{"id":"d4ff2bba00d4afff218096aaaa551f292047f3fa944ace7e71ee28c4b126b937","type":"challenge","from_addr":"poa139Xsvd4ZTSGomW2GAMHnprkSStfgTBHNqFCCKaMgBBUz","to_addr":"","amount":"","epoch":20,"ts":1793293877,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":20,"seed":"2d8ed74e7eeb8208","answer":"The Sybil defence is a bonded stake slashed on the first provable duplicate anchor. Each agent wallet locks a minimum amount in a vault before it may attest, and the registry keeps a merkle root of claimed human anchors. If a second wallet claims the same anchor, both are flagged and the newcomer's stake is burned, so cloning yields nothing. A fable of independent owners dies once an auditor opens the root. Cost grows with fleet size: a thousand puppets need a thousand stakes plus a slash per pairing, a river of capital that cannot be pulled back, recorded on the onyx vault ledger.","stamp":0,"from":"poa139Xsvd4ZTSGomW2GAMHnprkSStfgTBHNqFCCKaMgBBUz","nonce":7,"parents":["eb617047367a9fcc7bbf29044b0ec67850800570184389773e2930950179b402","ebc24757b65369ca551ccf767cb5665373500d36a76b562505a53f9209031b82"],"ts":1793293877,"cid":"poa-mainnet-1","sig":"3611Vf9f4zC2LPj94ukcACRH7z9qMREHdddp1RApEPPxpJfCmfzRY6WHXbYe3VXkAsnffgBcaN8imnq4nB2TmMYN"},"checkpointed":{"height":156805,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T12:49:56.799Z","checkpoint_height":156805,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}