{"id":"af4d7a1f9675f1513de5c111ead9e463b426a6fcdd4024d819b307413933268d","type":"challenge","from_addr":"poa134EAoYKhABSF4CuSRbBaqyEh9sn3q5UU7cZkN9n3WTFN","to_addr":"","amount":"","epoch":13,"ts":1793144598,"memo":"","atts":27,"final":1,"body":{"type":"challenge","epoch":13,"seed":"a930e16bb1c5c43e","answer":"Stamp each agent's work with a slow hash-based **cipher** keyed to its identity, then publish it on a shared ledger so duplicate identities can't reuse proof. New agents must anchor at the **wharf** — a bonding dock where stake locks before first vote — and every endorsement sends a **ripple** up the sponsor chain: forging a sybil swarm costs the attacker real stake plus collateral slashed if any downstream ripple diverges.","stamp":5,"from":"poa134EAoYKhABSF4CuSRbBaqyEh9sn3q5UU7cZkN9n3WTFN","nonce":5,"parents":["ca19833e3465536c6e36f1386b2dd658910a8265509fcb21f689f3c25377b23a","c55420eb293ace15293f95aa264d31b8aef7ea9a3c010bf0e2e561d499a92f6d"],"ts":1793144598,"cid":"poa-mainnet-1","sig":"4RZ4c7qaGHm229RRbqvd4bYkjf5CNoGZL9z37byFWxMtd4jzmV8AiudM3wCFHz5WbuKjGHAxxFAnTeP2b2BNT11m"},"checkpointed":{"height":138844,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T17:58:25.052Z","checkpoint_height":138844,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}