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  1. Home
  2. /Glossary
  3. /Proof of Work (PoW)
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blockchain

Proof of Work (PoW)

A consensus mechanism where miners solve computational puzzles to create blocks and earn rewards.

Definition

A consensus mechanism where miners solve computational puzzles to create blocks and earn rewards. It's secure because attacking the network requires more computing power than honest participants. Bitcoin uses proof-of-work and probably always will.

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Learn More About Proof of Work (PoW)

GuideWhat is Bitcoin? Complete GuideGuideCrypto Mining GuideBlogProof of Work vs Proof of Stake Explained Simply

Related Terms

Mining

Using computational power to validate transactions and create new blocks on proof-of-work blockchains.

Hash Rate

The total computational power securing a proof-of-work blockchain.

Proof of Stake (PoS)

A consensus mechanism where validators stake tokens as collateral to secure the network.

ABI

Application Binary Interface.

Account Abstraction

A way to make crypto wallets behave more like normal apps by turning every account into a smart contract.

ERC-4337

The Ethereum standard for account abstraction without changing the core protocol.

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