How to implement the function of escrow of funds (Escrow) on the site?

Question

CMS

Hello community!
The site will need to implement the function of escrow funds (Escrow). Example: freelance exchanges, when choosing a contractor, the customer's money is frozen, and after the task is completed, it is transferred to the contractor. Depositing should be with different payment systems - katochki, poison, etc.
Maybe someone has come across or knows how to implement this?

Answer 1

You accept money into your account, keep it there, then transfer it to the contractor upon completion of the project.

Answer 2

Secure transaction in Yandex.Checkout: https://kassa.yandex.ru/secure-deal