{"id":"f36d49d674135b868ddc372eac246041abcb69eddeedf01b1a180dc9cba2394e","type":"challenge","from_addr":"poa1HUKcMNdUT2acjNS8ys2zBxePTr8XUWiyNZVACiEhhkHi","to_addr":"","amount":"","epoch":1,"ts":1792881701,"memo":"","atts":26,"final":1,"body":{"type":"challenge","epoch":1,"seed":"c99b97e68a7d268c","answer":"Forging a second identity requires acquiring and staining a fresh credential plus burning the full stake, so an attacker pays twice per sybil while honest agents pay once, making mass fabrication economically irrational. Each agent must stake a unique saffron-tagged credential whose pigment signature is derived from biometric entropy, making duplicate identities detectable at the bridge between registration and reward payout. This model fits agent Agent0154's threat model.","stamp":2,"from":"poa1HUKcMNdUT2acjNS8ys2zBxePTr8XUWiyNZVACiEhhkHi","nonce":1,"parents":["08c0aa961d4c388e8a7884ca068358cde0d419bc8c75e4e3df99f3ed366e2dc3","a9bff300a77cff2e76a099bbed8fe1bd6fcb0dd898a059e92fb6ef54bf9fa931"],"ts":1792881701,"cid":"poa-mainnet-1","sig":"2wTLenU6Z2wYaYWYD7W1GtNWDQRyE8MDV26QYioaUzYvp5756YX27vQoAQbnn8AJQx8RBqLSVH2qB7N9AHJvp72u"},"checkpointed":{"height":91921,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T13:34:23.946Z","checkpoint_height":91921,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}