did:plc Directory
Bluesky,
Nov 21, 2024
The PLC Directory is "a self-authenticating Decentralized Identifier (DID) system which is strongly-consistent, recoverable, and allows for key rotation." It was developed by Blesky and now holds some 20 million or more DIDs created when Bluesky accounts were created. As Laurens Hof argues, it is one of the "chokepoints" in what is intended to be a decentralized system. Bluesky writes, "While PLC originally stood for "placeholder", the system has been in production use for several months (and while) it is conceivable that the method will evolve or be replaced over time by a successor method, we feel that the current system provides value and is worth consideration as a persistent identifier for other applications." But really, what's needed is to decentralize this as soon as possible, with something akin to the Domain Name System (DNS) stat before it gets too large to change. PLC code is here.
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