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Burn

A process in cryptocurrency where tokens are permanently removed from circulation by sending them to a specialized, inaccessible address known as a ‘burn address’ or ‘eater address.’ Once transferred to this address, the private keys are intentionally lost or non-existent, rendering the assets impossible to retrieve, spend, or trade. Burning is often used by projects to manage token scarcity, stabilize market value, or provide proof of disposal in consensus mechanisms, effectively reducing the total supply of a digital asset forever.

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Definition

A process in cryptocurrency where tokens are permanently removed from circulation by sending them to a specialized, inaccessible address known as a ‘burn address’ or ‘eater address.’ Once transferred to this address, the private keys are intentionally lost or non-existent, rendering the assets impossible to retrieve, spend, or trade. Burning is often used by projects to manage token scarcity, stabilize market value, or provide proof of disposal in consensus mechanisms, effectively reducing the total supply of a digital asset forever.

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Simple explanation

Imagine if you had a magic bag of marbles and you decided to throw some into a deep, dark well where no one could ever reach them again. That is burning. By getting rid of some tokens, the ones left behind might become more rare and valuable.

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Why it matters

Burning is a critical tool for managing economic supply and scarcity within decentralized protocols. It helps developers influence the long-term value of a token and can act as a mechanism to signal project commitment.

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How it works

The developer creates a transaction that sends the targeted tokens to a null address (e.g., all zeros) which lacks a private key. Because no one can generate the key to sign transactions for that address, the tokens are effectively locked out of the network state forever. Block explorers and smart contracts reflect this by updating the total supply statistics, ensuring the reduction is verifiable on-chain.

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Real-world example

Binance Coin (BNB) conducts quarterly ‘auto-burn’ events to reduce its total supply until it reaches 100 million tokens.

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Advantages

  • Reduces token supply over time
  • Can create positive price pressure
  • Verifiable on the blockchain ledger

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Limitations

  • Irreversible action
  • Does not guarantee price increases
  • Reduces liquidity pool depth

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Common misconceptions

  • Burning tokens always makes them more valuable to holders.
  • Burning tokens is a way to distribute them back to the community.
Canonical knowledge ID: glossary:burn