Debit Card for Groestlcoin GRS Equicex - GRS Black Card This Visa Electron card does not bear any personal details about its holder on the card or when used at an ATM. No required KYC, ID or Utility Bills for this card. Anonymous tax free bank accounts are also available. Equicex - GRS Blue Card Contactless Equicex Visa prepaid card. Shop anywhere! Shops, restaurants, ATMs and online. Use your virtual card or prepaid card anywhere major cards are accepted. PolisPay - GRS Card The PolisPay Card is one of the fastest, easiest ways to turn your Groestlcoin GRS into fiat currency. You can use your PolisPay GRS Card for online shopping and at any brick and mortar retailer that accepts MasterCard® debit cards. You can also withdraw cash at any MasterCard®-compatible ATM.