How nfc payment works工作

...and streaming audio from both to compare them, instead of recording. What I have done so far is making a webrtc signalling server and a url link that streams video and audio. How the connection works now is We create a room with a roomID and the peers make a request to the server with the roomID in the url. RoomID will be put in the same room and they start streaming video and audio. But it's too insecure and I need to generate a diffie hellman key pair on each peer (both desktop and mobile) and exchange the public keys. But I could not figure out how DH key exchange works. And where the keys are stored in mobile and how I can access them from the mobile phone so that I can encrypt the audio with the phones public key and then on the phone i can d...

我需要一些平面设计。

招兼职剪接声音的人。一个声音（短则8分钟，长则30分钟） 要求：降噪，去除杂音，音量提高，去掉口癖（如这个、那个、额、长段空白、咳嗽等），笑声可保留。 输出声音格式要求：MP3，高音质，立体声，大小控制在50MB以内 ENGLISH A person who works part-time to cut the sound. One voice (8 minutes short and 30 minutes long) Requirements: Noise reduction, noise removal, volume increase, remove the mouth (such as this, that, forehead, long blank, cough, etc.), laughter can be retained. Output sound format requirements: MP3, high sound quality, stereo, size control within 50MB

1.在access选项卡下增加购买栏，后台可以输入金额，前台用户访问页面时支付相应金额以后可以访问内容； 2.用户可以自己购买用户组，用户支付一定的金额，可以在一段时间内成为某一个用户组成员 3.支付方式包含支付宝和微信支付（扫码、链接等都需要支持） 4.详细说明请查看附加文件

We need someone who is familiar with Alipay & Wechat pay integration, and link our website content to share on Wechat & Weibo. 我们现在需要一个熟悉支付宝和微信支付开发的工程师，接入PC端与手机端，并且制作出简单的支付页面；以及微信和微博分享我们网站上的内容。

1. 完善网页的支付网关，提高客户的购买体验 2. 使网页加速，运行网页时流畅 3. 让客人使用优惠时更加智能，比如说，客户使用会员号即可获得我们在后台提前设置的优惠 etc

Display paintings, uploading and downloading , work evaluation , works and author information , membership registration , works sub- drawing, painting , gouache , calligraphy , through each piece can be enlarged individually show and get a few people to see several people evaluate the situation , evaluation of high automatic sorting front pages dynamic display large image rotation and other related site Notice winning information, you need responsive technology that uses HTML5 CCS3 BOOTSTRAP database technology can be applied on a PC, IPAD, mobile phones and other terminals. Currently uploaded photos are only examples and LOGO. 展示绘画作品、上传下载、作品评价、作品及作者信息、会员注册等，作品分素描、油画、水粉、书法等，通过每件作品都可以放大单独显示，并得到几人看几个人评价情况，评价高的自动排序在前，网页大图轮换动态显示网站公告等相关获奖作品信息，需要响应式技术，利用HTML5CCS3BOOTSTR...

A games live streaming website like twitch (handling large amount of video data? ) with user registration and account information, upload video, leave comments on real time living videos. Need experienced developer who can be able to build up the front end, back end, database and server for efficiently storing and retrieving videos data. If you think the price ...streaming website like twitch (handling large amount of video data? ) with user registration and account information, upload video, leave comments on real time living videos. Need experienced developer who can be able to build up the front end, back end, database and server for efficiently storing and retrieving videos data. If you think the price is below your expectation, please leave the price works for you, we can negot...

I need a template that can work with Taobao for my online store. the store will be selling kid's clothes. if you are familar with how Taobao template works. that will be great

 Interior Designs (Room Modeling, Living Room  Exterior Designs (Home Modeling, Text Animation  Character Modeling, Face Modeling, Animation  2D WORKS (Photoshop & Illustrated

 Interior Designs (Room Modeling, Living Room  Exterior Designs (Home Modeling, Text Animation  Character Modeling, Face Modeling, Animation  2D WORKS (Photoshop & Illustrated

 Interior Designs (Room Modeling, Living Room  Exterior Designs (Home Modeling, Text Animation  Character Modeling, Face Modeling, Animation  2D WORKS (Photoshop & Illustrated

9842654031  Interior Designs (Room Modeling, Living Room)  Exterior Designs (Home Modeling, Text Animation)  Character Modeling, Face Modeling, Animation  2D WORKS (Photoshop & Illustrated).

