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P2P Exchange

A Peer-to-Peer (P2P) exchange acts like a match-maker or auction service, matching the buyer and seller instead of initiating the trade right away. The matching is done on the basis of the price and what type of payment is accepted by the buyer or seller. After matching, if the buyer is interested in the seller’s…

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Privacy Coin

A Privacy Coin is a cryptocurrency that hides data about its users. At a minimum, privacy coins hide identities. They also often hide the amount of cryptocurrency traded and held in wallets. Some of the known privacy coins that would fall under this definition include: Monero (XMR), Zcash (ZEC), and Dash (DASH)

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Proof of Authority

The Proof of Authority (PoA) consensus mechanism relies on validators staking their reputation, instead of offering up a resource like computing power (PoW) or a financial stake (PoS). Compared to PoW and PoS networks which allow anyone to join without revealing their identity, PoA validators must be known and trusted, thus PoA conseus mechanisms are…

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Proof of Stake

The Proof of Stake (PoS) consensus model was proposed in 2012 in response to the substantial amount of electricity and energy required to mine a single block under the proof of work (PoW) model. Unlike proof of work, a proof of stake consensus is reached by a group of validators that are chosen pseudo-randomly. Because…

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Proof of Stake Alliance

The Proof of Stake Alliance (POSA) is an action-oriented industry alliance advocating for forward-thinking, innovation-friendly regulation of the growing proof-of-stake industry. POSA brings together industry leaders and legal experts to amplify the voices of proof-of-stake protocols, educate lawmakers about this emerging technology, and fight for fair regulation that allows the industry to flourish.

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Proof of Stake vs Proof of Work vs Proof of Authority

Proof of Stake (PoS) depends on a validator’s economic stake in the network. It is framed as more environmentally friendly because it does not depend on an external energy intensive process like Proof of Work (PoW) does. There is no block reward in PoS. To conduct a 51% attack, you would need to control 51%…

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Proof of Work

Proof of Work (Pow) is a consensus model in blockchain technology that requires miners to solve computationally difficult math problems in order to add new blocks onto the blockchain. These functions produce data that is used to validate that a substantial amount of work has been carried out, thus the name “proof of work.” Solving…

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Proof of Work Cryptocurrency List

Cryptocurrency coins using Proof of Work include Bitcoin (BTC), Ethereum Classic (ETC), Litecoin (LTC), Bitcoin Cash (BCH), Dogecoin (DOGE), Monero (XMR), and Zcash (ZEC), amongst others.

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Proxy

A “proxy” style smart contract acts as a middle man between the user and the main smart contract for a given protocol. The proxy is in charge of forwarding transactions to and from the additional contract, which contains all the necessary logic and information. The main use case of a proxy smart contract is that…

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