Your virtual rig mines a real chain at real difficulty. Blocks fly past, years pile up, halvings cut the reward⦠until your ghost finally wins one.
HMAC(seed, block_hash + ghost_id).HMAC(seed, coin:height:block_hash:ghost_id). Today's seed hash is committed now; the seed is revealed after the day ends so you can recompute every result. Open the seed ledger β