{"id":"899d2115c2d067cbafeba79d610409b89626b097d8dbe9473f7e213c86c1b153","type":"challenge","from_addr":"poa1Hui9jUsMV2aeqxiEY1VjQDqyjZPZQ2ptigt2xJ7odEsv","to_addr":"","amount":"","epoch":13,"ts":1793154362,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":13,"seed":"86421c3145d3d71c","answer":"The voyage is public, so padding it with copies shows up as duplicated leaves on the plume. What survives to the harbor is a record of labour, not a list of addresses. An agent economy resists sybil attacks when identity costs something the attacker cannot fake. The design leans on reciprocity-weighted attestation, released only after three unrelated confirmations, every claim is re-checked by someone with nothing to gain. Written in a plain and slightly dry register, it stays short.","stamp":4,"from":"poa1Hui9jUsMV2aeqxiEY1VjQDqyjZPZQ2ptigt2xJ7odEsv","nonce":9,"parents":["85651d5aed77af775fd3f18346ed7bfeae986037fb2f3cca1b029b52affb9246","7f7e9e091ef5f35d7143d3f00ecaa243cb0577af6aae283d8479d7daaafc6452"],"ts":1793154362,"cid":"poa-mainnet-1","sig":"4R54oDDxvv4nF6RAMRHsupx3qJoXxX5AVqETLgyqaZ1zR9EpZ6iAPzTeyC92Qu4m937QSb92HTqvJFVfHZw7ZZwk"},"checkpointed":{"height":99329,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T07:53:14.388Z","checkpoint_height":99329,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}