This circle antenna represents an excellent option which is suitable for anti-counterfeiting, gaming and toys, any other NFC applications, etc. Each NFC Label has a unique serial number, and the chip itself has an encryption algorithm, which encrypts the written data to prevent the data from being copied into counterfeit products HUAHAO RFID has an in-house R&D team well equipped with state of art Lab equipment which can customize a suitable label for your real-world applications.