AT Protocol - Bluesky PBC Dominance Index

This page provides a measurement of Bluesky PBC's control over various components of the AT Protocol social network infrastructure. It tracks the distribution of power across key protocol elements, helping to assess the current state of decentralization and identify areas where centralized control may need to be reduced to achieve the protocol's long-term vision of a truly distributed social network.

Overall dominance

94.80%

Protocol Development

95%

Protocol development is fully controlled by Bluesky PBC (Source 1)

Identity

~100.00%

did:plc is fully controlled by Bluesky PBC. did:web method using 146 accounts (Source 1, Source 2)

Handles

99.52%

38,480,985 out of 38,666,985 (186,000 non-bsky.social handles) (Source 1)

Data (PDS repos)

99.90%

38,629,087 out of 38,666,985 (37,898 non-bsky repositories) (Source 1, Source 2)

Relays

~98%

This is just an estimate, we don't have enough data at the moment (Source 1)

AppViews

~98%

This is just an estimate, we don't have enough data at the moment

Bluesky Clients

~93%

This is just an estimate, we don't have enough data at the moment

Bluesky Moderation

~75%

This is just an estimate, we don't have enough data at the moment

Author: @tree.fail | Source code

Generation time: 2025-09-03T00:31:09.489Z