Đã Đóng

Blockchain based security system for transactions

Hi, we search someone who can do security module in a blockchain based system.

You can use ethereum source code.

For transactions

Kĩ năng: Lập trình C++, Lập trình C, Blockchain, Certified Information Systems Security Professional (CISSP), Khoa học người máy

Về Bên Thuê:
( 1 Nhận xét ) berlin, Germany

ID dự án: #26509674

15 freelancer chào giá trung bình€4276 cho công việc này


Ok i will use the Ethereum source code but can we discuss the details first ? For last 8 years i have been developing Blockchain, Decentralized Exchanges, Crypto Coins based on ERC20, Bitcoin Core, X11, IOTA, Dash, Min Thêm

€4500 EUR trong 25 ngày
(14 Nhận xét)

Hi There I have checked your project description and understand everything. I am very confident that i can handle this project perfectly. As i have 10+ years of experience in this field. The bid is negotiable and we c Thêm

€4000 EUR trong 7 ngày
(312 Nhận xét)
(4 Nhận xét)

Hello, I’m a fan of blockchain and decentralized apps and have worked with Blockchain tools as a developer and trader for several years. I can share some demos of my previous projects like ERC20 tokens, more comple Thêm

€4444 EUR trong 30 ngày
(12 Nhận xét)

I have gone through your project details and I clearly understand your requirements which I don't think will be pose any difficulty, I am a skilled software developer with in-depth knowledge on blockchain. Hit that cha Thêm

€4000 EUR trong 3 ngày
(8 Nhận xét)

Greetings! We are ready to develop blockchain based security system for transactions. We deliver our best when it comes to blockchain and Ethereum. We have made fork of Ethereum, developed different wallets and implem Thêm

€4000 EUR trong 30 ngày
(3 Nhận xét)
(1 Nhận xét)

Hi, We are Votan Ventures, We've helped more than 50 companies create their products on blockchain. We will provide you an end to end solution for your requirements along with a full team support for project management Thêm

€5000 EUR trong 10 ngày
(1 Nhận xét)

Hello Dear, I would love the opportunity to discuss this job with you. Since we are having 20+ experienced Blockchain developers who are specialized in all the latest Blockchain & cryptocurrency technologies. HIGHLIG Thêm

€3800 EUR trong 12 ngày
(1 Nhận xét)

Hi, I've done Blockchain-based Identity & Security projects, so I'm happy to help. I’m the Co-Founder & CTO of - [login to view URL] - an end-to-end Blockchain solutions (across a range of Web & Mobile Techn Thêm

€3750 EUR trong 7 ngày
(2 Nhận xét)

Hello, I am pleasure with your job as detailed. Thank you for the job posting. It’s a pleasure to meet you. I’d really like to work with you on this one if possible! I do have a couple of questions, but first I’d like Thêm

€4000 EUR trong 7 ngày
(0 Nhận xét)

Hi, I noticed that you are looking for blockchain developer for your project Blockchain based security system for transactions We have expertise in blockchain and can provide you the complete solution like ICO, smar Thêm

€4440 EUR trong 7 ngày
(0 Nhận xét)

Hi I have gone through your requirement. I can complete this work in 20 days as I already have predefined functions for all your your requirement. We need to do commerce web app and web admin panel for your requirement Thêm

€4000 EUR trong 20 ngày
(0 Nhận xét)

Hi there, I have an expert team of developers for web, mobile, blockchain, Designer, Tester, etc. For 5+ years I’ve worked in Development and so I am accustomed to working with all sorts of products and services, and Thêm

€4200 EUR trong 7 ngày
(0 Nhận xét)

Hello , I’m a blockchain developer and an architect rich experience with blockchain (both public and private), Ethereum/Solidity, Bitcoin, smart contracts, ICO, tokens. I’ve successfully completed many projects for m Thêm

€4000 EUR trong 21 ngày
(0 Nhận xét)