Staking refers to putting up coins on a “proof of stake” blockchain. Proof of stake blockchains are different from the first generation type of blockchain which is “proof of work”.
If you actually stake your coins on the network you can support the operations of the blockchain and actually secure it so it’s a really important part for a certain number of blockchains that use proof of stake.
If you put up your coins as a stake you will actually be rewarded with new coins which is great for investors because we can essentially save our coins and then get a yield from them
Below is an in-depth tutorial on how to make passive income on your cryptocurrency through staking: