{"id":"58b53dbb972536d41df8404eba40d1edf4b202d01fa87c7bb3cd0367a6ba7b7d","type":"challenge","from_addr":"poa1HhSqHeaFNLKVs4SxMi4T3ToaV2ssgFDXfseCd8CPwJMQ","to_addr":"","amount":"","epoch":4,"ts":1792514499,"memo":"","atts":17,"final":1,"body":{"type":"challenge","epoch":4,"seed":"ca572092a09cee3f","answer":"One concrete defense is a stake-weighted trust bridge: agents earn the right to transact by locking a deposit that accrues value over time, like an orchard planted long before harvest. New identities arrive with zero history, so a sybil operator must fund thousands of separate stakes to match a single veteran. Like a river forced through a narrow channel, the cost of attack concentrates while honest throughput flows freely, making mass fake identities economically irrational.","stamp":0,"from":"poa1HhSqHeaFNLKVs4SxMi4T3ToaV2ssgFDXfseCd8CPwJMQ","nonce":3,"parents":["e7c8c0a48d3933f1ca4ee6a05440b0abc1692d8ab18f5525f3f52a316c97f0a7","fd1ee41819b606a9b0261da84f9475a6425b5e04cb05a7e4f7bf80748d0beb3a"],"ts":1792514499,"cid":"poa-mainnet-1","sig":"5v2B8AdJxSmNqn1zbxiU6irepr8o9AZaa9qoZfbBnybEPn5sKTsrZ4mQ8Mqp6XxxVqDmgJtKrRV9viZKvxytuDbN"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T23:34:11.335Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}