Erc20 wallet coinbasecông việc

Bên mình đã có team xây web, cần 1 dev có hiểu biết về blockchain, token, smartcontract để làm 1 smart contract riêng, có chức năng kết nối vào ví trust wallet. Công việc sẽ thảo luận chi tiết riêng.

Cần 1 bạn chỉ cách mình viết đoạn code asp.net để mua và bán usdt TRC20 , ERC20 giữa 2 ví usdt với nhau.

Mình đang cần một bạn làm React Native cho dự án ví tiền điện tử (Cryptocurrency wallet). Chỉ cần làm phần giao diện và animation cho các phần tử không cần làm API Yêu cầu : Có ít nhất 1 dự án đã làm việc với React Native

Lập trình ERC20 với 1 tỷ Token trên nền tảng ETH. Với mã là BSE và Token gán thêm 0x để có thể dùng myetherwallet để chứa token và cộng đồng có thể chuyển cho nhau qua ví với ví.

thiết kế túi sách cho phụ nữ, cần một bộ thiết kế ba hoặc bốn mẫu thiết kế túi sách: handbag, clutch bag, wallet, và tote bag

I want sustem do 1-user connect wallet with useWallet 2-send 10 slt oken from the token address 3-money ended after confirm transaction with wallet to admin address use react and this versions "@solana/spl-token": "^0.2.0", "@solana/wallet-adapter-base": "^0.9.23", "@solana/wallet-adapter-react": "^0.15.35", "@solana/wallet-adapter-react-ui": "^0.9.35", "@solana/wallet-adapter-wallets": "^0.19.32", "@solana/": "^1.33.0", need this mall task today

I am keen on developing an e-commerce platform specializ...critical components of this platform should consist of: 1. Inventory Management: A real-time inventory management integration is a must-have. Your expertise in crafting inventory systems capable of instant updates will be advantageous. 2. Payment Options: Accommodate for a comprehensive range of payment methods - Credit Card/Debit Card, PayPal, and various Digital Wallets such as Apple Pay and Google Wallet. Ideal candidates for this project should have prior experience building e-commerce platforms, with a solid understanding of payment system integration and real-time inventory management. A portfolio with similar projects in scope would be appreciated. Please be prepared to adhere to a strict timeline while maintainin...

I require a skilled Flutter developer to resolve multiple issues prevalent within my application. These involve: Bugs and fixes 1. Remove the two onboarding screens designs 2. The "Support" page is a widget, not a Webview 3. Add "Events" icon on menu bar 3. Remove header area on "Activity" p...Flutter developer to resolve multiple issues prevalent within my application. These involve: Bugs and fixes 1. Remove the two onboarding screens designs 2. The "Support" page is a widget, not a Webview 3. Add "Events" icon on menu bar 3. Remove header area on "Activity" page 4. Change "Place Bets" text to "Banter" 5. Remove the image behind on the Swipe page 7. Remove the circled areas in "Wallet page&...

I want a python script that will check the balance of my four wallets inj1.... (injective blockchain), cosmos1.... (cosmos blockchain), osmo1.... (osmo blockchain) and juno1.... (juno blockchain) every 5 seconds. And in case the INJ balance increases, ATOM. OSMO or JUNO, then the entire balance will be transferred fully automatically to another wallet inj1...., cosmos1...., osmo1.... and juno1.....

For this critical project, I'm seeking a skilled Flutter Developer,...comprehensive Crypto Faucet App. Key Project Features: - User 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...

...tickets and redeem their prizes. Key Features: - Ticket Purchasing: Users should be able to easily buy their lottery tickets through the app. - Prize Redemption: Once the lottery results are out, winners should be able to easily redeem their prizes through the application. Payment options: - In-app purchase: It should support in-app ticket purchases to smoothen the transaction process. - Digital Wallet: Users should be able to pay using their digital wallets. This will require integrating reliable payment gateways for a smooth and secure transaction process. Ideal candidates for this project should have: - Experience in Android app development, especially with payment gateways and in-app purchases. - Proficiency in integrating and working with digital wallets. - Previous work...

