This paper proposes the Proof of Contribution Score (PoCS) algorithm to enhance blockchain consensus by integrating block verification capabilities into metaverse clients and quantifying individual node contributions. PoCS addresses the centralization issues inherent in the traditional Proof of Stake (PoS) algorithm by evaluating not only a node’s stake but also other factors such as block generation frequency and network activity. This ensures a more equitable and decentralized consensus process. PoCS is combined with Practical Byzantine Fault Tolerance (PBFT) to improve stability and reliability within permissioned blockchain environments. A key innovation of PoCS is the introduction of a fairness baseline, which visualizes deviations in node contributions, effectively detecting imbalances and potential biases in the node selection process. This allows for fair evaluation and reward distribution, fostering long-term network stability and scalability. PoCS is particularly applicable in complex environments such as the metaverse, where it can contribute to building a fair and sustainable blockchain ecosystem. By providing a solid foundation for enhancing the fairness of leader-based consensus algorithms, PoCS can significantly strengthen the blockchain’s capability in such dynamic environments.