You can’t “vote against” either candidate. You can “vote for” one or the other. Your vote counts as either one or zero (no vote). Voting against something implies deduction, like in the case of a Prop vote (yea or nay).

Separately, your reasoning for voting for Harris is because Trump is a horrible person. This is the lowest level of reasoning. Especially if you don’t know Trump personally.

You seem to have found your way to bitcoin, which requires reasoning, so I’d encourage you to utilize that characteristic and make more compelling statements. “Trump bad” is the most cited reason for voting for Harris. This is Trump Derangement Syndrome. Express a positive reason to vote for Harris instead. Apparently you’re not a fan of her taxation strategy, so what attracts your vote to her?

Just don't vote. This version of democracy doesn't work for everyone, so stop legitimizing it. The sooner people realize that voting, even voting poorly, is actually not in their best interests, the sooner we can move on to renegotiating this power structure.