Hello amlsayed77,
I personally, reviewed your provided job details and got fair idea about your project about "cryptocurrencies payment gateway with built in escrow for (btc, eth, and the platform token and usd)".
We have an expert team of developers and designers for your project that require skills like Bitcoin, HTML, PayPal API, PHP, Software Architecture.
We would appreciate if you could come up in message box,in respect to the project, so that we can discuss the working module and work flow plan, let us know your available time for the meeting as per your convenience.
Awaiting your reply to deliver you an excellent experience.
Thanks,
Mmadi
1-cryptocurrencies payment gateway with built in escrow for (btc, eth, usdt , the platform token and fiat)
2- when buyer pay by cryptocurrency, the amount must converted to usdt at once and held in the platform wallet, when the order is received, the the usdt is released to the seller in usdt minus the fee of the platform. if the order not received, usdt is refunded totally to the buyer wallet on the platform to use it only in another orders,
3-