Background We're curious: why do crypto degens only buy and sell tokens in the market? Why not buy a coffee? Because no coffee support this: Crypto Coin buy Crypto Coffee. Let’s DO it! How to use it? Download a test version app, create your account. Get your test ERC20 token(Test USDT token) from faucet or our builders. A: you are the boss, create a item QR and show to me. B: I’m the customer, use the app scan your QR, (input the number and) check the payment number and verify my finger print, paid! A: You can check your balance in your app account, give me coffee and keep coins! Anyone can create any items to sell to anyone, that is all. B: Having a cup of coffee is so enjoyable!