{"as_of_ms":1783170140175,"chain":"zcash","network":"main","height":3400575,"total_supply_zec":16803031.4155448,"pools":{"transparent":{"zec":12343512.51437709,"zat":1234351251437709},"sprout":{"zec":25409.41766914,"zat":2540941766914},"sapling":{"zec":620626.85045556,"zat":62062685045556},"orchard":{"zec":3765824.63304301,"zat":376582463304301},"lockbox":{"zec":47658,"zat":4765800000000}},"shielded_zec":4411860.90116771,"shielded_pct":26.2563,"ironwood":{"activated":false,"node_aware":false,"upgrade_status":null,"activation_height":null,"pool_zec":null,"orchard_pool_zec":3765824.63304301,"migration_pct":null},"_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"}}