Devnet · test money only · about 60 seconds

You play all three people.

A customer locks money, pays a shop with no signal, and the shop collects. Do the steps in order. On one laptop, keep the Phone and the Shop open in two windows side by side and copy-paste the codes between them.

Start with step 1
  1. 1Step 1 · OwnerYou are the customer, at home with Wi-Fi.

    Lock $40 for your phone

    1. 1.Tap “Use a test wallet” and “Get $50” (free test money).
    2. 2.Open Phone (step 2) in a second window, copy its code, paste it here.
    3. 3.Tap “Lock $40 in a tab”.
    Needs signal, once
    $40.00

    Result: $40 is locked on Solana for your phone. Nobody can spend it twice.

    Open step 1 →
  2. 2Step 2 · PhoneYou are the customer, at the market. No signal.

    Pay the shop with no signal

    1. 1.Tap “Find my tab”.
    2. 2.Scan or paste the shop’s code, type $3.50.
    3. 3.Show the QR code your phone makes to the shop.
    No signal needed
    Wherry offline paymentNo. 0001
    Pay toAmara's kiosk
    $3.50

    Result: Your phone signs a $3.50 payment in a few milliseconds.

    Open step 2 →
  3. 3Step 3 · ShopYou are the shop owner, Amara.

    Check the payment, then collect

    1. 1.Scan or paste the customer’s QR code.
    2. 2.See “Signature valid” and “Covered”. Tap Accept.
    3. 3.When the signal is back, tap “Collect”.
    Signal only to collect
    Wherry offline paymentNo. 0001
    Pay toAmara's kiosk
    $3.50
    Collected0.6 s

    Result: The money lands in your account on Solana in about a second.

    Open step 3 →

Done all three? Try Play (buy a game power-up offline) or Courier (anyone with signal can collect for a shop).