What Is the Most Useful Thing You Learned From This Forum

[Emma92]

Straightforward one for a Sunday. Not asking about the best thread or the most interesting debate, asking about something you actually took away and used. A piece of information, a tool recommendation, a way of thinking about a problem, a stock tip that worked or did not work, a piece of code that saved you hours.

Could be something from last week or something from years ago. Big or small. The kind of thing where you thought, I am genuinely glad I read that.

Bonus points if it is something from a board you would not normally visit.

[Sophie83]

The distinction between quantum mining attacks and wallet attacks from the Bitcoin board. I had been conflating them for years and understanding the difference completely changed how I think about the quantum threat to crypto