Overview of W3bstream

In a modular DePIN infrastructure, W3bstream is an implementation of the off-chain computing layer featuring multi-prover technology. As a decentralized heterogeneous prover pool, W3bstream can perform project-specific business logic on the data stored in the Data Availability (DA) layer and generate validity proofs (e.g., zero-knowledge proofs, attestation reports, etc.) of the computations executed. W3bstream works as a stateless computing component in a modular DePIN infrastructure and follows the high-level workflow as illustrated below:

Workflow of an Off-Chain computing Layer of the Modular DePIN Infrastructure
  1. A coordinator node in the off-chain computing layer retrieves data from the data availability layer based on the configuration of a DePIN project;

  2. The coordinator node feeds data to an idle prover node or a selected set of idle prover nodes in the off-chain computing layer;

  3. The prover node(s) performs computation specified by the DePIN project and generates the computation result and corresponding validity proof;

  4. The computation result and validity proof are returned to the coordinator node;

  5. The coordinator node sends the computation result and validity proof to a smart contract for further processing.

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2024 | IoTeX