Welcome to
A Space Blockchain Club Initiative
Space Blockchain Club · NFC · Polygon
📱
SMARTPHONE REQUIRED
NFC chip scanning only works on a smartphone with NFC support.
You appear to be on a desktop or laptop — please open this page on your phone, then tap your device to the STARWIND chip to verify authenticity.
↗ Open on your phone · starwindblockchain.com
Verifying chip signature… Querying Polygon blockchain registry…
TAP TO VERIFY
Hold your phone to the NFC chip.
Verification happens instantly — no app needed.
NTAG 424 DNA · Space Blockchain Club
Chip Technology
NXP NTAG 424 DNA
ISO 14443 Type A
Security
AES-128 CMAC
SUN Message Auth
Registry
■ Polygon Blockchain Each NFC chip in the STARWIND initiative is registered on a permanent, tamper-proof smart contract on the Polygon blockchain by the Space Blockchain Club. The registry is decentralized and independently verifiable by anyone, forever. polygonscan.com · 0x0737...7C11
Cohort
Year 2026 — Flown Hardware Awards — Space Blockchain Club — Quantity 100