I want sustem do 1-user connect wallet with useWallet 2-send 10 slt oken from the token address 3-money ended after confirm transaction with wallet to admin address use react and this versions "@solana/spl-token": "^0.2.0", "@solana/wallet-adapter-base": "^0.9.23", "@solana/wallet-adapter-react": "^0.15.35", "@solana/wallet-adapter-react-ui": "^0.9.35", "@solana/wallet-adapter-wallets": "^0.19.32", "@solana/": "^1.33.0", need this mall task today

...platform specifically designed to handle Bitcoin (BTC) transactions. The platform will facilitate the secure storage, management, and distribution of BTC funds, allowing users to connect their wallets, initiate automatic payments, and convert funds into USDT or other cryptocurrencies. **Project Details:** - Develop a Crypto Host platform with robust support for Bitcoin (BTC) transactions, including wallet integration, automatic payment setup, and currency conversion functionalities. - Implement advanced security measures to protect users' BTC funds and personal information, ensuring compliance with industry best practices and regulatory requirements. - Design a user-friendly interface that enables seamless navigation, account management, and transaction tracking for users o...

i need TG mini app for my project with Solana wallet integration , same notcoin limitated budgent

We need someone with experience in supabase and react native/expo, the main task is develop the business logic...someone with experience in supabase and react native/expo, the main task is develop the business logic that we need in the app. Features: Authentication Post Post detail Post filter Create offers for those post List of offers and filter View users profile and info List of transaction's Invoices list and detail Wallet like system (deposit and withdrawal) List of tables and columns: Profile, 9 columns Homework, 10 columns Offers, 4 columns Review, 6 columns Invoice, 10 columns Wallet, 7 columns Transactions, 8 columns Bank list, 4 columns Subjects, 4 columns The app is done in react native, we have the project with all design implementation, just need to inte...

I'm seeking a highly skilled app developer who can meticulously create an Android-based Telegraph wallet with key features and security measures. Features: - It should be capable of initiating fund transfers and receiving them, functioning seamlessly. Security: - To ensure superior protection against potentially harmful breaches, it must incorporate a reliable two-factor authentication and biometric authentication. To succeed in this project, you need prior experience in Android app development, specifically with financial apps, and an understand of encryption systems for enhanced app security. Proven expertise in integrating two-factor and biometric authentication is expected. Let's take Telegraph wallet's functionality and security to the next level together!

1. First code t...that reads token adresses from .txt or .csv file and reads if the token is found first time or it second if the first time then buys x amount of SOL or USDC (depends which one is better for you) then if the token adress was already found before then skip, search for other new token addreses in that .txt or .csv Then check current bought tokens price and if the price increased 100% sell out 50% of wallet total token holdings if the price increased 300% sell out 100% ot token, if the price from entry price went down to -90% take out 100% 2. Add function to that primary code before buying check if liquidity pool is locked and mintable then only enter if not skip and wait for new token adress Swap exchange does not matter I prefer Jupiter depends on the price and code ...

I'm in need of a skilled and experienced web developer who can work with Tonapi. Tools for: - Get Wallet Portfolio: example - Wallet PNL: example or (not finished yet) - Show Last 20 swap transactions Build membership system for Tools: - Admin dashboard to manage user, package, sales report, referral, email - Payment system using Toncoin - Referral system User dashboard member: - Add wallet to favorites - Upgrade membership

...custom-built, specially designed to embody my unique vision and market. * Essential features of the ecommerce website include product listings and a Uniform Payment Interface (UPI) wallet system. A secure UPI payment gateway must be integrated seamlessly, ensuring a safe transaction environment for patrons. * The website should be structured to accommodate less than 10 product categories and subcategories. The design should allow for easy browsing and purchasing. Perfect Candidate: The ideal candidate will have previous experience in PHP and web development, specifically in building custom ecommerce sites. Familiarity with UPI wallet system and secure payment gateway integration is a must. I welcome freelancers who can demonstrate a portfolio of related work. Attention t...

