Shares in photo firm Eastman Kodak soared nearly 120% after it revealed plans to mint its own crypto-currency, the KodakCoin.

The US firm said it was teaming up with London-based Wenn Media Group to carry out the initial coin offering (ICO). It is part of a blockchain-based initiative to help photographers control their image rights. Kodak is the latest in a series of companies to see its value jump after revealing plans for blockchain-related activity.…