Let visit the website: http://sharkscan.io/vi/chooseyourplan/, the screen shows the following:
There are 3 payment choices: Monthly, Yearly, and Custom plan. Benefits and prices are displayed in detail for each service package.
Choose the package that best suits to you.
Example: Select Advanced Plan - subscription by year. Click on "Start Now"
In the main item "Checkout details" the screen will display as below:
You fill out the full of the information left, including: Email, Telegram, nationality, ...
On the right side of the screen there are 4 payment methods: Crypto Payment, Coinbase, Paypal and Internet Banking. You can select the suitable method and select: "Place order".
a. Cryto Payments