"I am 99.999% certain this is bug free."

https://www.youtube.com/watch?v=cahj4WJtp20&feature=youtu.be&t=42m52s

The Naive hubris is very dangerous within Vitalik.

We all make mistakes. This mistake costs quite high. I hope Vitalik and other programmers will learn a good lesson.

Its not just a mistake . The whole concept is flawed and DOA! Those that understand security realize this. This is just the start of "hacks".