IOTA is a decentralized distributed ledger that was designed primarily for the Internet of Things. Unlike other cryptos based on the Blockchain technology, IOTA works on the Tangle Network technology— which is a Directed Acyclic Graph (DAG).

The Tangle Network enables IOTA to work in a faster and smarter way that was not possible with blockchains. In a more connected network, IOTA opens a variety of use cases that cannot be replicated with the blockchain technology.

IOTA is designed to make IoT achieve the next level of networking — think of connected devices with sensor technology, machine to machine communication, smart cities, pay on demand and other IoT concepts which were otherwise not very feasible with blockchains.

What is a DAG and how does Tangle work?

A Directed Acyclic Graph (DAG) is a finite graph wit...

Blockchains are one of the core backbones for decentralized cryptocurrencies such as Bitcoin. In this easy-to-understand guide, we cover the fundamentals of blockchains and the problems they solve.

Expected time to completion: 1-2 hours

The state of the XRP distributed ledger changes every few seconds. When the nodes that validate the transactions agree on which transactions to validate and add them to the ledger, a new instance, or current state as it is known in other blockchains, is defined. It is given its own serial number which helps to identify it.

XRP Ledger Elements — Source

The new instance will have the metadata of the trans...

This is the ultimate guide to learning and understanding all the basics of the Ripple (XRP): the protocol, consensus method, how to buy and sell it, and concerns around this crypto.

Expected time to completion: 1 hour