Dear Miner,

Yesterday, the Bitcoin community exposed a dangerous backdoor (Antbleed) in Bitmain's mining hardware, allowing an attacker to remotely shut down your Antminer, which could potentially negatively affect your rewards on our pool.

Antbleed vulnerability was hard-coded into the firmware of selected Antminers. When the code runs, your miner sends a request to a remote server, and depending on the server’s answer, the miner either continues to mine or shuts down.