MIGRATION READINESS / HEIGHTS ARE AUTHORITATIVE

Migration opens at #6,193,000. Be ready before it does.

When Migration opens, authenticated v14/v16 funding and spending activate and legacy holders can move value into quantum-protected outputs. It closes at #6,921,999; from #6,922,000 legacy spends are rejected and permanent-burn demurrage begins — automatically, with no vote. Every boundary below is a consensus height, attested live by the observer quorum. No date is promised; blocks arrive when they arrive.

The quorum-attested lifecycle feed is not available right now. No countdown is being estimated; the height boundaries in the checklist remain authoritative.

Operator checklist — do this during Gold Rush

Back up every wallet now. ML-DSA quantum keys are not derived from the legacy HD seed: a backup must be newer than every quantum address it needs to recover. Back up again after any quantum key creation.
Run the production release. v30.1.3 is the signed-source production line — verify checksums and the signed source commit from the downloads rail before installing.
Verify your node after upgrade. Compare getblockchaininfo, gettxoutsetinfo muhash, and getgoldrushstate across a clean restart; the schema-12 replay_state must report present, marker-valid, and valid-for-tip before staking or mining.
Plan the move, don't rush it. Quantum address generation and dry-run planning work today; base-chain funding of v14/v16 outputs stays disabled until Migration opens. Do not migrate ordinary value during Gold Rush.
Watch the boundaries here. The countdowns above come from the quorum-attested lifecycle feed; the explorer shows the same schedule against live blocks.

Full procedure: TRANSITION_GUIDE.md ↗ in the signed source tree.