As the person above indicates you can just remove the restrictive lines from the src when they're published. Their license on github gives clear indication that you are allowed to do whatever you like with the code including modifying. As they've already released an old version without the restriction as well there's no requirement to "update". So it's a nice sentiment, but it is something they can't actually accomplish unfortunatly. With webmining the main reason it's spreading so fast is that it's something people are aware of now. Before, despite bot-nets being used for crypto mining a lot of us weren't thinking about finding some legal web-based means of accomplishing the same effect from visitor's to our website. So the only way we can really achieve opt-in's for this will probably be to make it a legal requirement the way they did with cookies. Only then will website owners feel the need to use such an adjustent to the code. As your really not talking about the most pro-active customer friendly ...