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Conflict-Free Replicated Data Types (CRDT)

crdt.tech Reference Documentation & references Computer science Candidate
Screenshot of crdt.tech captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 3 calendar years, with breakout response in 2 of them.

submissions
3
submitters
3
observed span
2020–2024
peak thread · 54 comments
204 pts
latest 20+ return · 2022-04-11
204 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

Lots of the comments here seem to be about why do you need CRDT when so many solutions can solve collaborative text editing. The biggest bang is for de-centralization or edge based storage similar idea to @josephg (personal computing). Imagine taking multiple hours provisioning your personal compute with all your data and stream the diff across your devices and having an internet that runs off your devices. This would finally allow for a multi device local-first experience…

yonz·204-point thread·

For those wondering: From the site: " Conflict-free Replicated Data Type (CRDT) is a data structure that simplifies distributed data storage systems and multi-user applications. In many systems, copies of some data need to be stored on multiple computers (known as replicas). Examples of such systems include: Mobile apps that store data on the local device, and that need to sync that data to other devices belonging to the same user (such as calendars, notes, contacts, or reminders); Distributed databases…

mwexler·176-point thread·

Interesting, but there is very little information in the linked paper regarding implementations and the practical performance of CRDTs. There are tons of references, so I presume this is a literature summary?

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
397

reference only — not used in Hall rules or ranking

Total comments
73

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2020-03-30About CRDTsFirst breakoutadamnemecek17617
2022-04-11Conflict-Free Replicated Data Types (CRDT)Best thread · Latest 20+ point returnleonidasv20454
2024-09-30Conflict-Free Replicated Data Typestimkq172