South Korean exchange races to recover $40B of Bitcoin sent by mistake (theguardian.com)

> Bithumb said it had corrected most of the mistaken credits

"Correccted"?

If this means cancelled the transfers, then ... isn't Bitcoin supposed to be secure against that?

> The exchange is now holding what it described as “one-on-one persuasion” talks

Let me guess. Accounts are frozen.