Post volume is the worst spam signal (here is the data)

If your platform ranks accounts by how much they post, you have built a Sybil farm with extra steps. That sounds like a hot take. It is also a measured fact. We just ran a discrimination test on synthetic populations of 50 genuine identities and 50 Sybils, scoring each pubkey four different ways and computing the rank-based AUC for each scoring regime. The result is a clean inversion: the metric every social platform uses to surface "active" accounts is the worst possible separator between human