... proposes a new English auction scheme based on the concept of group signature using the bulletin board system. Findings It is found that the proposed scheme can satisfy the requirements of an ideal of English auction scheme. Originality/value Compared with other public auction schemes...

...Yoones Asgharzadeh Sekhavat; Mohammad Fathian Purpose In traditional commerce, an auction is known as a mechanism of determining the value of a commodity that does not have a fixed price. Auctions are exciting and an increasing number of transactions are performed through e‐auctions. But most...