// NODE_GRAPHENE means the node supports Graphene blocks
    // If this is turned off then the node will not service graphene requests nor
    // make graphene requests
    NODE_GRAPHENE = (1 << 6),

    // Bits 24-31 are reserved for temporary experiments. Just pick a bit that
    // isn't getting used, or one not being used much, and notify the
    // Bitcoin Unlimited devevelopement team. Remember that service bits are just
    // unauthenticated advertisements, so your code must be robust against
    // collisions and other cases where nodes may be advertising a service they
    // do not actually support. Other service bits should be allocated via the
    // BUIP process.

    NODE_WEAKBLOCKS = (1 << 7),

    // NODE_CF indicates the node is capable of serving compact block filters to SPV clients.
    NODE_CF = (1 << 8)
};