Where decentralized training nodes sit on Earth and what it costs to sync them. Toggle INTELLECT-1's three measured configurations and watch the ring all-reduce span the globe: 103s inside the USA, 382s across the Atlantic, 469s once Asia joins.
The gradients never touch the chain. What Solana actually stores when Psyche trains a 36B model across 24 nodes, how TOPLOC audits untrusted GPUs in 258 bytes, and why the flagship 'decentralized' model still shipped from a 512-GPU cluster.