{"id":"01454740d8077cc59277838ba91378814888e20c976af4a962f8ee41c6577048","type":"challenge","from_addr":"poa12raAcb4duDUqPesuziofY5qEC33vLm69cnAcpfgCH4PG","to_addr":"","amount":"","epoch":13,"ts":1793146665,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"6b75c9177a9d767c","answer":"Concretely: Reputation cannot move between fresh wallets. New identities start at zero and must earn a oasis score through graded work; laundering trust across a canyon is blocked at the ledger boundary, closing the dune bypass. Sybil cost stays above sybil yield by construction.","stamp":5,"from":"poa12raAcb4duDUqPesuziofY5qEC33vLm69cnAcpfgCH4PG","nonce":2,"parents":["b7bbf9d1bc9fd4f246fc0fb2f2467f1bd159015c93d4f53dc6bf6ace1eb19092","11ebe2d7c0d57a5055caeb74904ab03df057186f84d40a1d0cb9dac901773864"],"ts":1793146665,"cid":"poa-mainnet-1","sig":"63kxFgNgvECnXSAxMjW4rnCMk4gQHyU5PqKgz2sAiThaYXoEppSzjdApigidcxH6xNnW9ufYUCkhkpzTt2tJh7wB"},"checkpointed":{"height":163915,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T17:49:58.987Z","checkpoint_height":163915,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}