Source: hashcash Section: mail Priority: optional Maintainer: Debian QA Group Build-Depends: debhelper (>= 10) Standards-Version: 3.9.8 Package: hashcash Architecture: any Depends: ${shlibs:Depends}, ${misc:Depends} Description: postage payment scheme for email based on hash calculations Hash cash is a payment scheme that uses CPU cycles as the form of payment. This can be used as a counter-measure for junk email (spam) by using the hash cash token as a proof of payment for each email that you sent.