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Comment by mikeyouse | Hacker News Reader

One perk of a public blockchain is that crimes like these are more transparent! A Twitter user 'discovered' the fraud a few months ago:

https://twitter.com/cobie/status/1513874972552355846

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As it turns out, a distributed immutable ledger is quite useful for investigators.

Monero prevents all that. Nothing is publicly visible other than the data demonstrating that the transactions are valid.

Unless it has changed, that's not true. Monero obfuscate but does not hide (unlike zcash?)

The person was lazy. There are many ways to obfuscate this even when the ledger is public

The indictment describes the numerous ways in which the perpetrator managed to obfuscate the insider trading. It didn't stop the USG from finding him and prosecuting him.

No. They got sloppy with at least one big position with suspicious timing. [0]

[0] see infamous tweet about position 24h prior to announcement.

yeah but it was private and presumably a pretty limited number of people knew about it at the time which narrows down the number of potential candidates pretty considerably.

There are so many other ways to do this that are infinitely harder to track. Suppose token X is going to hockey stick. You can short a derivative that shorts X. You can long a derivative that longs X. You can leverage a lending protocol that contains X. Etc.

"Buying X when X will go up" has got the be the most unsophisticated way possible one can leverage insider information. Not to mention a basically guaranteed way to get caught.

How would one do this?

you're right in that, the illusion of transparency actually gives the sophisticated players cover.

If he used different wallets to buy different coins then the correlation might not have been noticed. Buying coins right before they're listed on Coinbase is still suspicious but it would have been less suspicious at least.

just because it's available doesn't mean it's trivial to figure out. it does actually take effort to find something like this.

That specific thing is kind of trivial to check though. Download the full chain, check which addresses has exactly the same list of tokens as the list was published by Coinbase, check which ones received the tokens shortly before it was announced.

yes true but you still have to be intentional about what it is you’re searching for.

with some effort the search can be automated.

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