Ethereum hard forkcông việc

1. Có kinh nghiệm trên 1 năm trong lĩnh vực phát triển hợp đồng thông minh (Smart Contract). 2. Có kinh nghiệm trong việc viết code bằng ngôn ngữ lập trình Sodility. 3. Có hiểu biết và kinh nghiệm trong phương thức lập trình TDD (Test-Driven Development) 4. Có hiểu biết rộng về công nghệ Blockchain, đặc biệt là Ethereum. 5. Quen thuộc với những lỗ hổng thông thường trong Hợp đồng thông minh (Smart Contract) ----------------------------- Yêu cầu: 1. Thiết kế, xây dựng ứng dụng phi tập trung bằng ngôn ngữ lập trình Solidity 2. Viết các tư liệu hướng dẫn liên quan và hỗ trợ kĩ thuật cho team. 3. Kiểm soát chất lượng và c&aac...

Cần list 1 đồng token lên website mua bán đã có sẵn Đồng Erc-20 token Website Có ví riêng cho mỗi khách hàng đăng kí tài khoản Người dùng có thể tạo quảng cáo tương tự như Bitcoin và Ethereum hiện tại Khi có giao dịch mua bán, token sẽ được giữ bởi hệ thống escrow, sau khi đã xác nhận sẽ được gửi cho người mua

We need projects to buy products (such as coffee, milk tea, food, ...) and dispose of (such as table, food, decoration, chairs, glasses, cups ...) if the paper Established a cafe. Because we find that many Deaf and hard of hearing students are poor and hard to find a job to earn a living. Hope we decide to choose the project to save Deaf and Poor students living in a good environment!

I screwed up on the backend of my website. The site is I must have clicked something that removed all the links to the socials on the sign up page. I need for someone to do the following: 1. Put the logos back up (it should just be a click of a button. I just don't know which one) 2. I'd like to add two more social link to the list...link to the list. (patreon & buy me a coffee) 3. I'd like for each person who signs up to get an email thanking them for joining. 4. I'd like to make it so people can't sign up multiple times with the same email address. 5. On wordpress there are numbers for each person who signs up. If I delete a person the numbers don't change order. It would be nice if they did. This isn't a major thing if hard to do th...

...Customers will enter a warm, relaxing atmosphere where they will receive professional tax filing over a chat and coffee. Our slogan is "Relax. It's just tax." Key Requirements: - Utilize color theory to help embody the emotions we want to convey. - Design should exude a sense of relaxation so people expect a spa-like interior. - It should also convey the spirit of professionalism, competence, and hard work. - Ensure the logo appears professional and suited to the tax filing industry. Ideal skills: - An eye for vibrant, attention-grabbing details. - Successful track record in logo and branding design. - Experience in retail sector graphics would be a plus. - Proficiency in Adobe Creative Suite or similar software. - Strong communication to understand and brin...

We need to create a web-page for an FX Currency Exchange. Its very comfort because we dont have to link any API or use a hard coding skills. We need the project have very good visuals looking for atract clients. All its made via WORDPRESS We going to bring admins acces to the wordpress project to let the editors make any change as they want. Remember the base of the project has to be the same as the websites examples.. Some examples:

I'm on the lookout for skilled blockchain backend developers with proficiency in Python, JavaScript, and Solidity. Your understanding of Ethereum and experience in blockchain will prove to be incredibly valuable. The key features I need you to support in the blockchain backend are smart contracts and the development of decentralized applications (DApps). Ideal Skills and Experience: - Proficient in Python, JavaScript, and Solidity - Experience with Ethereum - Prior work in blockchain development - Knowledge of smart contracts - Proven experience in DApp development Your ability to deliver efficient and secure blockchain backend solutions, that facilitate the execution of smart contracts and the development of DApps, will be crucial for the success of this project.

