Hi there,
I've read your project description and I am confident enough that I can handle this project according to your expectations. I have done similar projects before and I want to take over this project as well. If you're interested then please contact me to see my portfolio :) I'll be waiting for your response.
Regards
i can code smart contract for 3000 it will take around 3 weeks to complete and update it verified to ethereum network
for web base matching engine you will have to find some else
thats why i m asking for half price