Some key terminologies a newbie should know in the cryptocurrency space:1(Validator)2(Zero-Knowledge Proof)3(Market Cap (Market Capitalization)
1-A participant in a proof-of-stake (Pos) blockchain that validates transactions
and adds new blocks to the
blockchain. Example: Validators on the Ethereum 2.0 network.
2-A cryptographic method by which one party can prove to another that a statement is true without revealing any specific information about the statement. Example: Used in privacy-focused cryptocurrencies like Zcash.
3-The total value of a cryptocurrency, calculated by multiplying the current price by the total supply of coins.
Example: Bitcoin's market cap is calculated by multiplying the price of one Bitcoin by the total number of Bitcoins in circulation.
