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What Is a ‘Proof-of-Burn’ Consensus Mechanism?

Proof-of-Burn (PoB) is a consensus mechanism where participants "burn" (destroy) tokens to gain the right to validate transactions and mine new blocks. By destroying tokens, validators signal a long-term commitment to the network, as the cost is sunk and non-recoverable.

This mechanism is a variation on Proof-of-Stake, where the 'stake' is the burned coin, not a locked one.

How Do Governance Tokens Gain Their Monetary Value in the Context of Voting Power?
What Are the Primary Differences between Proof of Work (PoW) and Proof of Stake (PoS) Consensus Mechanisms?
What Is the Purpose of a ‘Burn Mechanism’ in a Token’s Supply Model?
How Does the Concept of “Proof-of-Work” Relate to Securing a Blockchain?