A Sealed-bid Auction with Fund Binding: Preventing Maximum Bidding Price Leakage. (arXiv:2207.10823v1 [cs.CR])

In an open-bid auction, a bidder can know the budgets of other bidders. Thus,
a sealed-bid auction that hides bidding prices is desirable. However, in
previous sealed-bid auction protocols, it has been difficult to provide a
``fund binding'' property, which would guarantee that a bidder has funds more
than or equal to the bidding price and that the funds are forcibly withdrawn
when the bidder wins. Thus, such protocols are vulnerable to false bidding. As
a solution, many protocols employ …

auction fund