Del. Code tit. 25, § 1607

In an action for the enforcement of an equitable lien, the objective of which is to secure the payment of money, the court, upon motion of any party aggrieved, as a condition of cancellation of the notice of pendency, may direct that such party post sufficient security to insure the payment of money as may, by the final determination of the action, be ascertained to be chargeable upon the affected real estate. Nothing herein contained shall preclude the posting of bond or other security by agreement of the parties as a condition of cancellation.