Proof of stake (PoS) is a type of consensus algorithm by which a cryptocurrency blockchain network aims to achieve distributed consensus, requiring validators to stake coins as collateral to validate transactions and forge new blocks.

BEP-721 is a BNB Smart Chain standard enabling creation of non-fungible tokens (NFTs), representing unique, tradable items, extending from the commonly used ERC-721 standard and EVM-compatible, giving each token a distinct ID to tokenize assets.

Proof-of-Work (PoW) is a consensus mechanism used in blockchain technology, originally implemented by Bitcoin, to validate transactions and prevent fraudulent activity, with miners racing to solve a hard hashing puzzle to add the next block.

Privacy Pools are a smart contract-based tool enhancing transaction privacy on blockchain, by allowing users to prove funds legitimacy without revealing their transaction history, using zero-knowledge proofs to separate lawful from illicit funds.