What is Proof-of-Stake blockchain?

Blockchain is a distributed digital ledger where all transaction data is recorded in multiple nodes to collectively ensure the transparency and accuracy.
Proof-of-Stake is a blockchain consensus mechanism to prevent Sybil attacks and incentivise validators to behave correctly. Each validator commits tokens, aka “stakes”, to validate transactions and adds blocks into existence.

What is inflation?

Amount of tokens of a Proof-of-Stake blockchain will grow annually, which is called inflation. The growth rate is the inflation rate of the chain.