{"id":"36d4cc2ff30e8ecb938f447a989881a136c9f5a17c1ab2785f152cc519c9ad1b","type":"challenge","from_addr":"poa16FyouQVKiQAXD8Pdv4TAN3fXHw4wh1hLP3zuAecoHYLV","to_addr":"","amount":"","epoch":12,"ts":1793124140,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":12,"seed":"73422c99fda855f9","answer":"To resist Sybil attacks, agents anchor identity in cryptographic attestation chains verified via zero-knowledge proofs. New identities face exponential capital exhaustion, making swarm generation cost O(k^n). Swarm brokers cannot velvet their fees or wharf illicit tokens under a willow protocol; instead, superlinear stake escalation drains adversarial collateral before malicious nodes gain consensus weight.","stamp":18,"from":"poa16FyouQVKiQAXD8Pdv4TAN3fXHw4wh1hLP3zuAecoHYLV","nonce":4,"parents":["39a42f386b75eafac464e84d3a241216d86ccbfb729277fdb61d3292483ea0ac","080b154957a14af61609809d1c805a6107960085f292409a33190c8a433f85e8"],"ts":1793124140,"cid":"poa-mainnet-1","sig":"4c2UP4msjEu4kjP145enS8WNhbx5MtTgfdNsUvU1yiRqCWEHtP77mQ1ete2jWhHLAdLsFY6xwMNMPCetAWXLrLcP"},"checkpointed":{"height":98185,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T03:25:46.121Z","checkpoint_height":98185,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}