I'm in ne...Bitcoin-focused crypto website with specific features. Key Features: - Real-time price updates: The site should display accurate, up-to-the-second Bitcoin pricing. - User wallet functionality: Users should be able to create their own Bitcoin wallets on the website. - Wallet sync: I need the wallets to sync with the latest data and transactions. Ideal Skills and Experience: - Proficiency in developing secure, feature-rich websites. - Experience with integrating real-time APIs and cryptocurrency-related functionalities. - Strong understanding of Bitcoin and cryptocurrency technologies. - Prior experience in creating user-friendly online wallet systems would be a plus. If you believe you have the skills required to develop a cutting-edge crypto websit...

I'm in need of a developer to establish a system that enables sending Bitcoin via an API key. The project involves integrating and using the Coinbase API. Here's what I'm looking for in an ideal candidate: - Solid understanding of Bitcoin transactions - Expertise in API creation and integration, particularly with Coinbase API - Strong proficiency in programming and troubleshooting Your task will primarily involve the enablement of Bitcoin transfers through API keys, ensuring top-notch security and enhancing user interface for ease of use. Previous experience with similar projects is a big plus. I look forward to your bids, let's talk!

...Develop API through which trading parameters can be submitted, including the trading pool, wallet details, and amount of coin to buy. Queue Management: Set up a MySQL database to manage a queue of trade requests, ensuring that the system processes these requests sequentially and efficiently. Transaction Execution: Create functionality to connect to and interact with different DEXes on BASE, Solana, and BSC to execute trades according to the queued requests. Result Reporting: After executing a trade, the system should format and send transaction details, such as transaction hashes and statuses, to a predetermined callback URL. Security: Implement robust security measures to safeguard wallet details and other sensitive information processed by the system....

I am looking for an experienced Pine Script developer to create a script for the TradingView platform. This project involves indicators, alerts, and backtesting functionalities tailored specifically for cryptocurrency trading. Key Responsibilities: - Develop a Pine Script compatible with TradingView. - Incorporate indicators, alerts, and backtesting functionalities. Requi...in TradingView platform. - Strong knowledge and experience in cryptocurrency trading tools. An understanding of different indicators, alerts, and backtesting strategies in the context of cryptocurrency trading will be vital for this project. A successful delivery of this project opens the door to potential future collaborations. Also have the Alerts and trades be pushed to web hook or api to coinbase and Tr...

...receive lives, and compete for high scores. Monetization: -In-App Purchases: in-app purchases for power-ups, boosters, and extra lives, allowing players to progress more quickly or overcome difficult levels. - Ads: The game should also include advertising, which players can watch to earn rewards such as power-ups or extra moves. Play to earn rewards: each user has the option to add a cryptocurrency wallet address and get paid based on their rank for the day Visuals and Audio: - Colorful Graphics: vibrant and colorful graphics, with visually appealing treats and animations. - Catchy Music and Sound Effects: The game should include cheerful music and satisfying sound effects that enhance the player experience. Others: Setting up the server for game with all game stats showing for...

...cross-functional teams to define requirements and implement new features. - Optimize platform performance and scalability to handle increasing user demand. - Stay updated on the latest developments in blockchain technology and cryptocurrency markets. Requirements: - Strong proficiency in blockchain technology and cryptocurrency protocols. - Experience with cryptocurrency exchange platforms or wallet services. - Proficiency in programming languages such as Python, JavaScript, or Solidity. - Familiarity with security best practices and encryption techniques. - Excellent problem-solving skills and attention to detail. - Strong communication and collaboration skills. - Bachelor's degree in Computer Science, Engineering, or related field (preferred). - Previous experience with f...

I'm in need of a skilled and experienced website developer who can build a cryptocurrency hosting website. The purpose of this website remains undefined, providing an opportunity for creative licence. However, you should keep potentials functions such as wallet services, mining solutions, and ICO hosting in mind. Please include the following in your application: • Your past experience, particularly in relation to cryptocurrency and website development. • A detailed project proposal, outlining your recommended approach for this project. This project will require extensive knowledge of cryptocurrencies, web development, and security measures associated with hosting digital assets.