Hello - I have six documents I need translated from Simplified Chinese into English. Pretty straightforward, right? I will send you the first document and we will complete that as a milestone. If that works out, two more milestones for 2/3 projects each. If you think you have what it takes, please translate the following passage and send the translation to me. 1 教学目的：使业务人员熟悉建筑漫游动画和虚拟漫游的制作流程、制作周期、制作报价以及相关业务范围。 2 建筑动画简介: 建筑动画又称房地产动画，是根据建筑设计图纸在专业的计算机上制作出虚拟的建筑环境， 有地理位置、建筑物外观、建筑物内部装修、园林景观、配套设施、人物、动物、自然现象如风、雨、雷鸣、日出日落、阴晴月缺等等都是动态地存在于建筑环境中，可以以任意角度浏览。房地产动画应用最广的是房地产开发商对房产项目的广告宣传、工程投标、建设项目审批、环境介绍、古建筑保护、古建筑复原等。房地产动画片的优势是能在房产开发前进行全方位宣传。 建筑动画使用的软件： CAD、3DS MAX、MAYA、Photoshop、After Effects、Premiere、Fusion等 建筑动画服务流程： Thanks.

...The project will involve designing various images and banners for my website. Total 30 images our website link: Reference Link: we need unisex and unique images for our website Images should be mobile, desktop compatible, and friendly First, can you share your previous works so I can check it? Desired skills and experience: - Strong graphic design skills - Proficiency in Adobe Photoshop, Illustrator or similar software - Ability to create dynamic and bold visuals - Proven track record in web graphics design Your primary responsibility will be to: - Design eye-catching website images - Create banners that put a spotlight on our products Note: The client did not specify

I'm looking for a skilled developer to build an e-commerce website for me using Shopify as the platform. The main requirement for this project is to integrate a payment gateway into the site. Key requirements: - Develop a fully functional e-commerce site using Shopify - Implement a secure and efficient payment gateway system Ideal Skills: - Proficient in Shopify development - Experience in integrating payment gateways - Strong understanding of e-commerce best practices - Attention to detail and quality assurance If you have previous experience with similar projects, I'd love to hear from you. Please provide examples of your previous work and an estimated timeline for completion.

...many competitor on the same niche , so USP of our website should be User interface. 4. If you are going to use WordPress or any framework and want to build the site over it , then share the demo website link of the themes or skin you are going to use . 5. If you have developed already a review website for any kind of product or service , then share your work 6. I do not want to check your past works of irrelevant websites . I am here for a review website/affiliate website/ product comparison website. 7. Please google "credit cards review" , you will get many reference websites , I can also share reference website if asked. I'm looking to develop a banking products review website, specifically for credit cards. The site should provide comprehensive inform...

I'm looking for a skilled developer to build an e-commerce website for me using Shopify as the platform. The main requirement for this project is to integrate a payment gateway into the site. Key requirements: - Develop a fully functional e-commerce site using Shopify - Implement a secure and efficient payment gateway system Ideal Skills: - Proficient in Shopify development - Experience in integrating payment gateways - Strong understanding of e-commerce best practices - Attention to detail and quality assurance If you have previous experience with similar projects, I'd love to hear from you. Please provide examples of your previous work and an estimated timeline for completion.

Hi, all the details are shared already and the corresponding works are done. Please create the quote.

I need a word document translated from English to Russian as soon as possible. The file has 800 words. Need high quality human translation only. Google/AI or automatic software works are not allowed and will be rejected. Need the translation back in word document format maintaining the formatting and layout of the source file. I would also need an excel sheet prepared, with source texts in column A and translation column B. Need this to be done within 5-6 hours of awarding the project. Bid only if you are available to do it now. Price: 12 CAD fixed. Deadline: 5-6 hours max Don't bid if you don't agree the price and timeframe. Thanks!

