Eastman Kodak is joining the cryptocraze. The 130-year-old company said Tuesday it has used blockchain, the technology underpinning popular digital currencies such as bitcoin, to create a new platform for digital photography with its own digital currency, called KodakCoin. The site, called KodakOne is "a new economy" for photographers to license their work and receive payments, the company said. Blockchain is a secured, online ledger of transactions that doesn't need a third party to act as a go-between. It is an emerging area of intense interest for banks and other financial companies as well as technology ... (full story)