Collators aggregate parachain transactions block candidates and producing state transition proofs for validators based on those blocks.

Phala is a specialized privacy-preserving cloud computing blockchain powered by Polkadot Relay chain.

PHA holders own and govern the protocol. Phala’s investors include IOSG Ventures, Incuba Alpha, Candaq Fintech Group, and others.

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Blockchains (L2)

Phala

# Core developers Methodology

## Overview

Core developers measures the number of unique GitHub contributors who made at least one commit to the project’s public repositories over the past 30 days. For fully open source projects, it reflects the size of the project’s active engineering base.

Unique contributors who made at least one public commit over the past 30 days.

PhalaPHA

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Core developers

Core developers

Competitive landscape