is bitcoin largely used on the deep web because of the anonymity it offers and is it the only payment method available if your shopping on deep web or there are some other payment method aside from bitcoin and how big bitcoin is on deep web?
Many people are into dark web now, and they used Bitcoin for all their transactions, this could be the reason why there is a good support from Bitcoin, but we can also use it as a payment processor in the normal web and many merchants have adopted Bitcoin as one of their payment processor.