Definition ∞ A Proof-of-Work (PoW) alternative refers to any consensus mechanism that differs from the energy-intensive process of solving complex computational puzzles. These alternatives aim to achieve network security and transaction validation through more efficient means. Common examples include Proof-of-Stake (PoS) and its various iterations. The exploration of PoW alternatives is driven by concerns over energy consumption and scalability.
Context ∞ The transition of major blockchains to PoW alternatives is a primary subject of discussion in the current crypto landscape, with a focus on energy conservation and transaction throughput. Key debates involve the security models and decentralization characteristics of various alternative consensus algorithms. Analysts are assessing the long-term viability and potential for wider adoption of these new mechanisms.
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