Knock, with a valuation of $20.57 million, is raising funds on Wefunder. The company has developed a software-driven lending platform that empowers users to buy a new home before they sell their current home. Knock offers a bridge loan between the buying and selling process and helps people buy now and sell later. The platform has a gross transaction volume of $2.4 billion and loan origination volume of $1 billion. Sean Black and Jamie Glenn founded Knock in August 2015. The current crowdfunding campaign has a minimum target of $50,000 and a maximum target of $5 million. The campaign proceeds will be used for product development, marketing, and hiring.