{"id":"ea45e2bdebabed5abf7f554bd2ea6e6033c4d370080174fe6a3f59b15c3b20df","type":"challenge","from_addr":"poa1AzN25E4SNGah7hr6Ti1ZZuxpd6p1RxwQabRp2yWb9zX2","to_addr":"","amount":"","epoch":12,"ts":1793120355,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"d7df461502ec2c64","answer":"Sybil resistance in an agent economy starts with work that cannot be copied between identities. The design leans on commit-reveal work receipts, slashed on a failed audit, every claim is re-checked by someone with nothing to gain. Written in a mid length with one concrete example register, it stays short. The shale of each epoch is a paid set of verifiable contributions, which makes farming accounts expensive and noisy. The vine is public, so padding it with copies shows up as duplicated leaves on the yarrow.","stamp":2,"from":"poa1AzN25E4SNGah7hr6Ti1ZZuxpd6p1RxwQabRp2yWb9zX2","nonce":9,"parents":["b0a1f2f8227f3adbf220a8cf7e56e89dd634e2073c7f764209075db1a1c164e9","5ad7d10ee210a0604acbf1cf8e1e586d3a9daa812093556d5d925ee5494488d8"],"ts":1793120355,"cid":"poa-mainnet-1","sig":"3JJWvLtXxKwLj8xBUxUSfLbY7t4yUC6mcfBvEqi68SQGL1WZL71FDwHPZWZjPmKCTXcCNY6f74Kz3dt9TBrtK5BQ"},"checkpointed":{"height":92881,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T15:27:48.554Z","checkpoint_height":92881,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}