Nothing special r unique about this niche, it's already there.
Putting this niche into the blockchain cryptosphere won't make it even better to be honest.
I have nothing against this project, but let's keep it realistic.
It's already there? haven't seen any similar security solution like this. and i think they're targeting a very significant niche market since cryptocurrency is a growing industry and scammers are all around trying to hamper its growth.
I still wouldnt want to be scammed and lose my money in any way, whether crypto or in wider ecommerce sites. So whatever solution that seems competitive enough to fight the scams, i will support it.