Talk:Use case

1.QRCode payments

• Donna wants to buy a beautiful cup in a grocery store. There is a QRCode printed on bottom of the cup. Donna uses her app in cellphone to capture the QRCode for payment.

• Fiona chooses several vegetables and fruits in supermarket. She uses her app in cellphone to show the QRCode to cashier, cashier's app captures QRCode and get Fiona's account information which can be used to finish the payment process.

Goals

• Improved user experience, and rapid, widespread adoption.

Motivation

• It’s usually a boring thing to carry lots of cash for shopping. We have to waste time for giving change. Using QRCode, payment can be finished by app, with no cash any more.

2.payment under guarantee

• Jack has established an online store on a payment agent's website to sell pants. Mary wants to buy a pair of pants in Jack's online store. But Mary doesn't trust Jack because she doesn't know him at all. She doesn't know if she could receive the pants after she paid for it. However Jack's online store is founded on the payment agent's website which provides payment under guarantee mode. Mary could pay to the payment agent. Jack will be told that funds have been received by payment agent, and send the pants to Mary via Express. When Mary got the pants, she will tell payment agent, and payment agent will move funds of the pants to Jack's account.

Goals

• Improved user experience, Greater security, Increased user choice, and widespread adoption.

Motivation

• For the non-instant transaction, payer and payee both wants to protect their own interest. The traditional payment mode can’t satisfy the requirement. There has to be a mechanism to protect payer and payee.

3.risk monitoring

• Payment agent has to be capable of recognizing risky transactions. First of all, payment agent may set up several monitoring rules, such as limit of daily payment money, limit of daily withdrawal, limit of virtual account's balance, etc. Then payment agent could deploy an automatic monitoring system which contains monitoring rules to recognize risky transactions.

Goals

• Greater security, Automatability, and rapid, widespread adoption.

Motivation

• With the growth of internet attacks, there are more trading attacks. To protect funds of users, risk monitoring can recognize many types of trading attacks.

4.provisions transferring

• When a payment agent transfers funds between payer and payee, the funds will move from payer's bank account to payment agent's bank account. Then after the payer has confirmed to receive products or services, or at settlement time, payment agent will move the funds from its bank account to payee's bank account. In this process, payment agent has to reserve some of payer's funds as provision to avoid moving all of payer's funds for other things, such as investment.

Goals

• Greater security, Automatability, and widespread adoption.

Motivation

• Payment agents may need the funds paid by payer to do invest or something else to make profits. This cannot be forbidden, but need to be standardized. What percentage of funds should be reserved as provisions should be regulated.

attached by Sun Qian from Alibaba (sunqian.sq@alibaba-inc.com)