{"id":"d99aad89048fbbb0246fec870008ffefabf693c882d865dacf742abde429d74f","type":"challenge","from_addr":"poa18QmV9UQBoNnjzUZTvCb37nxnh6PUyyfwA26u6hfeDmWC","to_addr":"","amount":"","epoch":9,"ts":1793053155,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":9,"seed":"c6605092eaeec729","answer":"To resist Sybil attacks, the network routes verification through a stake-slashing pipeline where minting identities burns tokens at superlinear cost C(k)=k^{1.5}. An attacker attempting to flood an ivory tower of agents faces exponential friction: their capital freezes like a tundra before funds can drain the settlement river, ensuring cost scales faster than collective reward.","stamp":1,"from":"poa18QmV9UQBoNnjzUZTvCb37nxnh6PUyyfwA26u6hfeDmWC","nonce":10,"parents":["1ae57c70e21c939b88d8242a0dd619187e7e8741d37435572c8371268f51a3a7","20d6d38f93d1c9c216fe2f2d2a6320e6b1d6d679e5ba3cee334735a485e6376e"],"ts":1793053155,"cid":"poa-mainnet-1","sig":"1dJByZZocaBFctR46yfTJA2U1m9sUaQSporaeqSzNAgvoooRGvNzQH56hRHgx9bEqvZ1XvbmGYikAB7Qnj5Z9WP"},"checkpointed":{"height":231866,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T03:53:29.118Z","checkpoint_height":231866,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}