I'm looking for a developer with in-depth experience in creating smart contracts on the Ethereum blockchain. Key Requirements: - Develop a multisend smart contract that supports ERC20 tokens. The contract should allow for the distribution of ERC20 tokens to multiple recipients in a single transaction. - Implement pause functionality as a security feature. This is crucial to protect the contract from any potential vulnerabilities or attacks. - We would like to be able to interact with the contract if possible (on etherscan) Ideal skills and experience: - Proficiency in Solidity, the programming language used for Ethereum smart contracts. - Prior experience in developing multisend contracts and incorporating pause functionality. - Knowledge of best practices for smart ...

I'm looking for an experienced cold caller who can efficiently make appointment setting calls on a global scale. The ideal candidate must have: - Proven track record in cold calling and appointment setting - Understanding and experience in dealing with international markets - Sound knowledge of the online p...- Sound knowledge of the online products industry The main responsibilities include: - Identifying and targeting global potential leads - Making effective cold calls to these international prospects - Successfully setting appointments with these leads Skills and Experience required: * Cold calling experience * Excellent communication skills * Knowledge of the online product market. Your hard work will broaden our global presence and help us venture successfully in...

I am in need of a skilled blockchain developer who specializes in Ethereum to create a smart contract for asset management. Key Responsibilities: - Develop a smart contract on the Ethereum and other platforms - Design the contract to facilitate asset management Create tokens Ideal Candidate: - Proficient in Ethereum & Blockchain platform - Experienced in creating smart contracts - Strong understanding of ERC-20 token standard - Prior experience in asset management on blockchain - Familiarity with secure and efficient coding practices Please provide relevant samples of your previous work.

We're dividing assets into fractions. We have .sol files related to smart contracts (ERC20 on Ethereum with a bridge on Gnosis). We're in search of an expert who can review these files and determine their functionality for deployment. Should this collaboration proceed smoothly, we're open to establishing a long-term partnership for technical support.

I require an engaging, heartfelt letter writer with an innate ability to convey my thankfulness to my colleagues at my workplace. This letter should revolve around my deep sense of gratitude for their continuous support and hard work. Skills and Experience Required: - Strong proficiency in English language - Excellent creative writing skills - Prior experience in personal letter writing - Ability to express emotions subtly yet powerfully I look forward to receiving proposals that include samples of previous work, demonstrating your ability to craft a compelling personal message.

I require an engaging, heartfelt letter writer with an innate ability to convey my thankfulness to my colleagues at my workplace. This letter should revolve around my deep sense of gratitude for their continuous support and hard work. Skills and Experience Required: - Strong proficiency in English language - Excellent creative writing skills - Prior experience in personal letter writing - Ability to express emotions subtly yet powerfully I look forward to receiving proposals that include samples of previous work, demonstrating your ability to craft a compelling personal message.

I'm looking for a skilled individual or team to assist with various aspects of my marketing strategy. Primarily, I need help with social media management, email marketing, and content ... After a decade of creating original, show stopping, designs in my hand woven cinches and breast collars, moving to unique saddle blanket designs came naturally. My deep connection and love of all nature are key inspirations in my designs. Wild Ride Saddle Blankets will shine in the Show Ring, on the Ranch and on the Trail. “Wild Ride” saddle blankets are for those who understand quality, hard work and an entrepreneurial spirit … for the MAVERICKS, the true-hearted who aren’t afraid to stand out in a crowd and walk their own path. The Wildflower Ranch celebrates...

I'm seeking a skilled marketing professional to construct a comprehensive investment offering. This is projected to facilitate the acquisition of an apartment complex in the next 3 months. **We will collaborate on the financial projections, specific business plan, etc. - we need someone who can beautify the hard data (text/financial projections/graphs/maps) and make it digestible to read for a prospective investor. Our end goal is to have TWO forms of this investment offering (a summary teaser that is high-level, and a more granular deck that contains additional detail) that we can recycle on future acquisitions by altering text & numbers without having to re-create the entire pitch** The offering must contain: - Detailed information on the property and a projecti...

I am seeking a skilled developer fluent in Solidity to develop a web3 smart contract using the Base Sepolia Test Net. Your task will involve: - Developing web3 integration - Designing the simplest UI possible Ideal candidates should have previous experience with Ethereum blockchain technology, Solidity programming distinct to the Base Sepolia Test Net, and the creation of adaptable user interfaces. A background in web3 integration is highly desired. Please provide samples of smart contracts you've developed or relevant project references in your bid.

