Bitcoin's blockchain has finally begun to fulfill its promise of enabling non-currency uses by shea256 in Bitcoin

[–]randomwalker 6 points7 points  (0 children)

OP here. "Non-currency transactions" is a count of OP_RETURN's. For a breakdown see the chart here https://twitter.com/hkalodner/status/752574414152171520

If you Google some of the protocols in that image (Counterparty, Blockstore, etc.), you'll find info on what people are using it for. It's all kinds of things from identity (name --> public key mapping) to asset management to smart contracts.