See https://news.ycombinator.com/item?id=43556521

wherein a hosting company sees AI bot scans that appear to be coming from millions of unique addresses, thousands of ASNs, many residential and often with a single connection from an IP. The AI bots are proxying through either hacked IoT devices or apps that pay people pennies to let their phone be used as a proxy.

Likely your proof of work will be distributed to the proxies. It'll just make millions of webcams and phones run a little hotter without slowing down the AI bots at all.