Proof-of-work blockchains have faced heavy criticism in recent times.
Mining makes the blockchain tick. Without miners, there can be no confirmation of transactions, and hence no cryptocurrency itself.
Point-of-Sale Systems Provide the Means by Which Crypto Can Integrate into Mainstream Financial Services
Point-of-sale systems have so far been a weak link in the blockchain.
Blockchain technology has many use cases, most of which have yet to be discovered.
Blockchain has limitless potential. The..