Dev. blockchain solidity

Closed Posted 1 year ago Paid on delivery
Closed

Search dev for project in blockchain, specially smartcontract with chainlink oracle and Factom. The idea is to create states for transactions in Matic through a book of operations in Factom and associate a state to a wallet.

Solidity Blockchain Smart Contracts

Project ID: #33920564

About the project

59 proposals Remote project Active 1 year ago

59 freelancers are bidding on average €64/hour for this job

vitalikvaraksa

Hi, Vitaliy is Here. 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 More

€18 EUR / hour
(13 Reviews)
6.4
oleksdubyna

✅Blockchain & Solidity(Rust) & Smart contract Senior Developer✅ Hello respected client. Thanks for posting. I am happy to send my proposal on this project. I am a senior developer have 7+ years of experience in Blockch More

€15 EUR / hour
(86 Reviews)
6.1
NikMart

Hello As you can see my profile I'm blockcahin expert and I have rich experience with blockchain. I've forked blockchain and built many dex and defi projects and I've written smart contract a lot. Please have a chat wi More

€20 EUR / hour
(14 Reviews)
6.6
freelancedev112

Hi,Roberto,How are you? I have vast experience of Fantom,Matic and can surelly work for your project. Let's discuss how to connect a state to a wallet. Thank you.

€2000 EUR / hour
(5 Reviews)
6.2
ernestpapyan

How are you? I am Blockchain expert who has rich experiences in web3 & solidity, developing smart contract. I have developed many of similar projects in recent days. Please discuss more details on chat with me, Regards

€15 EUR / hour
(6 Reviews)
5.4
DanyloNovykov

Hi,there,How are you? I am solidity export and can write smart contract for your requirement implementation. Let's discuss more via chat. Thank you.

€25 EUR / hour
(1 Review)
5.0
VilGerts

Hello client. I have a question. I hope discuss I'm experienced in designing, developing, testing and deploying succesfully many new tokens, ERC20 and BEP20, designing the roadmaps, whitepaper, prelaunch website, socia More

€15 EUR / hour
(3 Reviews)
4.6
onkarkulkarni8

I will help you with the smart contract development as per your requirements using Solidity and the network you chose. Connect with me to discuss further and start with the work ASAP

€16 EUR / hour
(7 Reviews)
4.7
jimenespablo

✋ Hi I am skilled blockchain/Smart Contract developer who have worked on multiple coding and business start-up projects related to blockchains and crypto. ✔️NFT minting website, Smart contract, Generating NFT images, O More

€15 EUR / hour
(5 Reviews)
4.6
nursultansaudir2

Hi. I am a senior blockchain developer with 7+ years professional experience. If you hire me, I can start right now and I'll provide you with the best results to your satisfaction. I'd like to discuss more about your p More

€15 EUR / hour
(5 Reviews)
4.7
lazardevelopero3

Hi, Thanks for your job posting. I have reviewed your job description carefully, and I’m very interested. Because You mentioned skills perfect match to my one with rich experience. It attracted my eyes. The notable poi More

€15 EUR / hour
(2 Reviews)
4.2
neanastasiia10

Hi,I have read your job description carefully and understood what you mean. I am a full stack developer have 5+ years of experience in Blockchain network such as Ethereum, BSC,Solana and creating NFT, and TradingView More

€25 EUR / hour
(6 Reviews)
4.4
NazarankaA

Hello. how are you doing? I have 4 years of experience in solidity and EVM. I have good knowledge in Proxy smart contracts, DeFi, NFT and Cryptocurrency. Also I am familar with Chainlink oracle. Hope to work with you. More

€15 EUR / hour
(7 Reviews)
4.4
VovaLunev1

Hello, how are you? I have good experience in ICO, De-Fi/Dex, Bitcoin, NFT, Dapp and blockchain P2E game in blockchain part Let's chat with me for understanding project deeply for now. Thanks.

€15 EUR / hour
(2 Reviews)
4.0
vadimvirvikhvist

Hi, I carefully read your description and I know your intension. I have sufficient experience in minting page and multi wallet connection such as metamask that you want. I am also blockchain expert with more than 5 yea More

€15 EUR / hour
(2 Reviews)
3.8
alexgurudewloper

Hello I have carefully gone through your project description. I am Aleksei working on the blockchain dapp developer team. Main area of work is Smart contract development using Solidity and Rust. blockchain development More

€15 EUR / hour
(2 Reviews)
3.4
xwcamor

Hi.I am interesting about your project. I read your description closely and I can do your project well. For the project skills, I have lots of experiences for them and you can check in my profile. You will get good More

€15 EUR / hour
(2 Reviews)
3.3
valisergi337

¡Sí! Es fácil, lo puedo hacer a tiempo. He leído todos los detalles y descripciones del proyecto con respecto a 'Dev. solidez de la cadena de bloques'. Le ahorraré tiempo al dejar que mi trabajo hable por usted. Estoy More

€15 EUR / hour
(3 Reviews)
3.0
djordjeristic001

Hello, Client. Thank you for your posing job which seems to fit for me. Senior blockchain developer is here. I am very familiar with oracle and factom. I've worked with many similar projects which catch the events of More

€15 EUR / hour
(4 Reviews)
3.1
nakaidzediana98

Hi, Roberto. I have reviewed your project description carefully. I have experience with Chain link for RandomNumbergeneration and Crypto Price. I used chainlink for lottery. I have worked on Cryptocurrency, NFT, ICO, I More

€15 EUR / hour
(1 Review)
1.1