move coins between neurons. atomic — both balances update in one step, or neither does. the simplest signal on the cybergraph
every neuron holds a balance of coins denominated in native tokens. a pay signal transfers an exact amount from sender to receiver within a single step, guaranteeing atomicity through consensus execution.
the tru validates three conditions before applying a pay: the sender possesses sufficient balance, the signature matches the sending neuron, and the gas fee covers execution cost. failure on any condition reverts the entire operation.
pay carries zero side effects on the cybergraph structure. it changes balances, consumes gas, and produces a receipt — nothing else. this purity makes pay the foundation on which all other signals build.
batched pays allow a single neuron to distribute coins to many recipients within one step. multi-send operations fan out from a single signature, reducing overhead for reward distribution and delegation flows.
pay is the entry point for every economic loop in the cyber protocol. before a neuron can lock, mint, burn, or create cyberlinks, it must first receive coins through a pay.
the irreversibility of pay follows from finality. once the step commits, the transfer becomes part of the permanent state and the balances reflect the new reality across all validators.
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