The Business Blockchain: Promise, Practice, and Application of the Next Internet Technology

Carrying a secure wallet with our full electronic medical record in it, or our stored DNA, and allowing its access, in case of emergency.

Time stamping is a basic function that permanently registers on the blockchain the time that a particular action took place. For example, this could be the recording of an asset’s change of ownership, or the fact that an action occurred, like a medical exam or a specific transaction.

Old intermediaries that are threatened by technology always die hard. They do not simply roll over. They keep fighting while they are shrinking. Newspapers, cable television providers, and travel agents are some examples.

Here is another new paradigm about the blockchain: data and programs are public. Semi-public to be precise, because the information is cryptographically secure, and only visible if you have access rights. It means anyone can publish data on the blockchains. Previously, everything important was behind hidden databases, or a physical service counter,

Blockchains also enable assets and value to be exchanged, providing a new, speedy rail for moving value of all kinds without unnecessary intermediaries.

Keeping track of transitions of these states is important and that’s what the blockchain does well, and in a way that is immutable.

Sharing our patient data in the aggregate, while anonymizing it to ensure privacy is maintained. This is helpful in research, and for comparing similar cases against one another.

cryptography (via hash codes) is used to secure the authentication of the transaction source and removes the need for a central intermediary.

eliminate illegal drug manufacturing.

Whereas Airbnb has designed for the human element of trust, the blockchain was designed for a parallel element of transactional trust, where the human is also part of it, but behind the scenes, and that human is represented on the blockchain