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Smart contract - block Chain

$1500-3000 USD

Closed
Posted over 5 years ago

$1500-3000 USD

Paid on delivery
Block chain expert with expertise in solidity, as part of the elimination process, a simple smart contract has to be written, less than 20 lines, The project is for an agricultural market place, the developer should be able to write a few lines with a smart contract for an agricultural market place, where people can buy and sell products e.g. Coffee, Fish, Irish Potatoes, Beef. Failure to provide a sample file will lead to automatic elimination, they are so many examples on github. Payments should be handled through a digital currency.
Project ID: 18361995

About the project

29 proposals
Remote project
Active 5 yrs ago

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29 freelancers are bidding on average $2,292 USD for this job
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Hello How are you? I read your description. I am blockchain expert and as you see I have a good experience of blockchain project. I wanna discuss more via chat. Thanks
$2,500 USD in 30 days
5.0 (28 reviews)
6.5
6.5
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I’m Full Stack Developer. (Cryptocurrency Expert) I am confident that you will be completely satisfied with the quality, timeliness, and professionalism of my work. - I can start work from right now. - Flexible working time (possible on weekend, night, day) - like to work in the team. - Masters degree in Computer Science - more than 10 years experience in Development on IT jobs. Experiences: Developed a lot of Applications(web and mobile, desktop), Blockchain and cryptocurrency expert, Server Administrator Hope to hear messages from you! Thanks!
$2,500 USD in 10 days
4.9 (8 reviews)
6.5
6.5
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We have launched ETH Fork with 5 Billion Coins along with blockchain, Wallet(Window, Linux, Mac) supportive POS/POW, ICO, White Paper, exchange listing, exchange & trading system. As well as we are expert with Waves blockchain solution... Please contact me via private message for further discussion and some our previous projects we have done in past. Looking forward to hear back from you. With Regards, Kumar
$2,000 USD in 20 days
3.7 (5 reviews)
5.8
5.8
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Hello sir. Hope you are doing well. I'm a blockchain expert. I have experience in blockchain. solidity is no problem for me. I can do it perfectly. Thanks, regards.
$2,000 USD in 20 days
5.0 (1 review)
2.5
2.5
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smart contract block chain High Quality + Fast Speed = Excellent Result + Business Success, this is my working style. I have gone through your Job post and I can understand your job requirement thoroughly. I have a total of 15 years of experience in Web Designing and Development and had completed a number of projects with some great graphics and User Interface so far. I have all the required skills and experience you need for the above Job. I have strong command over: * WordPress, PHP, Wordpress themeing, Plugin Development * Android and IOS all kind of mobile apps development *Responsive theme Design * HTML5, CSS3 , Jquery, Bootsrtap, Git, * Widget Development * Other CMS: Magento, Joomla, Expression Engine, Drupal etc. * I’m honest & trustworthy, dependable & fast learner. * I’ve over 7 years experience in Wordpress Website designing/development. * I am available 40 hours a week for your job. You can be assured of a quality communication and the quality of the work provided from my end. I’m looking forward to hearing from you soon. Thank you for considering my cover letter.
$1,741 USD in 30 days
5.0 (1 review)
0.0
0.0
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Hi,dear. I am very interested in your project - 'Smart contract - block Chain'. I've already done this kind of project before. I'm a professional programmer with 12 years of experience. If you award me, I'll implement all of your requirements in a short time. Skills: Blockchain, Ethereum
$2,500 USD in 13 days
0.0 (0 reviews)
0.0
0.0
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Hi,dear. I've just checked all requirements of your project 'Smart contract - block Chain'. I'm a senior software developer and I'm able to fulfill your project requirements ,you may be interested in me. Please come in contact so that we can discuss more for further details... Skills: Blockchain, Ethereum
$2,500 USD in 13 days
0.0 (1 review)
0.0
0.0
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My team are most talented and well experienced researchers and developers in data analysis you can ever find. having a project but it is very difficult to choose who is capable of doing your work as the way you wanted? Looking for freelancer, who can manage anything that comes up with great response and quality work but for fair price? We will try our best effort to provide good solution and if we are hired you'll definitely receive outstanding result before the project deadline. Look no further, and feel free to contact us. Talking about skills, my team can manage anything that comes up with data science such as data analysis and mining including image processing, Machine learning algorithm and developing the Python, R, hadoop,Sas, Weka, Martlab, Labview.
$2,222 USD in 30 days
0.0 (0 reviews)
0.0
0.0
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Hello sir Thanks for posting job...!! We have vast experience on block chain development like token and smart contract development using solidity, Coin Development, ICO Development, exchange and trading platform development..etc. Here I would like to share Crypto Coin development steps are as- Key Features for the Coin Development: Master node setup Setup coin entities Compile code for the coin generation generate block hash Pool mining setup Implement POW and POS Algo's Block Explorer Web wallet Development Admin Wallet Development Smart contract Exchange Connectivity API Skill We have for the project are as- • Nodejs, C, Typescript, Java • Blockchain o Tangle and IOTA o Forking and working with Consensus o POW schemes - asic resistant pow such as hashcash • Cryptography o Scrypt/SHA-256/SHA-3/keccak256 • Signature schemes o DSA/ECDSA/RSA o Schnorr/Lamport/Winternitz/BLS • Defensive Programming • Unit-Testing Framework, like Mocha. • Git / Github • Management - Jira Please message me so I can explain you each step of development by showing you demo about the project. Awaiting for your response. Thanks and Regards Nilesh
$2,000 USD in 30 days
0.0 (1 review)
0.0
0.0
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Hi! I have got a team of 8 members. We are Really interested to do work with you, We are a Software development company having more than 6-years experience in Software development. We have mastered C/C++, C#, Java, Python and have the good experience in web technologies (PHP, ASP.NET, javascript, MySQL, etc) and have a good understanding of blockchain technologies such as bitcoin, ethereum, Tor , and have a lot of experience and practical expertise in smart contract development, creating tests for Ethereum, technical implementation of ICO. (Crypto Currency Exchange, Blockchain, QT wallet, Android Wallet.) Please contacts me, and we can discuss more detail. Regards
$2,500 USD in 30 days
0.0 (0 reviews)
0.0
0.0
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Hello,
 We are a company based out of Gurugram,India Working on some Core AI and Blockchain Technologies. Some of our core services offered:- 1. Text to Speech/Speech to Text 2. Blockchain/Smart Contracts 3. Face Recognition/QA using CVIP(Computer Vision & Image Processing) 4. AI based Automation using CVIP 5. Quorum/Hyperledger 6. NLP integrated bots Do let me know if you have any chance to discuss on any these fronts. I would be happy sharing Company profile with previous projects executed.

$2,833 USD in 30 days
5.0 (1 review)
0.0
0.0
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Hello Employer, We can assist you to write the smart contract for the agriculture market of buy and sell purpose I can share our works in private chat. We have expertise in Cryptocurrency Exchange DApp Decentralized Exchange ICO Security Token Initiate the private chat at any instance Regards Pratish
$3,111 USD in 30 days
0.0 (0 reviews)
0.0
0.0

About the client

Flag of GERMANY
Munich, Germany
4.9
9
Payment method verified
Member since Jan 12, 2008

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