We're dividing assets into fractions. We have .sol files related to smart contracts (ERC20 on Ethereum with a bridge on Gnosis). We're in search of an expert who can review these files and determine their functionality for deployment. Should this collaboration proceed smoothly, we're open to establishing a long-term partnership for technical support.

I am seeking a skilled Blockchain Developer who can...skilled Blockchain Developer who can create a Smart Contract on the Ethereum platform. The primary function of this smart contract will be to manage and optimize our supply chain processes. Key Responsibilities: - Developing a custom Ethereum smart contract that encapsulates the logic for our supply chain management system - Ensuring the smart contract is secure, efficient, and optimized for our specific use case Ideal Skills and Experience: - Proven experience in developing on the Ethereum platform - Strong understanding of Blockchain technology - Experience in deploying and managing Smart Contracts - Familiarity with supply chain management systems is a plus Please provide examples of previous work related to ...

I'm in need of an experienced mobile app developer with proficiency in PayPal API integration. The app is intended for an adult audience and the key functionality will be payment processing. Ideal Skills: - Experience in cross-platform mobile app developm...PayPal. Candidates should have a strong portfolio showcasing similar projects. If this sounds like you, please bid with your plan of action and expected timeline. The Project: There is a requirement to develop a piece of code that; 1. Retrieves the names of four individuals from a server 2. Sends a single payment to the four individuals Note: As the app will be used by many different users, hard coded PayPay IDs is not possible. Upon completion of this small piece of development, the code will be integrated into anot...

New freelancers from Pakistan and India. I need some Coders of Python, Asp.net for some easy tasks I need work for long term I need a serious and hard working persons

I am looking for an intermediate level blockchain developer with a strong understanding of Ethereum. Key Requirements: - Proficient in developing smart contracts - Experience building decentralized applications (DApps) - Competency in token creation and management The ideal candidate should be able to work with the Ethereum blockchain platform and implement these functionalities effectively. A solid understanding of blockchain technology is essential, as well as the ability to work independently and deliver high-quality code. We are not looking for a beginner, so please apply only if you have the relevant experience and can demonstrate your previous work in this area.

New freelancers from Pakistan and India. I need some Coders of Python, Asp.net for some easy tasks I need work for long term I need a serious and hard working persons

I need some Coders of Python, Asp.net for some easy tasks I need work for long term I need a serious and hard working persons

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I’m seeking a Google Ads expert to help me resolve errors and enhance the overall input and output mechanisms of my campaign. Key Requirements: - Correcting incorrect or unexpected output. - Enhancing the input process to make it more user-friendly. - Addressing issues with incomplete information and output that is hard to understand. Your role will be not only to resolve these issues but also to optimize the campaign to help me achieve my primary goal - which is to significantly improve the performance of the ads. Key Skills and Experience: - Proficient in Google Ads, with a proven track record of successful campaigns. - Strong understanding of data analysis and interpretation. - Experience in troubleshooting and fixing errors in Google Ads. - Excellent communication ski...

...compatible with various blockchain platforms. The tool should allow me to create, manage, and distribute different types of tokens including utility tokens, security tokens, collectible tokens, and NFTs. I need the following features to be incorporated in the tool: - Customizable token name and symbol. - Ability to set token supply and decimals. - Integration with a range of blockchain platforms (Ethereum, Binance Smart Chain, BASE, POLIGON, FANTOM, ARBITRUM, OPTIMISM, AVALANCHE AND SOLANA, RELATIVES TESTNETS). - Capability to create a liquidity pool. Ideally, you should have: - Advanced knowledge and experience with blockchain technology and token creation. - Proficiency in working with multiple blockchain platforms. - Previous experience in developing similar web3 tools. -...

I'm in need of a hard-hitting investigative journalist who can help me uncover and report on corruption and corporate scandals. Key Requirements: - Your primary focus will be on corporate scandals and corruption - Your research and investigation skills must be top-notch - Experience in handling sensitive information and maintaining confidentiality is a must - The ability to present your findings in a compelling and newsworthy manner is crucial - Experience with uncovering fraud and unethical business practices will be highly valued. Your investigative work will be centered around a specific case: a car dealership scam. Your task will be to delve deep into this scam, uncover the intricacies of the fraud, and present your findings in a manner that is both engaging and exposes ...