I'm in need of a highly skilled and efficient artist, proficient in creating realistic pencil artwork. Key Subjects: - Natural forms - Splashes of color (please note, even though the primary medium is pencil, I'd love for some elements of color to be subtly integrated). The ideal candidate for this project will: - Have a strong portfolio of realistic pencil works. - Be able to seamlessly weave fragments of color into a primarily monochromatic piece. - Exhibit mastery in capturing natural forms and rendering them in a lifelike fashion. -Use of online design, wanting a series of work incorporating colour, nature, cool designs Enthusiasm for the natural world and an eye for color will be highly regarded. Your portfolio should demonstrate your fit for this project.

...a skilled Node.js developer to focus on backend development. The primary task is to integrate a payment gateway. We followed the instructions provided and implemented the following code using server-side Node.js. We utilized ngrok to enable HTTPS connections. We have successfully initiated a transaction using this code in the uploaded file. However, we encountered an issue retrieving the transaction, which should have been provided but is not available. We were advised to handle callbacks and decrypt the response, but we're facing difficulties in doing so. Handling callbacks and post-success payment URLs did not resolve the issue. We now need the transaction ID, which we are unable to obtain.

...involve taking the purchased app and properly configuring it on our server. - **Play Store Upload**: I require assistance in understanding and completing the necessary steps to properly upload the app to the Play Store. I have already got the necessary server/hosting for the app, so the focus will be on the software side of the project. The job will mostly revolve around ensuring that the app works smoothly and is correctly set up for publishing. Ideal Candidate: - Experience with setting up and configuring apps on servers - Previous experience with uploading apps to the Play Store is a significant advantage - A good understanding of the Quiz App ecosystem and its particular requirements - Strong communication skills to guide me through the process and answer any questions I ma...

I'm in need of an experienced document translator who can handle multilingual translation. Key Project Requirements: - Multilingual Translation: Proficiency in tran...handle multilingual translation. Key Project Requirements: - Multilingual Translation: Proficiency in translating documents into multiple languages is fundamental for this project. Please let me know what languages you're comfortable working with. - Experience: I'm particularly interested in your translation experience, so please provide your translation portfolio, highlighting any multilingual works. - Quality: I'm looking for a high-quality translation that's accurate, clear, and culturally appropriate. Please apply if you have solid experience in document translation and can handle multi...

I'm seeking a talented digital artist to create a unique cartoonish and realistic illustrations of a hammerhead shark with a leg in its mouth. The project will be a part of my personal collection. This digital illustration should: - Be in a cartoonish style - Portray a hammerhead shark with a leg in its mouth - Be suitable for framing I'd love to see your portfolio showcasing similar works to get a sense of your style. This project would be great for someone with a playful and imaginative approach to art.

I am in need of a talented video editor who can use royalty-free footage for an engaging promotion videos for Instagram for a cryptocurrency project just about to launch. Requirements: - A strong understanding of promotion video style to effectively highlight the features of our offerings. - Subscription to 1 of the following softwares: Final Cut Pro, Adobe A...effectively highlight the features of our offerings. - Subscription to 1 of the following softwares: Final Cut Pro, Adobe After Effects/ Abobe Premire pro, DaVinci Resolve - Able to start ASAP The ideal freelancer for this job would have a creative flair and a keen eye for detail, to ensure our Instagram video content is as compelling and effective as possible. Please share your previous relevant works/portfolio in your ...

