Yassine Elmandjra, a crypto asset analyst at ARK Invest, said in a May 24 tweet that the Bitcoin Cash (BCH) hashrate fell by 30% since its halving event, and only accounts for about 2% of the SHA-256 hashrate. Elmandjra now thinks it’s only a question of time before somebody takes advantage of the network:
“Surprised we haven't seen a large scale attack yet.”