QRC SIM Card is a physical SIM card product developed by QRC (Quantum Resistant Cryptography), a Swiss-based company. The product is designed to enable long-term secure payment transactions using quantum-resistant cryptographic methods. The product is currently in a pre-release or limited availability phase. The company is collecting contact information (international phone numbers) from interested parties to notify them when the SIM card becomes available in their region. Beyond enabling quantum-resistant secure payments, no additional technical specifications, supported devices, or deployment details are publicly described on the available page content.