The bigger concept behind cryptocurrencies like bitcoin is blockchain technology. The blockchain (a chain of transaction blocks) is a public transaction ledger, automatically downloaded and stored digitally in electronic wallet applications; a digital record of all transactions in a certain asset class like bitcoin.

There can be different kinds of blockchains (ledgers) for recording and tracking different kinds of assets. Blockchain health is the idea of using blockchain technology for health-related applications.



At least four principal blockchain health ideas have been articulated so far: