions focused on budgeting and saving tips for our young professional clients. Key Responsibilities: - Provide practical budgeting and saving advice. - Administer 30-minute consultations. - Utilize the Envelope System as a primary budgeting tool. Ideal Skills and Experience: - Pro...and Experience: - Proven experience in financial consulting. - Expertise in budgeting tools, particularly the Envelope System. - Excellent communication skills, able to connect with young professionals. The goal of these consultations is to empower our clients with effective budgeting strategies to enhance their savings. Your role will be pivotal in guiding them through the Envelope System, a method we have chosen for its simplicity and...

...about significant improvements in the overall system performance, specifically: -Reducing torque and flux ripples -Minimizing machine vibration and noise The ideal candidate will be responsible for developing a detailed Simulink model, incorporating all necessary components for both the DTC and CHB inverters. I will provide my existing DTC model and a relevant research paper that outlines the new method to serve as references. Key Requirements: -Effective implementation of the CHB multilevel inverter within the DTC model -Creation of a detailed Simulink model with intricate component modeling Candidate Profile: -Deep understanding and expertise in drive control systems -Proficiency in Simulink and control modeling for induction machines -Prior experience with multilevel inver...

...experience with food retail. - Experience: Prior experience working with Walmart Retail Link and retailing food items is a plus. - Assist with categorizing and tagging food items for better visibility on Walmart.com. - Provide insights and analytics on sales performance and customer behaviors. - Optimize product images to meet Walmart's specified guidelines for better presentation. Preferred method of communication is video calls. I need ongoing support after the initial setup. The main focus initially will be on setting up new food items on Walmart Retail Link to ensure they are listed correctly. I will require ongoing support on a weekly basis after the initial setup. The main priority for the initial setup is optimizing product visibility in searches. Ongoing suppo...

...upload, payment gateway integration, affiliate system, etc. - Mobile responsive ***BASIC FUNCTIONALITY*** - User default dashboard will show all the information like campaigns, credits usage, graphical display, etc. - Users will have to buy credits to perform tasks. - Single credit performs a single task - Users will create campaigns, paste URLs or upload (excel, csv, text) files with URLs, track campaign and task progress, etc. - Users will be able to pay and buy credits ***USER AREA*** - User registration/login - User dashboard (Important information displayed, graphs and charts to display data visually) - Credit System: Users can buy credits which can be used within the web app. - User Campaign Management (create, manage and edit campaigns) - User...

**Need final quotation, as issue is clearly defined. Please do NOT waste my time claiming more money after discussion :-) *** I've recently installed the Amelia plugin on my WordPress site and I'm facing a critical issue. The payment step of the plugin keeps spinning indefinitely. Please check this doc : Key Details: - The plugin has been installed on a WordPress platform. - Currently, the Stripe payment method is enabled in the plugin. This issue arose immediately after the installation, and I have not added any new extensions or plugins since. I am seeking a professional with experience in troubleshooting WordPress plugins, particularly the Amelia plugin, and with a strong understanding of Stripe

...create a web-based crypto payment gateway utilizing the Tron and Ton networks. The gateway must support various functionalities, including: - **Disposable Wallet Creation**: The system should be capable of creating disposable wallets for each transaction, enhancing anonymity and security. - **Automatic Transfers**: Seamless, automatic transfers are crucial for a smooth transaction process. - **Balance Fetching and Real-Time Event Notifications**: The gateway must be able to fetch balance and receive real-time blockchain events, sign transactions, and monitor balance changes. In terms of security, the payment gateway should incorporate: - **Two-Factor Authentication**: An essential layer of security for user accounts. - **Encryption of Payment Data**: All payme...