the point of no return. once a signal achieves finality, its cyberlinks are permanent in the cybergraph — the focus is spent, the link is irreversible
finality is the guarantee that a committed step will never be reverted. the cyber protocol uses deterministic consensus with immediate finality — once a step receives supermajority confirmation from validators, its state transition becomes permanent.
this design differs from probabilistic confirmation models. there is no concept of "confirmations" accumulating over time. a signal either achieves finality within its step, or it fails and never enters the state.
cyberlinks depend on finality for their semantic integrity. a knowledge graph that allows link reversal cannot serve as a reliable foundation for cyberank computation. finality ensures that once a neuron asserts a relationship between particles, the assertion persists.
pay operations inherit finality from the step that contains them. the moment a transfer commits, the sender's balance decreases and the receiver's balance increases with absolute certainty. no subsequent step can undo this transition.
the cost of finality is consensus overhead. every step requires a supermajority of staked coins to sign the commit, which bounds throughput. the cyber protocol accepts this tradeoff because a knowledge graph without finality has no epistemological foundation.
validators that attempt to violate finality — by signing conflicting steps at the same height — face slashing. their locked coins are partially burned, enforcing honest participation through economic consequence.
finality transforms the cybergraph from a temporary data structure into a permanent record of collective intelligence. every cyberlink, every token movement, every state change persists as an irreversible fact.
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