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What is Proof of Work (PoW) vs. Proof of Stake (PoS)?

Reviewed by the ONCHAIN TRADE DOJO team · Updated March 12, 2026

PoW uses computational power for security (mining). PoS uses staked coins for security (staking).

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What is Proof of Work (PoW) vs. Proof of Stake (PoS)? Definition & example | ONCHAIN TRADE DOJO