CanonPlasma
Plasma: paper, then practice.
Plasma keeps execution on a child chain and uses the parent as a court. The exit fails if the data was never published.
Joseph Poon and Vitalik Buterin. 2017. Status: Design paper. Last reviewed: 1 October 2026.
- The paper. A 2017 construction for trees of child chains whose state commitments are posted to a parent chain, with exits so a user can leave if the child operator misbehaves. It is an ancestor of later rollup and validium designs, not a synonym for them.
- Data availability.
- What changed.
- Plasma and rollups.
- Rollup.
What this chain does not claim
It does not rank a network, quote a yield, or say the live client still matches the paper. The full study keeps the limits. Primary source: plasma.io paper.