For those of you interested in the latest crypto currency exchanges related attacks, here is a technical analysis of the Uniswap/lendf.me attack which led to a theft of 25$ mil:
https://medium.com/@peckshield/uniswap-lendf-me-hacks-root-cause-and-loss-analysis-50f3263dcc09 1/2

A side effect is that the attacker's opsec went wrong most likely, since the entire amount that was stolen has been returned - this thread summarises it all: https://twitter.com/FrankResearcher/status/1251771278719098886 2/2