Efficiency on ARTIS ∑2 is two-fold, it consumes almost no energy per transaction and it avoids front running and censorship on the consensus layer.

Consensus protocols - basically the way how servers define the truth about shared data - determine to a large part the performance and energy consumption of a blockchain system and also how much influence validators (or miners, or pools) have on the ordering or censoring of transactions.

ARTIS ∑2 uses a new and novel consensus protocol published in 2016 by Andrew Miller et al. called Honey Badger BFT (HBBFT) consensus. It is built into the OpenEthereum client (formerly known as Parity client), currently maintained by Gnosis.

All validators work in a cooperative way together to form new blocks through a threshold signature scheme, where once 2/3 of all validators have signed the block, the outcome is revealed and also finalized.

Due to the cooperative and leaderless nature of the Honey Badger BFT (HBBFT) consensus the energy consumption of ARTIS ∑2 is only:

Furthermore, the use of threshold signatures among the validators effectively mitigates the risk of front running and censorship on the protocol layer. This doesn't just reduce fraud, it also reduces automated load on the system, when it comes to financial transactions.

ARTIS ∑2 will be one of the most efficient blockchain system on the market.

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