Android · Open Source

Android Apps

Two separate apps for two different roles. Both are open source and white-label ready.

RavenTag verification demo

Tap NFC tag to verify: AUTHENTIC, NOT AUTHENTIC, or REVOKED

Consumer Verify App

For end buyers, brand-customizable

RavenTag Verify screenshot 1
RavenTag Verify screenshot 2
  • Tap NFC tag to verify: AUTHENTIC, NOT AUTHENTIC, or REVOKED
  • Full verification: SUN MAC check, counter replay protection, blockchain asset lookup
  • Built-in Ravencoin wallet to receive and hold transferred ownership tokens
  • Verification URL configurable for any brand using RavenTag; brands can ship their own version of the app with the URL pre-set so users need no configuration
  • Fully white-label: custom logo, primary color, and brand name in one config file
  • No admin features, clean consumer verification UX
Download Verify App

Brand Manager App

For operators and brand teams

RavenTag Brand screenshot 1
RavenTag Brand screenshot 2
RavenTag Brand screenshot 3

Issue assets step by step

Root asset: 500 RVN, creates the brand namespace on Ravencoin

Root asset: 500 RVN, creates the brand namespace on Ravencoin

Sub-asset: 100 RVN, defines a product line within the brand

Sub-asset: 100 RVN, defines a product line within the brand

Unique token: 5 RVN, non-reissuable, one per physical item with NFC chip

Unique token: 5 RVN, non-reissuable, one per physical item with NFC chip

Asset hierarchy in the wallet

Root asset LUXURY_BRAND: brand namespace with IPFS image, ready to send or receive

Root asset LUXURY_BRAND: brand namespace with IPFS image, ready to send or receive

Sub-asset LUXURY_BRAND/LUXURY_BAG: product line with its own IPFS image

Sub-asset LUXURY_BRAND/LUXURY_BAG: product line with its own IPFS image

Unique token LUXURY_BRAND/LUXURY_BAG#SN0001: tied to the physical black leather bag, transferred to the end buyer as proof of ownership

Unique token LUXURY_BRAND/LUXURY_BAG#SN0001: tied to the physical black leather bag, transferred to the end buyer as proof of ownership

  • Issue Ravencoin assets: root (500 RVN), sub-asset (100 RVN), unique token (5 RVN)
  • Program NTAG 424 DNA chips with AES-128 derived keys via ISO 7816-4 APDUs
  • Multi-level access: Admin (full) and Operator (chip programming only)
  • Built-in BIP44 HD wallet (coin type 175, Ravencoin) with BIP39 12-word mnemonic
  • Transfer tokens to buyers as proof of purchase, revoke counterfeits instantly
Download Brand Manager App

Requirements

PlatformAndroid
Android 8.0 or higher (API 26+)API 26+
NFC-enabled device requiredNTAG 424 DNA
Available in 9 languagesEN IT FR DE ES ZH JA KO RU
WalletBIP44 m/44'/175'/0'/0/0
StorageAES-256-GCM · Android Keystore
ProtocolRTP-1
LicenseRTSL-1.0
Open source on GitHub