...The design should cater to both web and mobile platforms, considering different UI components for each context. - Search Functionality: Currently a filter icon appears on top left on smaller screens which when clicked opens a left pane with search filters, in large screens the left pane is always there. this has to change to something better and intuitive and professional. To see how the web application works, go to Ideal candidates will have a solid understanding of UX best practices, as well as experience in achieving seamless transitions between web and mobile platforms. Highly experienced in UX design of web and mobile applications where web page real estate needs to be used very intelligently. Be aware that the aim is to maximize User Experience, so creativity

I need a web developer skilled in creating engaging portfolio websites （based on our design in Figma) to showcase various commercial construction projects. The website should have a user-friendly interface and easy navigation. Key Functions: -Home page -About us -Contact page -Projects -Service page - A section showcasing past works - Endorsements from satisfied clients - Social media integration - Commenting system for user interaction - Content search option to filter projects Ideal Skills: - Proven experience in similar projects - Knowledge of SEO to improve online visibility - Strong UI/UX understanding for intuitive navigation - Familiarity with social media integration - Ability to implement an efficient commenting system. Figma Link -

I'm looking for a talented illustrator who can create engaging watercolor illustrations for a children's book aimed at 5-8 year olds. The book will require around 10-15 illustrations. Key requirements: - Experience in children’s book illustration - Proficiency in watercolor technique - Understanding and ability to crea...illustrations. Key requirements: - Experience in children’s book illustration - Proficiency in watercolor technique - Understanding and ability to create visuals that resonate with 5-8 year olds It's important to me that the illustrations are colorful, imaginative, and can visually narrate the story to evoke curiosity and captivate young readers. Please include a portfolio of your previous works when applying for this job. Below is ...

I'm looking for a talented web designer. I need a portfolio website to showcase my work. The key feature for this project is social media integration. Key Requirements: - Portfolio Website: The primary purpose of this website is to showcase my work. The design should be clean, modern, and visually engaging to exhibit a range of samples. - Social Media Integration: It'...Strong Portfolio: I'd like to see examples of your previous portfolio website designs. - Social Media Integration: Proven experience in integrating social media buttons and feeds. - Design & UX: Ability to create clean, modern, and user-friendly layouts. - Communication: Clear and prompt communication is a must. If you think you can meet these requirements, please get in touch with your previous work...

I need a word document translated from English to Russian as soon as possible. The file has 800 words. Need high quality human translation only. Google/AI or automatic software works are not allowed and will be rejected. Need the translation back in word document format maintaining the formatting and layout of the source file. I would also need an excel sheet prepared, with source texts in column A and translation column B. Need this to be done within 5-6 hours of awarding the project. Bid only if you are available to do it now. Price: 12 CAD fixed. Deadline: 5-6 hours max Don't bid if you don't agree the price and timeframe. Thanks!

I need a word document translated from English to Simplified Chinese as soon as possible. The file has 800 words. Need high quality human translation only. Google/AI or automatic software works are not allowed and will be rejected. Need the translation back in word document format maintaining the formatting and layout of the source file. I would also need an excel sheet prepared, with source texts in column A and translation column B. Need this to be done within 5-6 hours of awarding the project. Bid only if you are available to do it now. Price: 12 CAD fixed. Deadline: 5-6 hours max Don't bid if you don't agree the price and timeframe. Thanks!

I'm in need of an experienced translator who can translate a fiction book from Arabic to Indonesian. Key Requirements: - Fluency in both Arabic and Indonesian - Proven experience in translating fiction works - Ability to maintain a colloquial tone in translation, reflecting the original work's style and voice This project involves a book with a fictional narrative and requires a translator who can effectively convey the story's nuances and subtleties. Please provide relevant samples of your previous work in your bid.

I'm looking for a skilled developer who can create a copy trading bot that focuses on cryptocurrencies. 1. Works on eth and bsc. sushi, pancake and uniswap dexes 2. I need to enter my own rpc node address in bot code. 3. Bot needs to buy and sell same % of coins as wallet we are copying. 4. Bot should buy and sell in same block 5. needs to get funds to trade from smart contract, not metamask

...businesses, so we're also looking for a graphic designer who's also in the community. You'll start with simpler tasks, like using pre-existing templates on Canva. We already have our own templates with our own style. Nevertheless, you'll still need to have a sense of design with attention to detail, so you can play around with the existing style, while still staying true to the style. If everything works well and you have the branding knowledge + skill, you can take more responsibilities on the branding side as well — both for the concept and design. So, this will start with a trial period, and you can gradually get more and more hours. Please insert in your reply, why you'd love to be involved in a queer-owned business and help other queer-owned...

