What cms to use for an online store of electronic goods?

Question

CMS

Guys, help me find a CMS for an online store of electronic goods (paid and free)
The main functions are needed:
1. Displaying the number of goods sold (required)
2. Crediting the balance to the seller's account with the possibility of further requesting a withdrawal
3. Good security
3. Human-readable editing of the template (example like DLE)
4. Support for CMS by developers (updates, help)
5. Possibility after purchasing the product, sending it to the e-mail of the buyer
6. Ability to add the product to all registered (required)

Answer 1

opencart, shopsctipt

Answer 2

I recommend OpenCart. Easy to learn and has absolutely everything that most online stores need.
UPD . I'm sorry, I didn't read all of your text. Most likely you need to order a self-writing. Your functionality is very specific.

Answer 3

namely sales not from one person, but from everyone:
open-classifieds.com/ru
https://osclass.org/

Answer 4

I have 2 sites: Bitrix and MODX. My specialists who monitor the progress carry out all the work very easily. To develop websites, it is better to turn to professionals.