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Burning permanently destroys tokens from the issuer wallet. When called, tokens are automatically removed from circulation and the network state.

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Burn

const [tokenIdentifier] = await wallet.getIssuerTokenIdentifiers();
if (!tokenIdentifier) throw new Error("No token identifiers found for this issuer");

await wallet.burnTokens({
  tokenIdentifier,
  tokenAmount: 5_000_000000n // 5,000 tokens (6 decimals)
});
Burning is irreversible. Burned tokens are gone forever.

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When to Burn

Common use cases:
  • Stablecoin redemption: user redeems tokens for fiat, you burn the equivalent
  • Deflationary mechanics: periodic burns to reduce supply
  • Token buyback: repurchase tokens from the market and burn them

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Verify the Burn

const [tokenIdentifier] = await wallet.getIssuerTokenIdentifiers();
if (!tokenIdentifier) throw new Error("No token identifiers found for this issuer");

const before = await wallet.getBalance();
console.log("Before:", before.tokenBalances.get(tokenIdentifier)?.ownedBalance);

await wallet.burnTokens({
  tokenIdentifier,
  tokenAmount: 1000_000000n
});

const after = await wallet.getBalance();
console.log("After:", after.tokenBalances.get(tokenIdentifier)?.ownedBalance);

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Proof-of-Burn Address

Anyone can also burn tokens by sending them to the network’s proof-of-burn address: 
spark1pgssyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszqgpqyqszykl0d2
Tokens sent to this address are permanently removed from circulation and cannot be recovered.