I'm seeking a talented developer to create an Ethereum-powered case opening/battle site. The main objective of this project is to create an engaging and unique site that can attract users. Key Features: - Real-time battle simulation: This feature is essential for the site to provide an immersive user experience. It should be engaging, interactive, and able to handle a high volume of users simultaneously. - User authentication and registration: The site should include a secure and efficient authentication system to protect user data and ensure smooth user experience. - Secure payment system: As this project is Ethereum-powered, a secure and reliable payment system is crucial. This system should be able to handle cryptocurrency transactions securely and efficiently. ...

I need a proficient Solidity and Web3 developer to help build a smart contract on the Ethereum network. The primary functionality of the contract is to facilitate fund transfers and sharing. Ideal Skills and Experience: - Solid experience in Ethereum smart contract development - Expertise in Solidity and libraries - Familiarity with test networks I need to create a smart contract and wallet connection using metamask. Here's an example; On this link, they only can donate using a credit card or debit card. I want to pay with eth test network (using metamask) and the smart-contract is; Person A needs 2000ETH for their project with a deadline of 30 days and share the profit 10% after 10 days of the project to reach the goal

...programming languages including JavaScript and Python. Experience with blockchain technology and familiarity with Neo N3/Neo Name Service is a bonus. Although familiarity with any frameworks was not specified, being agile and adaptable will be crucial in successfully delivering this project. Key Requirements: * Proficient in JavaScript and Python programming languages. * Familiarity with Neo N3 , Ethereum and overall blockchain technology is helpful * Ability to quickly learn and implement new libraries and frameworks. * Ability to deliver clean, maintainable, and efficient code. * Deliver a fully functional multi-language Web3 widget within a 2-4 week timeframe. Goals: 1. Develop a widget that can register and resolve wallet names using NNS 2. Ensure compatibility and easy ...

I'm representing a travel online agency, looking to expand our services into the web3 space through the Camino Network. We are in need of a skilled developer to assist us with the following services: - Smart Contracts Development: As we transition to the web3 envir...Development for Selling/Buying Travel Services: We are also looking for support in building a robust system for selling and buying travel services. This system should seamlessly integrate with the Camino Network, providing a user-friendly interface for both us and our potential partners. The successful freelancer for this job will have a strong understanding of blockchain technology, particularly in Ethereum, and experience in developing smart contracts for e-commerce purposes. Experience in the travel industry w...

I am looking for a skilled producer to help me create a hard-hitting crime documentary focused on the topic of malicious prosecution leading to a death sentence. The main angle of this documentary will be exploring the corruption present within the justice system. Key Points: - Focused on the topic of malicious prosecution resulting in a death sentence - Perspective: Corruption in the justice system - Seeking to feature experts such as legal professionals, formerly wrongfully convicted individuals and evidence to show cause in the documentary. Ideal Skills and Experience: - Prior experience in producing crime or investigative documentaries - Strong understanding of the legal system and corruption within it - Ability to weave together complex legal narratives in a compel...

I work for a security company. We needed a spreadsheet to track security units and track what they're doing. I have the code almost perfect, but it's buggy enough that it's hard to use. There's quite a bit of backend code and intermittent problems with it. I need someone who is great at project code to look at it, troubleshoot it and make it more user friendly.

I need a graphic designer who can create dynamic and engaging advertisements designed specifically for digital signage screens. The designer will need to produce both digital and social media adverts that can fit all screen sizes and orientations. The ideal candidate for this project will have: - Proficiency in creating digital ads and social media graphics - Experience in designing ...communication to ensure that the design aligns with our brand identity and meets our advertising goals. The designs should not only be attractive but also effective in their messaging. Please include examples of similar work you've done in your proposal. My company works with hundreds, and soon to be thousands of businesses/brands so this can become a huge opportunity for someone who’s willing t...

