jmmemoL®Selling Digital Content On-Chain with One-Time Money Button Swipe
https://www.yours.org/content/selling-digital-content-on-chain-with-one-time-money-button-swipe-b20ceef62eb0
https://whatsonchain.com/tx/34311c39a9ef21909d3357dfb4f82f63b5d0a302d3937c5ad4aff8522ad48cd4