char *BTCD_hdrs[][4] = {
    { "0", "0000044966f40703b516c5af180582d53f783bfd319bb045e2dc3e05ea695d46", "a5d211145f8e6ba0920b2893d307c5d7c207ae0800a80955299678d1706ea8ac", "000000000c4682089c916de89eb080a877566494d4009c0089baf35fe94de22f"},
};