What is the most deadly hemotoxin?

The most deadly hemotoxin is often considered to be that produced by the inland taipan snake (Oxyuranus microlepidotus), also known as the "fierce snake." Its venom contains potent enzymes that can cause rapid blood clotting and tissue destruction, leading to severe internal bleeding and organ failure. A single bite can deliver enough venom to kill multiple adult humans within a short period if left untreated. However, due to its reclusive nature and the availability of antivenom, bites are extremely rare.