I'm looking for a skilled developer to create a web-based crypto wallet connector Process as follow, 1. user will use Apply pay/Google Pay or Credit Card 2. user will enter amount and choose option from where they are paying 3. connector will purchase USDT or any other Crypto and deposit to my wallet.

We are a Saudi company looking for FLASH USDT in quantities exceeding 30 million per week We need people to sell FLASH USDT honestly the conditions / 1_ Before the agreement, he must send a test to test the quality of the flash he owns, and then we complete the agreement. 2_ Payment USDT To connect on Telegram @abdullahabdo3

I am seeking a proficient developer capable of designing a graphical user interface (GUI) or website to utilize Coinbase's Wallet API features for Bitcoin transactions that will be compatible with Windows. Project Specifics: - The main function of the interface is to perform the basic buy/sell operations of Bitcoin transactions. - Experience in integrating various APIs, especially Coinbase's Wallet API, is essential. - Familiarity with cryptocurrency, specifically Bitcoin, is beneficial, but not compulsory. Ideal Skills: - Proficient in working with Windows-based GUI or Web development. - Knowledge and experience with APIs integration, preferably Coinbase's Wallet API. - Understanding of cryptocurrency transactions, especially Bitcoin. -PHP, Python, ...

I currently have a working script using the 0x protocol. I frequently get out of gas error messages. I could have 50$ or 3$of ETH in my wallet when this happens so it is not a lack of funds. I believe this is an issue with the script not allocating enough gas. Here is an example of 2 of the TX that failed on Tenderly I need the following: 1. I need someone to fix the OUT of GAS ISSUE AND use the highest amount of GWEI so the TX is processed as fast as possible. 2. ON one of the last lines, the amount of GAS is output. I would like to out ut the TX fee in ETH if possible

...calculate the profit and loss (PnL) for any given Ethereum wallet address. The tool should be able to determine the total number of coins bought, as well as calculate the profit and loss from all transactions associated with the wallet. Key Features: Wallet Address Input: Users should be able to input any Ethereum wallet address. Transaction Analysis: The tool should analyze all transactions associated with the provided wallet address. Profit and Loss Calculation: Calculate the total number of coins bought and the profit and loss incurred from all transactions. User-Friendly Interface: The tool should have a user-friendly interface for ease of use. Skills Required: Proficiency in Ethereum blockchain technology. Experience in cryptocurrency wallet...

Token on solana Name : Make America Great Again Symbol: $Maga Supply : 1 billion Decimals : 9 Tax : 3% buy tax and 3% sell tax(3% to lp and 3% to marketing wallet) *Noone can hold more than 6.7%* (like a supply block) Marketing wallet : GQ5ZVUtoUeLvfAMmUxwMrSNnXacDYSwEZW2abJk2DKcW

As I venture into the cryptocurrency market, I am in need of a Node.js script that allows efficient Solana trades using the Jup V6 API. Key Requirements: - Build a Node.js script that can accurately execute market orders. - Indispensable ability to interact with the Jup V6 API specific to Solana token transactions. - Configure the script to be used with an existing wallet address of mine. Ideal freelancers for this project would have: - Strong proficiency in Node.js, ideally with prior experience in building scripts for cryptocurrency trades. - Familiarity with the Jup V6 API and its various functionalities, especially in relation to market orders. - Solid understanding of the Solana cryptocurrency token. By helping me to automate my Solana trading activities, y...

