Changes to “The spine chain”
#112 (zoobc.how, 2026-10-26 20:44 UTC) → #144 (zoobc.how, 2026-10-26 21:37 UTC): Seed article updated
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The spine is kept by every node, not by the Foundation, and nothing is traded on it.
+ > [!design] **Planned design.** When more than half the seats are gone for good, a release may carry a spine restart record (the last good spine block and a signer list). It is accepted only after the spine has been stuck for a week and the release has passed the registry's veto window.
− > **Planned design.** When more than half the seats are gone for good, a release may carry a spine restart record (the last good spine block and a signer list). It is accepted only after the spine has been stuck for a week and the release has passed the registry's veto window.
+ > [!design] **Planned design.** The archive will let anyone walk the spine back to any past snapshot and rebuild the state of that time (see [[the-archive]]).
− > **Planned design.** The archive will let anyone walk the spine back to any past snapshot and rebuild the state of that time (see [[the-archive]]).
+ > [!design] **Planned design.** If several chains come to share one spine, a chain's checkpoint and snapshots will enter a shared spine block only with the signatures of two thirds of that chain's own nodes.
− > **Planned design.** If several chains come to share one spine, a chain's checkpoint and snapshots will enter a shared spine block only with the signatures of two thirds of that chain's own nodes.
## See also
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