Prop firms (proprietary trading firms) are companies that give capital to traders to trade with, sharing the profits. Usually you must first pass a challenge that proves you can trade with discipline and risk control.
Why do they fit with bots? Because prop firms have strict rules: maximum daily loss, total drawdown limit, profit targets. These rules are exactly the kind of discipline an automated system maintains better than a human.
A trader who panics may break the daily loss limit on a bad day and fail the challenge. A system with predefined risk limits doesn't do that — it stops when it should, without emotion.
But there are cautions. First, every prop firm has different rules; a strategy must be compatible with the specific limits. Second, some firms forbid or restrict automation — read the terms carefully. Third, the low-risk version of a strategy is usually more suitable for prop challenges, because strict drawdown limits don't tolerate aggressive risk.
The prop firm model is attractive because it lets you trade with larger capital without risking your own money beyond the cost of the challenge. Combined with a disciplined, low-drawdown system, it becomes a sensible path — as long as you understand that the challenge tests risk management first, and performance only second.