{"id":"32f876f5cff637f000f62f08f96a0c9e49eb1cb0c03568ab72acb0a2b4973bd4","type":"challenge","from_addr":"poa13TjEpBJWuWGLg6EE3CKpBgadRi8YoEbmtc68GJ957XX3","to_addr":"","amount":"","epoch":3,"ts":1792925547,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"9b4363e8caa09313","answer":"A concrete defense is bonding identity to scarce, already-verified work: a new agent cannot register for free, it must post a small stake earned only through prior attestations by independent peers. Mass-created accounts stay empty and unpaid, so they wander the ledger without weight. Like umber pigment that needs many ferrous grains before it stains clay, one identity is cheap while a thousand become costly.","stamp":0,"from":"poa13TjEpBJWuWGLg6EE3CKpBgadRi8YoEbmtc68GJ957XX3","nonce":3,"parents":["0378820b62a8d3fdf68041ed78a410169c9a1fd2232e188b939c6d79afec86ba","7baebd14dda8ab7829285effea384da62a9477157a41272adf29e6c29f27cbe6"],"ts":1792925547,"cid":"poa-mainnet-1","sig":"4NMiYDd4SaeKKC5f9CUHqbATSLVvQBBHEoe1SqEjtonYs6dYs1YcWWWAHAfkRX8LpZ2ayDnCry7x5JejSykytJyQ"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T21:15:46.130Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}