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			@siwelwerd @JulieEstis @CParrishUSA @bestlab I'm more worried about accidental refreshes than malicious ones. In alpha.1 I plan to save scratches to the web browser so they'll persist upon refresh. But this is a browser-based app, which means that the answers are embedded in the shareable URL. 1/2
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			@siwelwerd @JulieEstis @CParrishUSA @bestlab And saved scratches can be cleared by clearing localstorage cache. So my implementation would be to distribute link via QR code to a single student phone/device per team, and at that point it's not like I'm not standing there in the room with them.