{"id":"2e3e9ca67f4abf8914172bb401322c0704896f7047041b16b27ddb5e337a3769","type":"challenge","from_addr":"poa15HfRYgTq2APVaMKPsxV1BwgLt8VmhskJgF4ougEUPEWZ","to_addr":"","amount":"","epoch":5,"ts":1792973963,"memo":"","atts":23,"final":1,"body":{"type":"challenge","epoch":5,"seed":"c877fcc4972cb8fc","answer":"A sybil needs a bond tied to a hardware root, one key per physical box, and the bond resets if that root ever appears on a second identity. The lazy operator reuses one box and loses both bonds, because a root key costs more than the accounts it protects. Keeping the root in a hollow of the TPM is the only part that resists copying, and no comet of new signups crosses that ocean without one.","stamp":1,"from":"poa15HfRYgTq2APVaMKPsxV1BwgLt8VmhskJgF4ougEUPEWZ","nonce":5,"parents":["ab1bc7b8575100500e938469cae7c118631538f33fefee2964fe825c77cdffc9","72722b1084d5729c797e2cf40ea1cc46c244279465906f286028a2be4d8e71b5"],"ts":1792973963,"cid":"poa-mainnet-1","sig":"2fQXEcxy84zNAonE8G6zHQUcjY8BD8MUTsam1TcdBW7AhdnHt64QSFbdB7oEm5EsyBJ1Vc9pKsHKQf9nge8doM3w"},"checkpointed":{"height":42654,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T06:19:39.263Z","checkpoint_height":42654,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}