There are third party solutions to fraud that actually work, providing chargeback insurance. Essentially, they screen transactions; if any approved transactions are chargebacked, they refund you. A good start point is https://signifyd.com We dropped in this solution on our e-commerce about 5 years ago; fraud has been a non existent problem. - Source: Hacker News / over 1 year ago

Option 2: There are also solutions like https://coingate.com/accept or https://bitpay.com/business. These don't require any setting up but charge a fee (and don't support Monero). Maybe you could find something like this for Monero. Source: about 2 years ago

You could take a look at https://coingate.com/accept or https://nowpayments.io/ for this. Source: over 2 years ago

One of such companies that process crypto payments are CoinGate. CoinGate automated payment gateway handles your client's payments every step, from creating an invoice to confirmation of payment to customer support. Your clients will be able to pay in bitcoin and 50+ cryptocurrencies of their choice, and you will be able to convert funds to EUR/USD or other cryptocurrencies. Source: almost 3 years ago

Hello there, It is great to hear that you consider adding crypto as a payment method for your online store! We would suggest considering using the services of third-party crypto payment processors that will handle crypto payments for you, so you don't have to worry about how your clients will be able to pay you. You can easily integrate payment options such as API, payment buttons, or e-commerce plugins with your... Source: almost 3 years ago

You can read more about our services here : https://coingate.com/accept. Source: almost 3 years ago