RT: And I would also thoroughly recommend this excellent interactive webpage which @isaacardis put together describing #EthereumClassic from a security perspective and specifically analyzing costs for 51% attacks:
https://meowsbits.github.io/51...
TL;DR - we are in a secure place!
RT：我也会彻底推荐这个优秀的互动网页，@isaacardis 把它放在一起描述