On-chain cost-basis architecture: full capitulation vs flow-confirmed bottom on-chain holder-cost ledger buyers underwater MVRV margin capitulation register Bottoming zone MVRV Z 0.24 near zero Z 0.24 above zero STH/LTH 0.84 vs 1.29 Confirmation gate Z crosses below zero STH/LTH converge ETF + stablecoin flows reclaim 200-day MA ETF + stablecoin capital formation Branch A time machine confirmed entry validated Branch B invalidate · cheaper break floor + LTH deep-cycle path break June-30 low + realized floor LTH selling · flows negative Bottoming zone — valuation near floor Z 0.24 (above zero) · STH/LTH gap open · flows tentative — no branch set 200-day MA ~69.9K STH basis ~67.5K spot ~63.5K June-30 low ~58.5K invalidation line realized floor ~54K valuation floor mining cost base not the binding gate