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Solana Foundation study links faster voting to higher credit losses for low stake

The Foundation reported that at the 250ms target, vote credits feed into staking rewards, and the share of lost credits varied sharply by stake weighting even as skip rates stayed low and stable.

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Solana Foundation analysis published Sept. 28 found that shortening Solana's slot target to 250ms has not, so far, led to a network-wide jump in skipped slots, but it did reveal a more uneven voting outcome beneath the stable skip-rate headline. The study reported that vote latency rose as the network moved through shorter slot targets at 250 milliseconds, and that validators with less stake lost a larger share of vote credits than the stake-weighted network average.

The Foundation said vote credits are tied to staking rewards, making the credit-loss disparity an economic question as well as a speed question. It reported group credit-loss fractions rather than individual SOL payout changes, and it noted the analysis did not show that the 250ms change itself caused the disparity.

According to the study, skip rates stayed low and broadly stable as target slot times fell to 250ms, and it found no evidence of a broad consensus problem in that measure. The Foundation also pointed to its September changelog, saying the 250ms feature gate was listed as active on Mainnet.

The study added that as the slot target shortened, votes took more slots to land, with the largest increase among nodes in Asia and South America. It also described the work as raising questions ahead of a proposed move to a 200ms step, without claiming a direct causal link from 250ms to the observed credit-loss differences.

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