Crypto constructor
      
      Crypto({ 
    
    
- required IReownCore core,
- required IGenericStore<String> keyChain,
- CryptoUtils? utils,
- RelayAuth? relayAuth,
Implementation
Crypto({
  required this.core,
  required this.keyChain,
  CryptoUtils? utils,
  RelayAuth? relayAuth,
}) : utils = utils ?? CryptoUtils(),
     relayAuth = relayAuth ?? RelayAuth();