PoSA is a novel consensus algorithm that blends the strengths of PoS with an additional activity parameter. The activity parameter is calculated based on the usage of the smart contracts deployed on the network. In simple terms, the more a smart contract is used, the more impact it will have in the consensus process. This creates an incentive for contract developers to create high-quality, highly-used contracts, as they will have more impact in the network.

Bahamut is an EVM-based, layer 1, public blockchain solution that aims to transform how distributed networks approach block rewards among network participants by adding a crucial parameter to the algorithm - activity. The activity parameter is represented by the amount of gas used by a validator's smart contract, and this amount is taken into consideration when distributing the chance to become a block proposer and earn rewards. Bahamut’s novelty consensus – Proof of Stake and Activity (PoSA) – has been developed by Fastex engineers. Currently, Bahamut has over 4200 validators, 600,000 transactions, and 200,000 FTN holders. PoSA is a variation of PoS (Proof of Stake), which adds a new parameter called activity. This activity is represented by the total amount of gas spent by a validator-deployed smart contract, and it is taken into account when determining the chances of becoming a validator in the next epoch. Put simply, the more activity a validator has, the higher their chances of becoming a validator in the future, and the greater the rewards they can earn.

FTN is the native currency of Bahamut blockchain, a public EVM-based layer 1 solution with a novelty consensus called Proof of Stake and Activity (PoSA). FTN serves as the gas unit for Bahamut, enabling staking and block creation and validation mechanisms, as well as cross-chain operations. Initially, FTN was emitted as an ERC-20 token that serves as a utility token for the whole SoftConstruct - a leading IT solutions provider - ecosystem, enabling users to settle all kinds of business and personal arrangements between themselves and any of SoftConstruct’s products and services.