How It Works
Seller Types
Trade Value
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Activate Your Phone
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Lost Password

Please enter your username or email address. You will receive a link to create a new password via email.

Username or Email Address

Register your device

Step 1 of 4 — Device registration. Capture device ID, email, mobile, and optional v-card link.

Mobile number

Choose country, then enter your number without the country code. Required (8+ digits) when the Register User API key is saved under Settings → NWP Gateway. Your country is stored with the device record.

QRtiger v-card link (optional)

If available. Not required for device registration.

Go to Membership

Output created: device_registered = true — First trust point in the append-only ledger.

Next steps: Join Discord Gracebook → Choose membership → Print / Issue NWP.

Your Phone Number

Mobile number

Choose your country, then your number without the country code. Must match a device you already registered.

Seller delivery code

Ask the seller for the code shown after they verify their phone. Required for buyer delivery proof.

Enter verification code

We sent a 6-digit code to your phone. Enter it below.

6-digit code

Join Gracebook Discord

Join the Gracebook server and get verified by Discord (earn 5×10⁶ XP).

Join Discord server

Seller verification

Next, verify your registered mobile number. After you confirm the code, you will receive a transaction code to share with the buyer so they can confirm delivery.

Scanned successfully

Seller scan is successful. Here is your transaction code:

Share this transaction code with the buyer to confirm the delivery.

Select membership

Choose the path that fits you. You can change details later in onboarding.

Branch (select one)

✓

Your details

We need your email and phone to set your membership. Optional fields help if we create a new account.

Email Phone

Optional (new accounts)

Use these when a new account should be created for you on submit.

First name Last name Username Password

Your Cart

Your cart is emptyReturn to Shop

Continue Shopping

Organized Krill Hat

$30.00 +Add This product has multiple variants. The options may be chosen on the product page
Yam is On Sticker

$0.30 +Add This product has multiple variants. The options may be chosen on the product page
Hang Tag

$0.30 +Add This product has multiple variants. The options may be chosen on the product page

Calculate Shipping

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Welcome to HumanBlockchain

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Is this a proof of delivery?

What is your role?

Seller Buyer

Enter Your Mobile Number

Enter OTP

We've sent a 6-digit code to your mobile number

Verifying...