There's a lot of talk about virtual currencies lately — how they work, economic implications and whether they're safe. But now a Native American tribe is using a bitcoin-like currency to help strengthen its sovereignty.
In South Dakota, the Oglala Lakota Nation has become the first Native American tribe to launch its own form of virtual currency. Payu Harris, its creator, calls it mazacoin.
Credit-card rivals Visa and MasterCard said Friday they have formed an industry-wide group aimed at improving payment security in the wake of a number of breaches that compromised customers' data.
"The recent high-profile breaches have served as a catalyst for much needed collaboration between the retail and financial services industry on the issue of payment security," Visa President Ryan McInerney said in the statement.
Here's what I remember: The day it happened, I was around 8 years old, which puts me in the second grade. It was definitely a Sunday (because we never went anywhere on Saturdays). My dad had decided to take me to the Museum of Modern Art to see some paintings, and I always liked going places with my dad, it didn't matter where, so we arrived at the lobby, bought our tickets, handed them to a man who tore them in half, like at the movies. Then we took the escalator, walked into a big gallery, and as we were moving through — that's when it happened.