# Proof-of-Work Consensus ⎊ Area ⎊ Resource 3

---

## What is the Consensus of Proof-of-Work Consensus?

Proof-of-Work (PoW) consensus is a decentralized mechanism where network participants compete to solve a computationally intensive puzzle to validate transactions and add new blocks to the blockchain. The first participant to solve the puzzle earns the right to propose the next block and receives a reward. This process ensures network integrity by making it economically prohibitive to alter the transaction history.

## What is the Computation of Proof-of-Work Consensus?

The role of computation in PoW is to secure the network through a high degree of computational effort, often referred to as mining. This process ensures that altering the transaction history would require an economically prohibitive amount of energy and hardware. The difficulty of the puzzle adjusts dynamically to maintain a consistent block time.

## What is the Security of Proof-of-Work Consensus?

PoW provides security through economic incentives and disincentives. The cost of a 51% attack, where a single entity controls most of the network's computing power, is extremely high, making it impractical for most attackers. This security model underpins the immutability of transactions for financial applications.


---

## [Blockchain Infrastructure](https://term.greeks.live/term/blockchain-infrastructure/)

## [Token Economic Incentives](https://term.greeks.live/term/token-economic-incentives/)

## [Cryptographic Settlement](https://term.greeks.live/term/cryptographic-settlement/)

## [Consensus Algorithm Security](https://term.greeks.live/term/consensus-algorithm-security/)

## [Cryptographic Trust Models](https://term.greeks.live/term/cryptographic-trust-models/)

## [Settlement Finality Assurance](https://term.greeks.live/term/settlement-finality-assurance/)

## [Digital Asset Environment](https://term.greeks.live/term/digital-asset-environment/)

## [Fork Risk](https://term.greeks.live/definition/fork-risk/)

---

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**Original URL:** https://term.greeks.live/area/proof-of-work-consensus/resource/3/