Chu Ka-Cheong pfp
Chu Ka-Cheong
@kc
A quick technical review 🧵 on AT Protocol (Bluesky) and Farcaster. Both protocols have quite similar objectives, but they have very different design. First, identity. Both want account portability where user can migrate identity to a new service provider without existing server’s cooperation (unlike Fediverse).
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Chu Ka-Cheong pfp
Chu Ka-Cheong
@kc
ATP achieves it by distinguishing between small-world and big-world. Small-world is a network that encompasses inter-personal activity, and big-world aggregates activities in the larger network. Personal Data Servers (PDS) are responsible for the small-world while apps use indexing services for the big-world. 10/n
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