What Is Token Burning?
Token burning permanently removes tokens from supply by sending them to an address nobody can spend from or by destroying them through a contract function. Ethereum’s fee burn is the best-known example.
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Token burning is the permanent removal of tokens from supply by making them unspendable. Nothing is physically destroyed: tokens are either sent to an address whose private key nobody holds, or erased from the total supply through a smart contract’s burn function. Projects burn tokens to reduce supply, to take part of transaction fees out of circulation or to retire excess tokens.
How does token burning work?
There are two main methods. The first is sending tokens to an address with no known private key, so they can never be moved again; on Ethereum, addresses made of zeros or ending in “dead” are commonly used. The second is calling the burn function found in standards such as ERC-20, which deducts the tokens from the total supply recorded by the contract.
Either way, the transaction is recorded on-chain, so anyone can check the amount and date of a burn in a block explorer.
Real examples: Ethereum and BNB
Ethereum: EIP-1559, introduced in the London upgrade in August 2021, burns the base fee of every transaction. Part of every gas fee therefore leaves circulation instead of going to validators. When the network is busy, the amount of ETH burned can exceed new issuance.
BNB: BNB Chain burns BNB at regular intervals with the long-term goal of reducing total supply to 100 million. The amount burned is set by a formula tied to price and block production.
Some projects use part of their revenue to buy tokens on the open market and burn them, a practice known as buyback and burn.
Burning is also a routine step in blockchain bridges. When a wrapped token is moved back to its native chain, the representation on the other chain is burned and the original asset is released. These burns don’t reduce supply; they keep the records on both chains in balance.
Does burning tokens increase the price?
All else being equal, reducing supply increases each remaining token’s share of the total. But demand and market conditions never stay equal, so a burn on its own doesn’t guarantee a price rise. A burn announced well in advance may already be priced in.
Scale matters too. Burning 1 million tokens out of a 1 billion supply is a 0.1% reduction. If 10 million new tokens were issued over the same period, net supply still went up. Looking at net issuance versus burns tells you much more than a single burn headline.
How to verify a token burn
- Use the transaction ID to confirm the burn happened and check the amount.
- Make sure the destination address is genuinely unspendable; a transfer to an ordinary wallet is not a burn.
- Check where the tokens came from: buying tokens on the market and burning them is economically different from burning a project’s own locked allocation.
- If the contract has a mint function, find out whether burned tokens could simply be reissued later.
Frequently asked questions
Can burned tokens be recovered? Tokens sent to an unspendable address or erased by a contract cannot be recovered. If the contract allows minting, however, the same amount could be created again.
Does a burn always reduce circulating supply? No. If the burned tokens came from an unreleased treasury allocation, circulating supply may not change at all; only total supply falls.
Is a burn the same as a buyback? Not exactly. A buyback is a project purchasing its own tokens on the market. Those tokens may then be burned, held in the treasury or redistributed, so it’s worth checking what happens after the purchase.