Isn't this just vouchers or coupons with extra steps? Locking money to a purpose has been done at casinos for a long time; "but now with tech" > INTERVIEW As t

Isn't this just vouchers or coupons with extra steps? Locking money to a purpose has been done at casinos for a long time; "but now with tech" > INTERVIEW As the tide of enthusiasm for cryptocurrency ebbs, new forms of digital currency are emerging, including something called purpose bound money (PBM) – digibucks that can only be spent in certain ways coded into them by their issuers, or would only change hands under certain conditions. > The core idea of PBM is that its issuer can stipulate what the digicash is used for, who it can be transferred to, daily spending limits, and even give it a use-by date. The number of constraints imposed on the instruments can be many or none. That's called coupons. Save your time and skip this article.