I made some progress on the coupon shop app.

Purchase Dialog

When clicking the 'buy' button, you can see the following dialog.

If you signed in with steem keychain, you can buy a coupon using the keychain. Otherwise, the keychain button will be disabled. Instead you have to enter the active key.

(the design will be improved later)

I tested the steem transfer both using the keychain and the active key.

Make a transaction

During this weekend, I will implement a function to make a transaction so a buyer will see the purchased coupons in the profile section.

In short, the transaction will be done in the following procedure:

1. A buyer sends steem to the service account (@etain.store)
2. Run a transaction function of Firebase to make a secure transaction.
3. If successful, transfer the steem to the seller from the service account.

I am excited to implement this feature since this payment can be used in many other steem apps. You will sell and buy stuff using steem! Wow!

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About this app and service

The service model is very simple. There are two stages.

Stage 1: Bring many new users

1. The app provides a very simple sign-in method. Quick account generation.
2. A new user gets voted by a voting pool.
3. A new user can buy a mobile coupon such as a coffee coupon with the earned steem.
4. This app is considered as an X2E service.

Stage 2: Users' Store

1. A user can sell a product or an item
2. Other users can buy the item

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We need much more apps on Steem

I summarized the services that I am developing.
https://steemit.com/hive-185836/@etainclub/we-need-much-more-apps-on-steem
We need much more apps to make Steem great again!

Please resteem this and support my witness.

I am losing my witness ranking.
Please consider voting for my witness

@hungry-griffin
@haejin
@trafalgar

@steemcurator01, Thank you for Your Support

cc.
@pennsif

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