The Internet of People uses a new type of cryptographically secured data structure called the graphchain.

The main difference between a graphchain and a blockchain is that the first acts as a cryptographically secured data structure, in which no blocks or transactions have to be stored.

At the graphchain the information to be stored concerns either nodes or edges of a graph. The difference with a regular graph is that nodes are identified by a public key and its information is controlled by the corresponding private key holder.

Edges represent relationships between the entities controlling nodes and some of these relationships can only be added to the graphchain if they are signed by the private keys of both connected nodes.

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