Looks like this member is no longer here but I will reply. The mark of the beast is a mark that will be found on people's foreheads or right hand. Revelation 13:16-18
It's essentially a mark to identify the community of the beast. The bible says that people without the mark will not be able to buy, sell, etc. Revelation 13:17
With that said, people turn it into a conspiracy. If you google the mark then you'll see barcodes on people's heads and microchips in the hands. That could be completely possible that something like that could happen, but then again it may not look like that at all.