Crypto Wiki

Proof of Authority (PoA) is a consensus mechanism where transactions and blocks are validated by approved or "authorized" validators.

Peer-to-Peer (P2P) refers to a decentralized network where two or more individuals can interact directly with each other without relying on an intermediary or central authority. 

A parachain is an independent blockchain that runs parallel to a main chain (referred to as the relay chain) in a multi-chain network such as Polkadot or Kusama. 

A paper wallet is a physical document containing a public address and private key, typically printed as QR codes, used to store cryptocurrencies offline. 

Over-the-Counter (OTC) trading refers to the process of buying and selling assets directly between two parties, without the use of a centralized exchange.

An order book is a digital list of buy and sell orders for a specific asset, such as a cryptocurrency, organized by price level. 

Proof of Stake (PoS) is a consensus algorithm used by blockchain networks to validate transactions and secure the network.

Proof of Work (PoW) is a consensus algorithm that requires network participants (miners) to solve complex mathematical puzzles to validate transactions and create new blocks. 

A protocol in blockchain refers to the set of rules that define how data is exchanged and validated across the network.

A public key is a cryptographic code used in conjunction with a private key to encrypt and decrypt data.