Consensus PoSa

PoSA is a novel consensus algorithm that blends the strengths of PoS with an additional activity factor. The activity factor 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.

How Does PoSa Work?

In PoSa, validators (i.e., nodes that validate transactions and blocks) must first stake a fixed amount of tokens, which is 8192 for all validators, to participate in the consensus process. This stake serves as collateral, ensuring that validators act in an honest manner. However, in PoSa, the ranking of a validator is determined not only by the size of their stake but also by the activity of their smart contracts.

The activity of a smart contract is the sum of all gas used by users when interacting with the contract. The more gas a contract uses, the more active it is considered to be. This activity is then combined with the validator's stake to determine their rank.

The advantage of this approach is two-fold. Firstly, it provides an incentive for developers to create high quality, highly used contracts, which helps to maintain the overall health and security of the network. Secondly, it helps to decentralize the network, as validators with high quality, high usability contracts will have a greater influence in the consensus process.

It's important to note that even validators without activity are still important to the network, as they play a role in maintaining its security and stability.