Hi, I just read your job posting and it sounds like you need Blockchain and Linux program developer.
I've solid skills and rich experience in building of Smart Contracts by using Solidity and Linux program by Python and C.
First, I hope to know your budget about project.
Because your project is a little hard, I can work for your within only proper budget.
Please feel free to contact me so we can discuss more details.
Kind regards, and take care always!