Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Erika Rasure is globally-recognized as a ...

Peter Gratton, Ph.D., is a New Orleans-based editor and professor with over 20 years of experience in investing, risk management, and public policy. Peter began covering markets at Multex (Reuters) ...

A public 1, permanent 2, append-only 3 distributed 4 ledger 5. A mathematical structure for storing data in a way that is nearly impossible to fake. It can be used for all kinds of valuable data.