coins

I have read in an online article stating "Many people people think that it is illegal to incorporate coins into jewelry making. This is not true. It is illegal to deface US currency if the intent is continue to use it as legal tender after it has been altered." Is it also legal to use...

Cryptanite Blockchain Technologies Corp (LITE.C) creates a mobile app platform which integrates all the ecosystem tools required to live in a crypto-currency world. https://cryptanite.com/

Just wondering if anyone on here collects rare coins and/or bank notes? I used to when I was growing up (that said I'm only 21) but the past few years have just sat on them. Only found them all the other day and was wondering what they're worth... got me thinking but just my 2c, always...