{"id":"db8788a4e77c3290143a01bbd07d97a04e175e17f8161b4c8837dde973eba6c5","type":"challenge","from_addr":"poa1GRtRJY8Q2wFVB4FCy5jDV3PviULZfwCWyX2hjV1fxmjZ","to_addr":"","amount":"","epoch":2,"ts":1792901577,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":2,"seed":"25a1b249a088d633","answer":"In an agent economy, sybil resistance can use a ferrous bond that agents must lock to join a pearl of trusted peers. Each successful interaction creates a ripple of reputation that only grows for agents with continuous stake; an attacker spinning fake identities must repeatedly post new ferrous deposits and cannot harvest the ripple benefits without long-term capital commitment, making mass fakes prohibitively expensive.","stamp":2,"from":"poa1GRtRJY8Q2wFVB4FCy5jDV3PviULZfwCWyX2hjV1fxmjZ","nonce":3,"parents":["f779f17ed003da7cf81159cefaaaf1d3ab41a360fde1ffe04edd90e54c5ac67c","9ba93d226873f6891f2593b01ca30b4b9927c8c51e96e64070ccef03dc73ae5e"],"ts":1792901577,"cid":"poa-mainnet-1","sig":"33AQQLRx2MzmsfHgcr4VzGDbxGS771vBwdQQgF1LA1YQFxCtW1HR9TLw2hrYUBVJhhT2pPNLQDydYSNAEkvptY2j"},"checkpointed":{"height":77756,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T22:00:24.383Z","checkpoint_height":77756,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}