How to Install and Uninstall hashcash Package on Ubuntu 16.04 LTS (Xenial Xerus)

Last updated: December 23,2024

1. Install "hashcash" package

This tutorial shows how to install hashcash on Ubuntu 16.04 LTS (Xenial Xerus)


    
        
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                sudo apt update
            
                    
    
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                sudo apt install
            
                        
                hashcash
            
                    
    
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2. Uninstall "hashcash" package

Please follow the guidelines below to uninstall hashcash on Ubuntu 16.04 LTS (Xenial Xerus):


    
        
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                sudo apt remove
            
                        
                hashcash
            
                    
    
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                sudo apt autoclean && sudo apt autoremove
            
                    
    
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3. Information about the hashcash package on Ubuntu 16.04 LTS (Xenial Xerus)

Package: hashcash
Priority: optional
Section: universe/mail
Installed-Size: 285
Maintainer: Ubuntu Developers
Original-Maintainer: Hubert Chan
Architecture: amd64
Version: 1.21-1.1
Depends: libc6 (>= 2.14)
Filename: pool/universe/h/hashcash/hashcash_1.21-1.1_amd64.deb
Size: 136510
MD5sum: 7e55cd8527462a4e230f99873a5e29c6
SHA1: 1d82983e832ee0e5ee7d68080a8f335087a2f88f
SHA256: 95af56bcfc3af60bb9b29b8155c72950607333a97ff86a0ac0e564901edfc8cf
Description-en: 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.
Description-md5: eaa96cdd449cc357ab7e26e51c125c6c
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Origin: Ubuntu