Hello Scoobers,
If you are interested in the staking functionality of cryptocurrencies, check out the link
here to see the vision of blockgeeks which should help you get a better understanding of the topic.
In the traditional form PoS, the staking of coins is used to validate transactions. Each different coin that can be staked has it's own criterea for a user to earn the stake rewards. Most of them require a wallet that is constantly connected to the internet, although there are also some in development that would allow for cold-staking (which does not require a live connection to your wallet).
Aside from PoS and PoSW, there is also 'Delegated Proof-of-Stake' which does not use the staking of coins to validate transactions. In this consensus stakeholders vote for a selected group to serve the role of validating transactions. The first coin that worked with this consensus protocol is Peercoin, but since the birth of this coin a lot of Proof-of-Stake coins have been developed that enable users to stake their coins.
In the example of Peercoin, they look at the age and the quantity of the staked coins in order to determine the staking rewards.
See the following guide specifically for Peercoin to get an idea of how this process works(
link).
With kind regards,
The Anycoin Direct team