This one has a direct connection to digital payment systems that are replacing currency. It then has a direct connection to fulfilling the prophecy of the book of Revelation.

(Revelation 13:17-18) “And that no man might buy or sell, save he that had the mark, or the name of the beast, or the number of his name.  {18} Here is wisdom. Let him that hath understanding count the number of the beast: for it is the number of a man; and his number is Six hundred threescore and six.”