using backup block explorer in case of failure of primary
using backup block explorer in case of failure of primary

psydrake/darkcoinBalance,psydrake/darkcoinBalance,psydrake/darkcoinBalance,psydrake/darkcoinBalance,psydrake/darkcoinBalance,psydrake/darkcoinBalance,psydrake/darkcoinBalance,psydrake/darkcoinBalance