I'm in need of a skilled developer with specific expertise in blockchain and wallet integration. The project involves building an ICO presale website on the Polygon blockchain. All the necessary content and Figma designs are already prepared; your primary focus will be on integrating the presale contract and MetaMask wallet, as well as implementing a few key features in the contract. here is the design of the website Key Requirements: - Deploy a presale contract on the Polygon blockchain - Implementing a locking mechanism in the contract - Ensuring that tokens are sent only after the presale ends - Make sure only virtual balances are visible; actual tokens are not

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I'm seeking an experienced freelancer to construct a swap program on the Polygon blockchain using Python. The core feature is: - Token Swapping MATIC/ABC token on Uniswap - Use Uniswap Universal Router suppoting V3 version. - Buy(purchasing abc with matic), sell (matic with abc). The code is to check the balances of matic and abc token in metamask's personal wallet before and after buy (or sell). - Monitored and recorded on polygon scanner after the action. - GUI, no site required. Only python code. - Python version should be , Web3 version is recommended as 5.29.0. I'm in need of a developer who is proficient in Polygon blockchain technology, Python programming, and who is well-versed in cryptocurrency transactions. The ideal candidate would have prior ex...

...experience in the Cosmos SDK. The project entails a range of tasks including wallet integration, blockchain development and smart contract deployment. Your primary focus will be ensuring these are seamlessly integrated into the platform. Key Responsibilities: - Implement Wallet Integration: You must have a thorough understanding of how to integrate wallet services into the Cosmos SDK. - Develop Blockchain: Experience in developing blockchains using the Cosmos SDK is essential. You will be responsible for creating a robust and secure blockchain. - Deploy Smart Contracts: Your expertise in deploying smart contracts using the Cosmos SDK will be crucial to this project's success. Deliverables: - Seamless integration of wallet services - A well-functioning ...

Token on solana Name : Make America Great Again Symbol: $Maga Supply : 1 billion Decimals : 9 Tax : 3% buy tax and 3% sell tax(3% to lp and 3% to marketing wallet) *Noone can hold more than 6.7%* (like a supply block) Marketing wallet : GQ5ZVUtoUeLvfAMmUxwMrSNnXacDYSwEZW2abJk2DKcW

Token on solana Name : Make America Great Again Symbol: $Maga Supply : 1 billion Decimals : 9 Tax : 3% buy tax and 3% sell tax(3% to lp and 3% to marketing wallet) *Noone can hold more than 6.7%* (like a supply block) Marketing wallet : GQ5ZVUtoUeLvfAMmUxwMrSNnXacDYSwEZW2abJk2DKcW

...looking for a skilled freelancer to create a bespoke carbon trading website, specifically for Renewable Energy Certificates (RECs). The platform should also integrate a cryptocurrency wallet for our custom digital currency named "Gaga". The main functionalities that I require: - User registration and login system: Ensure that users can easily sign up and access their accounts securely. - Listing and trading of RECs: The platform should allow users to list their RECs and engage in trading activities. - Cryptocurrency wallet integration: The site should have a seamless integration with a cryptocurrency wallet for our digital currency, Gaga. Key Details: - Design: I'm envisioning a professional and corporate layout for the website. The design should be...

...developing a full-featured web application for managing a laundry business - Integrating key features such as Customer Management, Order Tracking, Inventory Management, Barcode Generation, Order Management, Multiple Store Management, Multiple Pricing, Employee Management, Payment Management, Price List Management, SMS Gateway, WhatsApp API Integration, Payment Gateway, Coupons Management, and Customer Wallet Management. I'm looking for someone who can: - Develop a user-friendly and visually appealing web application - Ensure the software is scalable and secure - Implement a responsive design - Create a seamless user experience This is a time-sensitive project, so I need the work to be completed ASAP. Please only apply if you have prior experience with similar projects and...

...NFT contracts. I have already prepared the art works and meta data. The main components of the project include: - NFT Contract: The main request is the creation of a Solana SPL NFT contract. Understanding of SPL (Solana Program Library) contracts is crucial for this role. - Minting Website: The website should cater to both public and pre-sale minting. Experience in developing and integrating wallet functionality for such purposes is highly desirable. - Design: I'm looking to achieve a minimalist and clean design for the minting website. Past works that present a similar aesthetic would greatly improve your chances of successful application. In summary, candidates with a strong background in Solana blockchain, NFT contract creation, and sleek web development will be high...

