Loss of finalization and conflicting finality are different conditions.
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A committee failing to finish a vote differs from two incompatible results both being certified.
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Receive, check and share across independent nodesStep 1 / 4
A node receives a proposed transaction or block-related message. Receipt is not the same as accepting its claims.
A node receives a proposed transaction or block-related message. Receipt is not the same as accepting its claims.The node checks the relevant authorization and protocol rules. Popularity does not make an invalid state transition valid.Valid candidate data can propagate to peers. Connections and timing differ, so there is no perfect simultaneous worldwide view.Peers validate under the same protocol rules. This illustration is about verification and propagation, not a complete proof-of-stake consensus algorithm.
Animated local teaching model. No wallet, RPC or live blockchain data. Some labels and hashes are abbreviated for readability.
Distinguish liveness and safety
A chain can continue producing blocks while finalization stalls. Conflicting finalized histories would represent a different and more severe failure condition.
State the consensus assumptions
Validator participation, honest behavior and network conditions affect guarantees. Finality is not an unconditional promise independent of those assumptions.
Understand recovery mechanisms conceptually
Protocol mechanisms such as inactivity-related penalties address some prolonged participation failures. Exact recovery depends on the condition and active rules.
Avoid simplistic operational advice
A real incident requires current authoritative information and coordinated client/operator analysis. A classroom diagram cannot prescribe a universal recovery action.
Map the protocol concept
liveness issue: no new finalized checkpoint
safety issue: incompatible finalized claims
Different conditions require different analysis.
A conceptual model. Exact fields, limits and processing rules must be checked against the intended network fork.
QUICK CHECK · NO PRESSURE
Is stalled finalization identical to two conflicting finalized histories?
One concerns liveness and the other concerns conflicting safety outcomes.