Alternatives to blockchains
As the blockchain technology advanced in recent years, researchers started to think about the possibility of creating platforms that can provide guarantees and services which a blockchain provides but without the need for a blockchain. This has resulted in development of R3's Corda, which in fact is not really a blockchain because it is not based on the concept of blocks containing transactions; instead, it is based on the concept of a state object that transverses throughout the Corda network according to the requirements and rules of the network participants representing the latest state of the network. Other examples include IOTA, which is an IoT blockchain which makes use of a Directed Acyclic Graph (DAG) as ...
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