Dolla dolla bill, y'all

Like Wu-Tang said: &ldquo;C.R.E.A.M / Get the money, dolla dolla bill, y&rsquo;all&rdquo;. But how are these &ldquo;dolla dolla bills&rdquo; actually validated. Can you print your own money? Going again deep on technology literally no one talks about. Banknote validators. Introduction We&rsquo;ve all seen them, maybe even interfaced with them, sometimes without even acknowledging them. Plastic…