Hi We are building one app launcher that will have many apps in it, we are working hard to adjust all apps to fit it and we need automation to scale our manual work, what we do is: if you know a way this can be done using automation please reach me first i open each games in unity to see the libraries they are using than i delete the In-app purchase and ads libraries After deleting the libraries, we get errors in codes that uses ads and lAP, so i fix them than i modify the code to give the in app items to users for free Than i have to check for all the static variables used in games, because they needs to get reset every time user come back to home page, else, they will get error the next time we play the game Than i have to create bundle of all the images, sounds and stuffs ...

...natural wood material that will be used for the physical product. Technical drawings or schematics that include precise dimensions and angles. A 3D rendered image showing the design from multiple angles for final approval before CNC programming. Design Specifications: Shape: Octagonal tower as depicted in the reference image. Size: Length: 30 cm Width: 2.8 cm (for one face of the octagon) Material: Hard Wood and some parts can be of metal to make the design look more attractive(metal engraving). Design Notes: The design involves creating one face of the octagon and repeating it to form the complete structure. The structure can also be separated into three or more segments for easy building which can be assembled on top of each other. Attention to detail is critical for seamles...

I need to have a wallet connection feature on existing NFT marketplace. Key Requirements: - You should have a good understanding of NFT marketplaces and blockchain technologies. - Proficiency in Ethereum blockchain development. - Prior experience(Most important) with Web3Auth and wallet connection - Ability to develop a clean and minimalist user interface for the NFT marketplace. Please get in touch if you have the skills and experience to deliver on this project.

I'm seeking an experienced telemarketer who specializes i...on: - Marketing a diverse range of products and services inclusive of attracting event visitors and promoting a clients solar B2B services. We have many different clients so it's a varied role and very interesting. - Engaging with potential customers to cleanse and confirm data Ideal Skills: - Strong spoken communication skills. - Consistent track record in sales & marketing although we are not hard sales, we don't do end sale, we are more marketing and promoting on behalf of our clients - lead generation, data cleansing - Familiarity with dealing with a diverse customer base. - Has own laptop and ability to work remotely from a quiet location - This could suit a working parent as work can be up and do...

Have original dongle for a software with us. We need to either create soft copy and use system without hard dongle or make copy of hard dongle with new one.

→ Tasks to be performed: ● Implementation of an algorithm capable of playing Tetris as an opponent to the player. The Tetris is a special Tetris designed by the client. ● Artificial intelligence with multiple difficulty levels, namely: Easy, Normal, Hard, and Extreme. ● Thorough testing to ensure optimal performance and gameplay. → Details: Two videos were provided as reference: "chess-tetris 1" and "chess-tetris". "chess-tetris 1" is the traditional Tetris, which is being played automatically by a machine, while "chess-tetris" is the client's Tetris, which is multiplayer and the pieces fall in opposite directions, towards the center of the screen. An artificial intelligence capable of imitating the Tetris from the video "...

I'm seeking a talented developer to create an Ethereum-powered case opening/battle site. The main objective of this project is to create an engaging and unique site that can attract users. Key Features: - Real-time battle simulation: This feature is essential for the site to provide an immersive user experience. It should be engaging, interactive, and able to handle a high volume of users simultaneously. - User authentication and registration: The site should include a secure and efficient authentication system to protect user data and ensure smooth user experience. - Secure payment system: As this project is Ethereum-powered, a secure and reliable payment system is crucial. This system should be able to handle cryptocurrency transactions securely and efficiently. ...

...narrative should be captivating, immersive, and tailored to an adult audience. - The second screen doesn't need to show the fusion as they have it now simply focus on how easy they are to apply. - The third screen should show the finished part being the same wheelie bin, and then have the following call-out text - guaranteed for the life of your part, vibrant colours, polymer-based inks, UV resistant, hard-wearing. - Final screen should be a screen with our brand (PSI Brand). For more info on the product please head here - and please note as per the top of this brief we're really looking to highlight the hotstamping capabilities of our graphics. Ideal Skills and Experience: - Proven experience in creating high-quality 3D animations, particularly