...article to enhance its readability and flow. - Abbreviation verification: Double-check the usage of abbreviations and ensure they are accurate. The main goal of the editing process is to ensure the scientific accuracy and coherence of the article. Therefore, it is crucial that the editor has a deep understanding of epidemiology. Ideal Candidate: - Advanced expertise in epidemiology with published works in the field. - Proven experience in scientific editing. - Strong attention to detail, especially in terms of grammar, spelling, and plagiarism issues. - Excellent communication skills to collaborate effectively regarding any necessary revisions. - Familiarity with the standard formatting and requirements of scientific journals. I'm looking for a professional who can enhan...

... gender, household size, etc.) Implement functionality to adapt and import member data from Excel sheets. Enable different access levels (Project team, Donors and trading partners) for viewing, analysis and with rights editing member profiles. Membership Subscription Tracking Design a system to track membership subscriptions and payments. Record subscription start dates, renewal dates, and payment history. Allow for online subscription tracking with the flexibility to transition to offline tracking based on user capacity. Member Services Tracking Develop modules to track member services such as training sessions attended, donations received, and other relevant services provided. Capture details of services rendered and associated dates for reporting and analysis. Implement da...

...website. The bio should be engaging and friendly, aiming to introduce me to visitors. Key Deliverables: - Professional summary bio that showcases my expertise and skills - Engaging and friendly tone to appeal to visitors Ideal Skills & Experience: - Proven experience in writing engaging bio content - Understanding of personal branding and online presence - Strong portfolio of previous similar works - Ability to craft content in a friendly and approachable tone I've included the CEOs new bio as an example, and a link to my linkedin These are the instructions I was sent: Hi Chris, We'd like to include you in the "Team" section of our new website that is currently being built out. I've attached an example of what Megan's brief bio looks lik...

I'm on the lookout for a skilled graphic designer, specifically adept at creating stunning and thought-provoking brochure designs. The style I'm aiming for is abstract. The ideal candidate should have: - Proven experience in brochure design - A knack for creating abstract graphics - An understanding of my vision and brand identity Your ...abstract. The ideal candidate should have: - Proven experience in brochure design - A knack for creating abstract graphics - An understanding of my vision and brand identity Your task will be to develop a visually compelling and abstract brochure aligned with my brand. This should communicate the essence of my services effectively to our target audience. Please showcase your similar previous works in your proposal. Looking forward t...

I'm in need of a professional to create my resume, tailored to the IT sales industry. Given that I haven't specified a preferred resume format, I'm open to your professional expertise and suggestions in this area. Here are some specifics to consider: - Target Area: The resume must be specifically tailored towards the IT sales sector. Showcase my ability to blend my tech...technical knowledge and sales skills. - Technical Skills: Highlight my IT sales skills, underlining the ability to marry technical understanding with customer needs. Ideal Profile: - Experience with IT sales resumes. - Familiarity with the latest trends. - Strong track record of writing successful resumes. - Proficient in assigning the kind of resume (chronological, functional, combination) that works...

I am looking for prooven track profesional to manage and improve mi dropshipping store in health&wellnes,cosmetics store,EU and SUA market trending&winning products,content writing,ads campaigns set up will be 50% of net income, of sales.

I'm in need of a skilled Vue.js developer who can help me bring my website design to life. Key project details and requirements: - You will be provided with a specific design for the website. Hence, it's crucial that you can effectively translate this design into a fully functioni...functioning website. - I expect you to have solid experience in Vue.js. Proficiency in other relevant technologies would be an added advantage. - A good understanding of user experience (UX) and ability to bring that into the project. - Timeliness, proactive communication, and an eye for detail are important in the successful completion of this project. Please be ready to showcase your previous works, and feel free to include any additional information you believe would be helpful for me in...

