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Waterfall is a highly-scalable smart contract platform for the development of various decentralized applications (Dapps). The distributed protocol is based on DAG (Directed Acyclic Graphs) technology, with fast finality Proof-of-Stake (PoS) consensus.

The Waterfall platform relies on Coordinating and Shard networks achieving high transaction throughput via parallelized block production (Figure left panel). Each network Worker also consists of two parts, a Coordinator and a Validator, presenting themselves in the corresponding networks (Figure right panel).


Figure: Coordinating and Shard networks (the left panel) and the structure of a node (the right panel).

The timeline is divided into slots, epochs, and eras. The Coordinating network maintains a register of Validators and also assigns block producers, committee members, and leaders in each slot at the epoch’s beginning. Moreover, this network contains information about the approved blocks created on the Shard network. An honest producer accompanies its created block with links to all known tip-blocks of the DAG. At the same time, the linearization (ordering) and finalization of the distributed ledger are performed in the Coordinating network, increasing overall security and synchronization.

A native coin (WATER) serves as a main network digital asset that allows for transferring of transactions, running of smart contracts, governance voting, and auxiliary token creation, forming an ecosystem with the prospect of synergistic interaction of all its elements.