Blockchain Studies

Blockchains.  This was new to me, then heard it mentioned several times in one week.  " ... The blockchain is a new organizing paradigm for the discovery, transfer, and recording of all quanta (discrete units) of anything, and the decentralized coordination mechanism to possibly scale humanity to its next levels of progress.  ... " .  I see it is also a Bitcoin wallet.  What other examples of the concept's use  exist outside of the Wallet?   See the the link for a broader view.