Public Key

An address that individuals share with others to receive cryptocurrency.  

Paper Wallet

A physical piece of paper containing a private key, a public key, and often corresponding QR codes.

Pump

A rapid rise in a cryptocurrency’s price.

P2P

Peer-to-Peer. Refers to networks in which individuals connect to each other rather than a central authority.

Pump and Dump

Occurs when a cryptocurrency’s price shoots up and then quickly crashes. Pump and dumps are often coordinated manipulations of the market by groups of individuals for profit.

 

Peer to Peer

Decentralized networks in which individuals interact with each other directly.

Peercoin

A cryptocurrency that uses both PoW and PoS in its consensus mechanism to offer increased security.

Price Bubble

A situation that occurs when an asset's market value is far higher than it's actual worth, making a sharp drop in price imminent.

Peer

If you are running a full node, a “peer” is some else also running a full node.

Proof of Burn

A consensus mechanism for verifying a blockchain in which miners send coins to an unspendable address

Phishing Attack

A social attack in which a malicious individual masquerades as a trustworthy person in an attempt to fool the victim into giving up personal information (like passwords).

Proof of Existence

A process of storing information that cannot be changed or deleted.

Provably Fair

Outputs of an algorithm that can be examined and verified. This term is commonly used in cryptocurrency gambling.

Proof of Importance

Proof-of-Importance is a consensus algorithm similar to PoS. Nodes "vest" currency to participate in the creation of blocks. Unlike PoS, Proof-of-Importance quantifies a person’s support of the network. NEM is using Proof-of-Importance.

Proof of Stake

PoS. A method of minting new coins and securing a platform by allowing users to stake their coins and receive more coins as a reward. Introduced as an energy efficient alternative to PoW (Proof of Work).

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PoI

PoI stands for Proof-of-Importance. It is a new consensus algorithm that requires users to stake currency to participate in the consensus. Compared to PoS, it adds importance to staking. Thus, it takes into account one’s involvement in the network. PoI was introduced by NEM.

Premine

A portion of the total supply of a cryptocurrency reserved for its founders. These funds are often marked as funds to pay developers or fund future ventures, but cryptocurencies with premines are generally viewed as less legitimate and fair those without premines.

Plasma

A scalability solution for Ethereum that allows more transactions per second by introducing additional blockchains to the main Ethereum blockchain. 

Pre-Sale

A public or private offering of tokens to interested investors, generally offering a cheaper price than the coin’s ICO price. Pre-sales are commonly seen as marketing gimmicks.

Parent Chain

A cryptocurrency's main blockchain which connects its sidechains or subchains.

PoS

Proof of Stake. A consensus mechanism in which individuals use their holdings of a cryptocurrency to secure the platform in exchange for rewards.

PoST

Proof of Stake and Trust. A consensus mechanism used by Waltonchain that relies on token holders (nodes) to verify transactions while retaining information about nodes' past performance to give higher rewards to the most reliable nodes.

Private Key

Private keys are used to spend cryptocurrencies.

Proof of Provenance

PoP for short. A consensus mechanism used by DigixDAO to track the movements of physical assets, identify their ownership, and ensure their security.

Privacy

Freedom from surveillance.

Privacy Coin

Any cryptocurrency that focuses on maintaining private transactions between users. Examples are Dash, ZCash, and Monero.

Proof of Work

The consensus algorithm introduced by Bitcoin. PoW requires miners to compete against each other to add new block and earn rewards.

PoW

Proof of Work. A consensus mechanism for verifying transactions with computing power that creates new coins in the process.

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