Issuing invoices and paying directly in the terminal via Bitcoin's Lightning network would be pretty cool add-on. Machine to Machine payments: Say you deploy a

Issuing invoices and paying directly in the terminal via Bitcoin's Lightning network would be pretty cool add-on. Machine to Machine payments: Say you deploy a bitcoin miner to stranded gas. It starts to mine coins and can start paying you to back up it's data without ever needing to create a Paypal account.