Is sperm still alive if you wipe off your hands after you ejaculate?

Yes!!!! Sperm is microscopic and therefore cannot be "wiped off".

yes but sperm needs the nutrients from the semen to stay alive, so your clearlly wiping the semen off so the sperm dies

anyway sperm dies about 5 minutes after it hits the air because they will not like the temperature of the hot area which is why your ball sack is not on the inside of your body.