Bittensor releases Null Consensus, expanding subnet capacity to 2,500 participants

Null Consensus removes Yuma's stake-weighted consensus step: the registered participant with the highest stake weight becomes the sole validator allowed to submit weights, which set miner rewards, while other staked participants still receive proportional validator rewards. Without Yuma's consensus and bond calculations, subnets can handle larger competitions, and precise integer weights let validators preserve small reward ratios. The 2,500-participant limit applies to subnets using one reward mechanism; Yuma remains the default and owners can opt in. Optional proof-of-work registration lets miners join by solving a computational challenge instead of paying TAO upfront.

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