Welcome aboard all new investors/enthusiasts and thank you for watching out this space @Sentti!
No problem mate!
Is there any online pos sites for bitcoin green besides staking pos pool? They have sold out on their masternodes.
You can stake yourself with using the official wallet, found here:
https://www.savebitcoin.io/wallet/One option is to join the official BITG Discord, check the channel #shared-masternodes and do your own research.