  function liquidate(uint id, uint to) external isValidDNft(id) isValidDNft(to) {
      uint cr = collatRatio(id);
      if (cr >= MIN_COLLATERIZATION_RATIO) revert CrTooHigh();
      dyad.burn(id, msg.sender, dyad.mintedDyad(address(this), id));

      uint cappedCr = cr < 1e18 ? 1e18 : cr;
      uint liquidationEquityShare = (cappedCr - 1e18).mulWadDown(LIQUIDATION_REWARD);
      uint liquidationAssetShare = (liquidationEquityShare + 1e18).divWadDown(cappedCr);

      uint numberOfVaults = vaults[id].length();
      for (uint i = 0; i < numberOfVaults; i++) {
          Vault vault = Vault(vaults[id].at(i));
          uint collateral = vault.id2asset(id).mulWadUp(liquidationAssetShare);
          vault.move(id, to, collateral);
      }
      emit Liquidate(id, msg.sender, to);
  }