Hi, I would like a telegram software, multi wallet that buys and sells tokens on radyum and orca, where I indicate the token contract. The bot must allow the generation of different wallets, and I must be able to indicate how many wallets it must generate and must carry out a sale or purchase transaction for each wallet generated. You need to check @onenigger For example: 1) I launch the software 2) I suggest generating 3 wallets 3) Generate public address and private key 4) I send solana to these wallets 5) I send the contract to purchase 6) I decide on ryadium or Orca 7) For each wallet he must purchase the purchased token using 90% of the amount of sol 8) when I decide to sell the token, he must sell the entire amount of the token

...functionalities required: - User authentication - Data input and retrieval - Dynamic content generation - E-Wallet - Money Transfer - Shopping Cart - Admin Panel - API Integration - Mobile Recharge - Crypto Wallet - Payment Gateway Integration - Crypto Integration The project requires a clean and professional design that effectively highlights its diverse functionality and usability. There's no specific framework required for this project, allowing developers the freedom to use the ones they are most comfortable with. Ideal Skills: - Extensive experience in PHP, MySQL, and JScript. - Proven track record in building dynamic web apps. - In-depth understanding of API Integration, Payment Gateway, and Crypto Wallet functionality. - Highly proficient in creating u...

Token on solana Name : Make America Great Again Symbol: $Maga Supply : 1 billion Decimals : 9 Tax : 3% buy tax and 3% sell tax(3% to lp and 3% to marketing wallet) *Noone can hold more than 6.7%* (like a supply block) Marketing wallet : GQ5ZVUtoUeLvfAMmUxwMrSNnXacDYSwEZW2abJk2DKcW

...blockchain, Node.JS, and wallet integration. The game should incorporate the following functionalities: The game now uses backend for the whole mechanism, but I want to make it more decentralized by using smart contract. As you can check on the game, it uses input wallet address and this kind of operation is not comfortable for users. So I want to integrate wallet connect feature on the game. Are you able to implement all of these features? It could be MetaMask, Coinbase, TrustWallet, Rainbow. Please check our current codebase. - Blockchain Technology: Implement blockchain technology to enhance user experience and security. - Node.JS: Utilize Node.JS for server-side scripting to ensure a smooth gameplay experience. - Wallet Integration: Integrate Eth...

An opportunity for Pakistani residents who use their smartphones daily for mobile banking/e-wallet activities. The aim is to test the user experience in e-wallet prototype. Ideal participants are those who will contribute their opinion and user experience to enhance the mobile banking experience. Your role in the UX-research will be crucial in shaping the future of digital transactions. Prior experience in UX research would be beneficial but not essential, as long as you've got daily hands-on experience in using mobile banking/e-wallet. For individuals interested in participating but would like more details, those will be provided. Join us in this exciting venture where your banking experiences matter!

I'm seeking a skilled developer to create a solid payment gateway for my website, supporting English language. The model should be compatible with credit cards, debit cards and digital wallets. An ideal candidate will have significant experience in payment integration and website development. - Key Skills: Website Develo...seeking a skilled developer to create a solid payment gateway for my website, supporting English language. The model should be compatible with credit cards, debit cards and digital wallets. An ideal candidate will have significant experience in payment integration and website development. - Key Skills: Website Development, Payment Gateway Integration - Requires: Credit Card, Debit Card, Digital Wallet functionality - Language Requirement: English - Platfor...

I am looking for someone who can upgrade walletconnect library to latest version. Just need to upgrade Library

I'm looking for a developer who can create stable FLASH coins on Ethereum for my exchange platform. The stable coins should have the following key features: - Low transaction fees - High transaction speed - Programmable smart contracts - Show Ledger wallet balance - Able to transfer to 2 different wallets The desired stability mechanism for these coins should be collateralized. Ideal skills and experience for this job include: - Strong understanding of blockchain technology, particularly Ethereum - Experience in developing stable coins - Ability to implement low transaction fees and high transaction speeds - Proficiency in creating programmable smart contracts - Familiarity with the FLASH concept of collateralized stability mechanisms Please only apply if you have a so...