Accept payment on website WITHOUT 3rd party

[blackowl11]

Hi,

What is the best way to accept payments from users in the following scenario:
>Give permanent deposit addresses to 30K users so they can deposit whenever they want.
>Use xpub key to generate the deposit addresses so no private key is on server.
>Easily manage the deposits using a wallet on system

I tried using electrum but it seems it has sync issues with so many addresses.
With core it seems it does not support xpub without the private key.

Any other option?

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[Coin-Keeper]

Are you OK with 3rd party software as a solution if the software leaves the 3rd party out of the transactions after installation?  There is some great software out there that many large sites run and it all goes smooth as silk.

[bestluck]

I have doubt that if you will use only one address for thousands of people then it will slow down the flow to your address. I am not sure that it is true but that is in my mind.
By the way I will suggest to use a system of generating a unique address for each user for each transaction that will be safer for your business.

[blackowl11]

Are you OK with 3rd party software as a solution if the software leaves the 3rd party out of the transactions after installation?  There is some great software out there that many large sites run and it all goes smooth as silk.

Can you please name a few, I will check.

[BitcoinPostage]

Not possible, the gap problem alone would kill what ever you are trying to do

[ZenXChaos]

The only alternative I know of is the Ripple Coin (XRP). It supposedly converts between currencies.

As far as taking credit card payments -- this cannot be done without a third-party unless you open a merchant account with a bank or financial institution which can provide you a terminal. If you have the funds and means necessary, "credit card terminal" is what you are looking for. You should be able to accept ACH bank deposits among some other options as well.

Good luck.