Blockchain and sha256 [25], d *= c, h *= c, c = 8

void main() {
    char rnd[128];
    ::sprintf(rnd, “3n + 1 conjecture”);
    unsigned char hash[32];
    CSHA256().Write((const unsigned char *)rnd, ::strlen(rnd)).Finalize(hash);
    hex_printf(&hash);
}

result hash (“3n + 1 conjecture”, d *= c, h *= c, c = 8, sha256):
0x003adeb74b6b07253c56b0e226bd4baadd94273f159e5efc6b6af0439c24ee49 — (17)