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Node is a point of connection within a network that can receive, create, store, or send data along distributed network routes.
Oracle (blockchain) is a third-party service that provides smart contracts with external information.
Paper wallet is a physical document containing a cryptocurrency address and its private key.
Privacy coins are cryptocurrencies that offer enhanced privacy features to protect the identity of users.
Proof of authority (PoA) is a consensus mechanism where a limited number of validators have the authority to validate transactions.
Proof of burn (PoB) is a consensus mechanism where miners burn their own coins to gain the right to mine new blocks.
Proof of stake (PoS) is a consensus mechanism where validators are chosen based on the number of coins they hold and are willing to 'stake' as collateral.
Proof of work (PoW) is a consensus mechanism that requires miners to solve complex mathematical problems to validate transactions and create new blocks.
Public key is a cryptographic key that can be shared publicly and is used to encrypt data or verify a digital signature.
Replay attack is a network attack where valid data transmission is maliciously or fraudulently repeated or delayed.