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Ghost Mode enables private bridging by routing transactions through private relays instead of the public mempool.

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What it is

Ghost Mode is a private bridge where you set private: true in your quote and build requests. This routes the transaction through private relays (Flashbots, MEV-Blocker, or chain-native private mempools) instead of broadcasting to the public mempool.

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Why it matters

  • No front-running. Searchers can’t snipe your trade if it isn’t visible on the public mempool.
  • No copy-trading. Your bridge doesn’t appear on screeners until after settlement.
  • Bigger sizes. Larger transfers stop tipping off the market.

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How it works

Ghost Mode uses the same bridge flow as standard trades with one addition: the private flag. 
const quotes = await dzap.getTradeQuotes({
  fromChain: 42161,
  account: '0xUser',
  private: true,  // Enable Ghost Mode in quote
  data: [{
    srcToken: '0xaf88...',
    destToken: '0x8335...',
    amount: '1000000',
    toChain: 8453,
    slippage: 1,
  }],
});

const result = await dzap.trade({
  request: {
    fromChain: 42161,
    sender: '0xUser',
    refundee: '0xUser',
    private: true,  // Enable Ghost Mode in execution
    data: [{
      srcToken: '0xaf88...',
      destToken: '0x8335...',
      amount: '1000000',
      toChain: 8453,
      protocol: quotes[0].protocol,
      recipient: '0xRecipientOnBase',
      slippage: 1,
    }],
  },
  signer: walletClient,
});

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Tradeoffs

Public BridgeGhost Mode
Front-run protectionPartialFull
Settlement latencySecondsSlightly higher
Solver liquidityOpenPermissioned pool
FeesStandardSlight premium