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Crypto/Blockchain Development

$30-250 USD

Zavřený
Zveřejněno před více než 2 roky

$30-250 USD

Zaplaceno při doručení
We are using Binace smart chain and have deployed a token there XYZ. We need to swap token using interface, which allow visitors to do the following. Connect their wallet. Select the token he wants to exchange from token list ie BTC and type From Quantity. Select the token he wants to exchange to let’s say BNB and to quantity must be populated automatically based on exchange rate between From and to Token (BTC-BNB) Our commission must be applied on each transaction ie 5%. User must be able to exchange from other tokens ie BTC, BNB etc to our Token XYZ . User must be able to exchange from our Token XYZ to other tokens ie BTC, BNB etc . Following things are required. 1. Load tokens from Metamask 2. Select tokens from list Get the exchage price of those tokens. 3. Get the gass price. 4. Swap tokens and update the MetaMask. Charge our commission fee on swapping. We will provide the frontend of the application and you only need to do the backend of it.
IČ projektu: 32256634

O projektu

11 nabídky
Vzdálený projekt
Aktivní před 2 roky

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11 freelanceři nabízejí v průměru $351 USD za tuto práci
Avatar uživatele
Hi, Thanks for your job posting. I'm a senior Blockchain/Solidity Web3 EXPERT, with rich experiences of developing Smart contract, NFT Marketplace, DeFi. While reading your requirement ,I am sure I understood the main goal of your project. As I am strong at this kind of project, I am pretty sure that I can deliver you high quality result within time. If you award me, I'd be very happy to discuss this further and get started for you immediately. I will do my best for you to provide High Quality + Fast Speed + Fulltime. Best Regards
$200 USD v 7 dnech
4,6 (13 recenze)
5,8
5,8
Avatar uživatele
I have been working in the Crypto Currency domain for the last 4 years and have sound knowledge of coin, Ethereum, Polkadot blockchain along with Defi, and NFT knowledge. I am working on 3 parallel Defi and NFT projects in this domain one being creating a lending and borrowing platform by staking the top 10 ERC20, NFT, AltCoin. A very ambitious and promising project where we have a governance mechanism and also a separate token for voting rights. My specialization lies in C#, React, Angular and NodeJS, python, technologies, and I am also well versed with coding in Solidity and RUST. I have written intelligent contracts and can develop Security Tokens as well. Last but not least, we are also working on the blockchain-based replica of traditional debt collection applications. I am looking forward to working with you.
$200 USD v 1 dni
4,9 (7 recenze)
4,9
4,9
Avatar uživatele
Hello Dear Client I read your proposal carefully and I understand what you want I am a senior blockchain developer as well as a full stack developer. I have solid knowledge in smart contracts and rich experience in web3. I will provide you best results and good communication. Looking forward to hearing from you. Thank you.
$200 USD v 2 dnech
5,0 (4 recenze)
4,5
4,5
Avatar uživatele
Hey, Yes, understanding each aspect of the job description, I am available to take up this project and I assure you to complete it within a short period. The main advantage of this job is that i have been professionally engaged in working with this kind of job and have successfully delivered them worldwide. Yes, I do have queries regarding this job and would like to explore the next step of the interview if you have any questions. Kindly let me, I am always prepared for technical tests and interviews. It will good enough if you can spare few minutes to discuss the job now and to take this job to the next level. I am awaiting your earliest reply so that we can proceed forward.
$200 USD v 7 dnech
4,3 (10 recenze)
4,5
4,5
Avatar uživatele
HI I am a developer of Polywhale, Polynx. Blockchain developer, specialised in custom cryptocurrency and blockchain based Enterprise solutions. I have extensive experience in ICO's, STO's, Customising Consensus(POS/POW), Cryptoexchange, Wallets and crypto-bot design, DApps, blockchain websites, web portals, & smart contracts applications development. As a full-stack blockchain developer & solidity programmer, I have successfully delivered a wide range of custom cryptocurrency and blockchain development projects using the smart contracts solidity language with eye-catching user-friendly UI design and high-end functionalities. I understand all aspects of developing Blockchain applications: design, architecture, development, and publishing. ✅ Custom Blockchain Development ✅ Smart Contracts Development ✅ dApps Development ✅ Hyperledger & Multichain Development ✅ Custom Cryptocurrency Development ✅ Cryptocurrency Wallet and Exchange Applications ✅ Private Blockchain Development ✅ Blockchain Consulting ✅ Ongoing Blockchain Development Support and Maintenance I'm flexible with my working hours and will be appreciated to discuss your project at your earliest convenience. Hope that we can work together to make your company a success. Best Regards
$100 USD v 5 dnech
5,0 (4 recenze)
2,6
2,6
Avatar uživatele
Hello. I can work with you to develop crypto swap application well. I have 5+ years of experiences in cryptocurrency and NFT. Thanks.
$200 USD v 7 dnech
5,0 (1 recenze)
2,4
2,4
Avatar uživatele
Hello! Nice to meet you. i read your requirement and very interesting. I have rich experience about that. Please, let me contact and let's have a chatting. I'll wait your reply. cheer for you!
$166 USD v 3 dnech
0,0 (0 recenze)
0,0
0,0
Avatar uživatele
My name is Egor and I am an experienced and professional Javascript developer. My specialization is the creation of back-end and front-end parts for websites and web applications, as well as blockchain development of any complexity. I help my clients to implement any of their ideas the way they want. For 5 years of working in various web studios on top-level projects, I have learned a huge number of technologies and developed clear principles: - I never lose touch - I always bring the project to the end - I do not do work at a lower level than in the portfolio
$200 USD v 7 dnech
0,0 (0 recenze)
0,0
0,0

O klientovi

Pochází z UNITED KINGDOM
London, United Kingdom
0,0
0
Ověřená platební metoda
Členem od čvn 27, 2021

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