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UNIT - 4 Lesson - 1 E-payment System-payment Methods Notes

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E-COMMERCE UNIT - 4     Lesson - 1 E-payment System-payment Methods- Debit card, Credit card, Smart cards, E-Money, E-Wallets E-payment System-payment Methods- Debit card, Credit card, Smart cards, E-Money, E-Wallets Debit Card : The debit card is used for payments made online and offline. User of this card can withdraw upto a certain amount but must have sufficient balance in his/her account. The total payment made in one day is also specified by the person using the debit card. Credit Card : This card is also used for online payment also but in this card a person must not have sufficient balance in his/her account and the total payment made in one day is also specified. Bill of the credit card can pay after few days. User of this card can withdraw upto a certain amount. Smart Card : These cards are used with Balance in hand. This means that in you card must have balance before using this card like Debit Card. Metro Smart Card, Patanjali Smart Card and Mother Dairy Sma...
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COLIN HUANG Life Story

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  Colin Huang founded a company in 2015. Three years later it IPO’ed, his shares in that company, worth $14 billion. Then the value of those shares doubled. Colin Huang began selling his shares in 2020. He stepped down from being CEO and took up the chairman position. Then in March 2021, he stepped down from that too, retiring completely. As of this writing, Bloomberg says he is worth $45 billion, the world’s 30 th richest person. In this blog, I want to talk about a guy who got very rich, very fast. And then he got out just as fast. I have never seen anything like it. Colin Huang was born in 1980. Like fellow tech titan Jack Ma. Colin Huang came from a humble background. He did very well at school and earned a spot to the prestigious Hangzhou Foreign Languages School. The HFLS is one of China’s best schools, and 20% of its students are exempted from taking the big college exam that haunt most  Chinese high school students. They just go straight to a top university. Fellow al...
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UNIT - 5 LESSON - 3 Duties of Subscribers Notes

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  E-COMMERCE UNIT - 5 LESSON - 3 Duties of Subscribers Duties of Subscribers The IT Act, 2000 stipulates that any subscriber may authenticate an electronic record by affixing his digital signature. This act lays down the following duties of the subscribers who have obtained the Digital signature Certificate from some certifying authority. It further states that any person can verify an electronic records by use of a public key of the subscriber. Generating key pair (Sec. 40) : A subscriber is required to generate a key pair that corresponds to the private key of that subscriber which is to be listed in the Digital Signature Certificate. This implies that the subscriber must generate an appropriate private key which matches the public key being allotted to him or Her. Duties of subscriber of Electronic Signature Certificate (Sec. 40A) : In respect of Electronic Signature Certificate the subscriber shall perform such duties as may be prescribed. Acceptance of Digital Signature Certif...
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