[headcanon]

The downside is that when you put in a limit buy the exchange puts your money into escrow until the order is cancelled or filled. Since a crash like that is unlikely to happen (first time on that exchange I believe) it just means you have money tied up when it could be put to better use

[unknown_apostle]

"unlikely"

Complexity fattens the tail. Ethereum must be one of the most complex things out there.

It's been live for 1 year on GDAX and then it went for a 3000x round trip. What does that tell you about odds?

[lordlimecat]

It tells me that its a terrible investment decision and that I am better off at the blackjack table. At least casinos are regulated.

[koolba]

And they could reverse the trades and null them out on both sides. Just because the order gets filled doesn't means it'll complete. Until you get the asset, sell it, and get your cash out of there, you're still at risk.