Create a relational database for the following data in a single tables with parts store. You may use alphanumeric to represent store and use surrogate key as primary key. Bring a hard copy in class and answer two quires in class. (points Project creation 20 + two query 20) 1. Vendor 1: Low Hardware, 1200 Harding st, Pine Bluff, AR 71602, Phone 870-535-1000 Supplies screw Size Steel Size Unit Price QTY Stainless Steel QTY Unit Price 6-32 Yes ½” .02 300 Yes 100 .04 6-12 Yes 3/4” .03 300 Yes 200 .06 6-32 Yes 1” .04 400 Yes 200 .08 6-32 Yes 1 ¼” .05 300 No 0 .10 6-32 Yes 1 ½” .06 500 Yes 20 .12 8-32 Yes ½” .04 300 Yes 200 .08 8-32 Yes ½” .05 400 Yes 100 .10 8-32 Yes ¾” ...

We are currently seeking a talented Web3, Smart Contract, Solidity developer to join our team. The ideal candidate will have exp...test smart contracts on the EVM chain Implement and deploy decentralized applications using Web3 technologies Collaborate with team members to design and implement new features Keep up to date with the latest trends and developments in the blockchain space Requirements: Proficient in Solidity programming language Experience with and other blockchain development tools Familiarity with Ethereum and other EVM-based chains Strong problem-solving skills and attention to detail Excellent communication and teamwork skills If you are passionate about blockchain technology and eager to work on cutting-edge projects, follow the attachments with your resume. Tha...

when Iexport data from our online store it all over the shop and hard to follow. need someone to clean it up and make readable.

I am in need of a developer with experience in deploying contracts on the Ethereum blockchain. Specifically, I want to deploy a polygon contract on Ethereum as soon as possible. example contract Key Points: - I have a high urgency requirement, the project needs to be completed ASAP.

I'm looking for someone to manage my eBay store. I don't have a supplier. I need your supplier(s). I would like to see your current sales and reviews. I have an older account with unlimited listings and an unlimited budget. I need you to have a team of hard workers and creative work-around suppliers for eBay. Work is percentage pay, no flat fee(s). We can keep payments right here on Freelancer if you like. The more you have to offer the higher the percentage we can negotiate. Let's elevate my eBay store to the next level.

I need a skilled full-stack PHP developer with expertise in core PHP. The project is of a small scale, consisting of a few pages and features. Key requirements for the role include: - Proficient knowledge in core PHP - Experience in Database Management and APIs is crucial - Attention to detail and commitment to deadlin...full-stack PHP developer with expertise in core PHP. The project is of a small scale, consisting of a few pages and features. Key requirements for the role include: - Proficient knowledge in core PHP - Experience in Database Management and APIs is crucial - Attention to detail and commitment to deadline - Good communication skills The candidate should demonstrate enthusiasm, initiative, and a hard-working approach to any challenge given. I look forward to working...

For this critical project, I'm seeking a skilled Flutter Developer, particularly from Assam, to help me create a comprehensive Cry...Registration and Login: Users should be able to easily register and log into the app using social media authentication. Experience with implementing such mechanisms is essential. - Faucet Claim System: The App must allow users to claim cryptocurrency, with a smooth and user-friendly interface for the same. - Crypto Wallet Integration: Specifically, an Ethereum wallet needs to be integrated into the app. A developer with experience integrating Ethereum or similar crypto wallets is ideal. Suitable candidates should have previous experience developing similar apps using Flutter. Strong background working on crypto apps or any blockchain techn...

I am seeking knowledgeable developers to construct a centralized cryptocurrency exchange with a comprehensive inclusion of Bitcoin, Ethereum, and Ripple. Key requirements for the task are: - Efficient Development: You should have a strong background in creating crypto exchanges and understand the specific mechanics involved with centralized platforms. - Advanced Trading Features: The platform needs to include extensive trading options to cater to users of all cryptocurrency trading levels. - Solid Security Measures: Given the onset of cyber threats, you'll need to harness your end-to-end cryptographic knowledge to ensure top-notch security measures. - Engaging User Interface: The ability to build an intuitive, easily navigable and engaging user interface is crucial. Prove...