...custom payment gateway. Key Responsibilities: - Product listing and inventory management: You will upload and manage 50-100 items on my Shopify store. It's crucial that listings are accurate, and inventory is updated in real-time. - Payment gateway integration: The standard Shopify payment solutions are insufficient for my needs. I require a customized payment solution to be integrated into the checkout process. This needs to be secure, seamless, and user-friendly. Ideal Skills and Experience: - Proven experience with Shopify: I need someone who has successfully managed similar projects and can demonstrate their expertise. - Proficiency in product listing and inventory management on Shopify: Your understanding of product management and the e-commerce l...

I'm looking for a skilled video editor to craft a one-minute video from a song. The project involves enhancing the provided raw footage with color correction. Ideally, you should have experience and a sharp eye for colors in order to make the visuals of the song as engaging as possible. A deep understanding of color grading is a must-have for this project. A background in musi...from a song. The project involves enhancing the provided raw footage with color correction. Ideally, you should have experience and a sharp eye for colors in order to make the visuals of the song as engaging as possible. A deep understanding of color grading is a must-have for this project. A background in music video editing would also be beneficial. Please include examples of previous similar works in...

I'm in need of a classic-style logo for my company, True Texas Junk Removal. The logo should embody the essence of Texas, Value, and Integrity. It's essential that the design includes the following elements: - Lone Star: A prom...- Trash/junk removal symbols: Elements like a trash can, broom, waste bin, etc., can be considered here to indicate the core business of our company. - Flag: The logo should also integrate the American flag's colors (red, white, and blue). The chosen freelancer must have experience in creating classic-style designs and understand how to incorporate these specific elements in a way that represents the company's core values. A portfolio or examples of previous works that demonstrate a good understanding of the Texan and classic ae...

I'm in need of a professional and corporate portfolio design that can help establish my company's credibility. The ideal freelancer for this job will have ...history, and values. - Services: A detailed overview of the services we offer, including the benefits and unique selling points. - Team: An introduction to the key members of our team, including their roles and a brief bio. - Testimonials: Feedback and reviews from past clients or customers, emphasizing our credibility. - Portfolio: A showcase of our previous works, projects or case studies. - Contact: Clear and concise information on how potential clients can reach out to us. The design must be professional, clean, and corporate to reflect our company's image. It should be structured to ensure a smooth a...

I'm in need of a talented comedy writer who can assist with ideas on satirical fictional "callers" to tell shocking and absurd stories or scenarios that make people laugh but also to help m...opposite of what the "caller" is saying. Possibly a tiktok or you tube format where I am giving advice and the idiotic caller is helping me make my point. Key Requirements: - Proficiency in writing parody comedy: An understanding of pop culture, trends, and the ability to twist and satirize them for comedic effect. - Experience with YouTube scripts: Understanding the pacing, tone, and structure that works best for online video content, particularly for a teenage audience. - Creativity and Originality: The ability to think outside the box and create fresh, unique concep...

I'm urgently needing assistance and expertise in marketing for our SaaS-based application, targeted specifically towards small and startup businesses. The preferred marketing channels are presently undecided, offering you a chance to recommend what you consider most effective. We believe utilizing social media, reddit, and email marketing our the most effe...seeking serious marketing individuals who can really understand our solution and come up with marketing strategies to help reach small or startup based businesses. Please register with the site (which is free) and learn the basics before providing a bid. The more you understand our solution, the better you will be able to market it. I am happy to answer any questions related to the product, how it works, or whom we ...

...of my payment information by integrating ReCAPTCHA into my website. This will aid in enhancing the overall security of the payment process. Key tasks include: - Integrating ReCAPTCHA into the payment information section of the website - Ensuring ReCAPTCHA works seamlessly with the payment process - Ensuring user experience is not compromised while enhancing security. Ideal skills for this project include: - Experience with payment gateways and integrations - Proficiency in web security, particularly with implementing ReCAPTCHA - Strong understanding of user experience and ability to balance it with security measures. - Familiarity with Credit card, PayPal and other payment system integrations is highly desirable. If you're con...