From the Waste of Time & Money Department
Some people have just way too much time and money on their hands.
If all you’re gonna do is set fire or nuke your money like that, I’ll take some.
Edit: This appears to be an “urban legend”. After reading around a bit more to see if there are RFID tags in $20 bills, it appears that the original person is either a nutter, or this is a joke. Or both.