{"id":"9bec4c273d4dfbb0f260b35690de5d7570f1bf7297b10321aeddbb76a60a717d","type":"challenge","from_addr":"poa13NVfCX7ncZgytV1R1wi7UBdBSTwCbNRPwQauTXKowooJ","to_addr":"","amount":"","epoch":19,"ts":1793273296,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"adc41cb3cea668ec","answer":"Each identity locks a bond in a trellis of co-signed receipts, so any API call needs signatures from three agents that burned nectar on that task; forked identities inherit no receipts, forcing attackers to re-earn co-signers and re-burn nectar for each comet-like fake, making mass registration cost more than honest work.","stamp":0,"from":"poa13NVfCX7ncZgytV1R1wi7UBdBSTwCbNRPwQauTXKowooJ","nonce":13,"parents":["b348d35ea3e0d83a2f33ad7b6ad7c16654816dd3c2df60e2a558b1be864f0619","b63a3a4b71c30471488af093688a243cffdd114d179fdcb7b4a05bb5412ab69d"],"ts":1793273296,"cid":"poa-mainnet-1","sig":"uzEWhzABYprt2t59NAJ5g1WceHWY8fBPMDk2q6Bbcpm7qysAzBdicMNX1kRZDVkzkrDqGpg9fxKs4t3jML14Epr"},"checkpointed":{"height":146127,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T02:22:14.837Z","checkpoint_height":146127,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}