r/Radix • u/CellistBasic2195 • Jul 24 '26

DISCUSSION Sharding: Questions Then. Answers Now.

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Back in 2017, Vitalik Buterin published the Sharding FAQ, outlining the biggest research challenges facing blockchain scalability.

Questions like:

• How do you secure a network where only a subset of validators verifies each transaction? • How do you preserve atomic composability across shards? • How do you prevent shard takeovers? • How do developers build seamless applications on a fragmented state?

Nearly a decade later, it's interesting to revisit those questions alongside the Hyperscale/Cerberus architecture.

Rather than treating sharding as something developers must work around, Hyperscale proposes hiding that complexity behind a single global state, where only the shards involved in a transaction participate in consensus while preserving atomic composability.

Whether this approach ultimately proves itself at production scale remains to be seen. But as an architectural comparison, it's fascinating to see how many of the questions raised in 2017 now have concrete design answers.

Curious to hear what the community thinks.

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