In London, a tech company called Walletmor is implanting customers’ hands with contactless payment microchips. Is this the future of financial convenience, or a step too far? For the price of £230, which somewhat ironically is way beyond the contactless payment limit, London tech company Walletmor will implant your hand with a microchip that can be used to make contactless purchases. If you’re down for a little augmentation and like the idea of becoming a walking wallet…