What does defdrop do?

Returns a new Dataset with a column dropped. This version of drop accepts a Columnrather than a name. This is a no-op if the Dataset doesn't have a column with an equivalent expression. Since 2.0.0 defdrop(colNames: String*): DataFrame

What is a DropDrop attack?

Drop attacks are sudden spontaneous falls while standing or walking, with complete recovery in seconds or minutes. There is usually no recognized loss of consciousness and the event is remembered. It is a symptom, not a diagnosis, and it can have diverse causes.

Is there a formalization of a Defi exploit?

Earlier attack vectors like re-entrancy or access control only concern simple semantics, and other functional correctness related hacks are well defined with respect to the specifications. However, there has been little work in the formalization of a DeFi exploit.

Should I use a Stardrop exploit?

This exploit is not recommended for those who want a serious playthrough, but it's fun if the player is trying to earn money quickly. For example, if someone wanted to get a stardrop every time someone says their name, they would include in their name somewhere.