The IoTeX Foundation has revealed its strategy for introducing W3bstream, a layer-2 rollup tailored specifically for DePIN. This initiative aims to address DePIN's scalability challenges by integrating blockchain technology, albeit within the constraints of maintaining a robust trust foundation.

In essence, DePIN applications encounter scalability issues, prompting the IoTeX Foundation to introduce W3bstream.

While drawing inspiration from Ethereum's roll-up technique, W3bstream diverges in several key aspects regarding its core components. These components include a decentralized sequencer network, decentralized aggregator network, sovereign smart devices, Layer-1 network, and data availability layer.

Sovereign smart devices, deployed in the physical world, not only gather data but also ensure its trustworthiness. They are pivotal for maintaining data integrity.

The data availability layer temporarily stores data received from devices, distinguishing itself from persistent storage due to its short-term nature.

The decentralized sequencer network (DSN) plays a crucial role in reaching consensus on collected data stored in the data availability layer. Consensus is essential for meaningful computations within the community.

Meanwhile, the decentralized aggregator network conducts computations by retrieving data batches from the first layer and generating aggregated Zk-proofs. These proofs can be verified on the Layer-1 network, serving as the trust foundation for all DePIN applications.

The IoTeX Foundation's launch of W3bstream for DePIN signifies a significant step towards enhancing its scalability, focusing on data pre-processing through DSN to improve efficiency and throughput.

W3bstream's support for DePIN applications extends across various blockchains, ensuring security and scalability regardless of the project's underlying blockchain.

This development follows the IoTeX Foundation's partnership announcement with Streamr to bolster DePIN data, marking a notable milestone in the advancement of DePINs through the integration of cutting-edge technology, real-world sensors, computing power, connectivity, and AI.