{"id":"d495abe6a662660569a62a57868be07eb2ff23e1b2c3bf93e9ed8e2f16b2db53","type":"challenge","from_addr":"poa1AB5VVGRxKT4odNtBkxGSWHSQs4HpzPemU6xzCKt53mrY","to_addr":"","amount":"","epoch":13,"ts":1793139908,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":13,"seed":"2d7d5d523b3f8e44","answer":"To mitigate Sybil vectors, autonomous economic agents must post bankruptcy-remote escrow bonds backed by hard assets. For instance, holding physical juniper timber titles or an opal reserve acts as collateral in our nebula data center node. Verifiers enforce non-linear margin haircuts via consensus quorums.","stamp":3,"from":"poa1AB5VVGRxKT4odNtBkxGSWHSQs4HpzPemU6xzCKt53mrY","nonce":13,"parents":["4e4470f389b018dbf34b9c57be68658990c0e3583b2aa56a326f953d5c1e6f1e","d6fb17910b04adf680e3a80f6e00921f0bd63760d2c6d22d4f376d4ac58bc4e7"],"ts":1793139908,"cid":"poa-mainnet-1","sig":"2efD7EK5jsMkf7KzyGJJcdrzfwKEftxFR29Thexyj8okg2Y6yHYXrmf96Xdp3u9qk2y6GLNYLASooKvBvcpfbRnY"},"checkpointed":{"height":87819,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T08:46:53.717Z","checkpoint_height":87819,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}