Concepts

Zero Slippage

Slippage occurs when the price you receive differs from the price you expected. On AMMs, slippage is a mathematical certainty — every trade moves the bonding curve, making the next unit of the trade worse.

On HyperDex, slippage is structurally impossible. Here is why:

  • The maker quotes an exact amount_out for an exact amount_in
  • This quote is cryptographically signed with the maker's ed25519 key
  • The quote_verifier contract verifies the signature and enforces the exact amounts
  • If the amounts do not match the signed quote, the transaction reverts

The taker receives precisely what was quoted — not a basis point less. The maker absorbs all market risk between quote time and settlement.

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