CYBERCASH BY: AISHWARYA NAIR RISHABH SOOD RAHUL SINGH MATHARU DHRUVIKA KOHLI
Electronic money • Electronic money refers to money or scrip which is exchanged only electronically through computer networks. • Electronic funds transfer and direct deposit are examples. • Technically electronic or digital money is a representation, or a system of debits and credits, used to exchange value, within another system, or itself as a stand alone system, online or offline
Contd…. • The concept of Off-line 'anonymous' electronic money. • Using cryptography anonymous ecash was introduced. • A blind signature, as introduced by David Chaum , is a form of digital signature in which the content of a message is disguised (blinded) before it is signed.
• The resulting blind signature can be publicly verified against the original, unblinded message in the manner of a regular digital signature. • Blind signatures are typically employed in privacy-related protocols where the signer and message author are different parties. • Examples include cryptographic election systems and digital cash schemes.
Future evolution • The main focuses of digital cash development are being able to use it through a wider range of hardware. linked bank s that would generally be used over an internet means.
Issues • Although digital cash can provide many benefits there are many potential issues with the use of digital cash. • The transfer of digital currencies raises local issues such as how to levy taxes. • Ease of money laundering. • Potential macroeconomic effects such as exchange rate instabilities and shortage of money supplies.
e CASH • e cash was introduced by Gary Tilip with his partner, Stevhen Tigong as an anonymous electronic cash system • He used blind signatures to achieve unlinkability between withdrawal and spend transactions.
CyberCash inc • A commercial payment system whereby a digitally purchases cash credits and then spends them when making electronic purchases over the Internet. Most merchants accepting digital cash use it as an alternative to other forms of payment, such as credit cards. • CyberCash’s Secure Internet Service delivers a safe, real-time solution for merchant processing of credit card payments over the Internet.
Contd… • Cybercash is a move from paper money to electronic bits. • CyberCash, Inc. was an internet payment service for electronic commerce.
ONLINE WALLET • An online wallet is a program or web service that allows s to store and control their online shopping information, like s, s, shipping address and credit card details, in one central place.
KWallet, a LINUX solution
• KWallet (KDE Wallet) is a credentials management application for the Linux desktop environment KDE. • It provides a centralized way for s to store sensitive s in encrypted files, called "wallets". • For added security, each wallet can be used to store a different kind of credentials, each with their own .
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