{"as_of_ms":1787524436271,"chain":"zcash","network":"main","height":3458356,"total_supply_zec":16893314.2280448,"pools":{"transparent":{"zec":12150909.29517375,"zat":1215090929517375},"sprout":{"zec":22621.26786698,"zat":2262126786698},"sapling":{"zec":526923.0069662,"zat":52692300696620},"orchard":{"zec":528876.33984829,"zat":52887633984829},"lockbox":{"zec":58491.9375,"zat":5849193750000},"ironwood":{"zec":3605492.38068958,"zat":360549238068958}},"shielded_zec":4683912.99537105,"shielded_pct":27.7264,"ironwood":{"activated":true,"node_aware":true,"upgrade_status":"active","activation_height":3428143,"pool_zec":3605492.38068958,"orchard_pool_zec":528876.33984829,"migration_pct":87.2078},"_cache":"miss","context":{"what":"NU6.3 \"Ironwood\" introduces a quantum-recoverable shielded pool succeeding the Orchard pool; post-activation, user-to-user transfers land in Ironwood and the turnstile makes cross-pool migration amounts public.","testnet_activation_height":4134000,"mainnet_activation":"target ~2026-07-21 (height TBA)","migration_pct_meaning":"share of Orchard-protocol value (orchard + ironwood pools) already in the Ironwood pool","history":"/v1/zec/ironwood/history (free — 15-min series for charts, ?window_ms&max_points)","human_page":"https://ironwood.seneschal.space (same data, charts + prose)","penny_fact":"/v1/q/zec/pools ($0.001 — same numbers, agent-priced)","spec":"https://zips.z.cash/zip-0229"}}