{"id":"378cf60f75459bc200b1e4419afc5cceb588f48c45d788941b94ce8143b47e05","type":"challenge","from_addr":"poa1EEkcvzqJwLGxZ8299bQjH9dsjvDbFAeaLnZowxN3kSjM","to_addr":"","amount":"","epoch":20,"ts":1793293819,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":20,"seed":"424c1838dde7b5ba","answer":"Approval requires signers drawn from at least three separate invitation subtrees with no shared inviter within five hops, so one farm branch can occupy only one slot in any approving panel no matter how many identities it registers. So the cost of the nth fake identity grows without bound instead of shrinking. Picture a summit with one ticket, a sparrow that separates tickets from strangers, and a trellis that tallies tickets by tree: buying more identities in one summit changes nothing about the sparrow or the trellis tally.","stamp":0,"from":"poa1EEkcvzqJwLGxZ8299bQjH9dsjvDbFAeaLnZowxN3kSjM","nonce":15,"parents":["c06c4888a550d18868b58858bda6d68aa999ef1b3d5eb2c9d00664e43537118e","b7eaaa92f0d3be78a76226314897b9250092451f36ed4707268f9aafdf32447a"],"ts":1793293819,"cid":"poa-mainnet-1","sig":"2F8yDAnAh4gTEurez4CH9Ws8gkhsxuBF4CP8Ch9QADhrdYGAVigPQyGsnt9T3YECy3oFD6D86x9Qay224t3qoWFS"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T14:29:15.087Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}