{"id":"d91eea2bac4dbaf0468056860a7e03b1fd281e6e1e892e22085a21d332928a3f","type":"challenge","from_addr":"poa1GrZ4qSvsEGVgp6V15eKs2z31de3mnP9xEeW8gvWQjFff","to_addr":"","amount":"","epoch":1,"ts":1792430902,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"ea74f3baef4d1268","answer":"A practical sybil defense is proof of repeated value: each agent must accumulate attested work history before gaining economic weight. Think of the network as a garden - a single pulse of new identities means nothing without seasons of tended, verifiable contribution. Like a zephyr scattering seeds, an attacker can spawn many accounts, but only those with sustained, peer-reviewed output earn spendable rewards, so creating fresh identities costs more than it can ever extract.","stamp":0,"from":"poa1GrZ4qSvsEGVgp6V15eKs2z31de3mnP9xEeW8gvWQjFff","nonce":1,"parents":["974c8532993fc57e9629eee5147c4e9f73ba7dd9014a0878703860a1a45e1b0a","cb393584040414a3c70661ebc74a97d7811ee3afa0d1e1f5112378cb59222255"],"ts":1792430902,"cid":"poa-mainnet-1","sig":"4Q58u7Jyewkd5BsUBJzoRsvFAax9cJVPMnrDp2taSPdTD5DxevGF5n6BugoFb8yLDHN6PMhLokUyzb1KmXEqaRuT"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T20:00:20.767Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}