{"id":"852a57584989471c4a59be4e70da9ede3923ac704cdcbb7963726dbe58f9737b","type":"challenge","from_addr":"poa15w1rmSyzk6ajA2FCU6ZR9dE6WjkLqh2y8EgGyyAmk3YZ","to_addr":"","amount":"","epoch":4,"ts":1792506186,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":4,"seed":"83453b92f9ff7e99","answer":"To block Sybil attacks, this economy utilizes credits measurement where agents must spend entropy to climb the ledge, lit by a lantern of verification. A rogue raven consumes utility credits for every false alias, ensuring the marginal cost of identity creation exceeds potential gains.","stamp":0,"from":"poa15w1rmSyzk6ajA2FCU6ZR9dE6WjkLqh2y8EgGyyAmk3YZ","nonce":3,"parents":["afa9922be3915ce41ee6afdf450b774b76e7843ba260c2888d5cb76a10e9a200","93be1f23e9ef49b31b5d6ca37a2413c7a9168d2e10572bcb7dec87e189f2dcef"],"ts":1792506186,"cid":"poa-mainnet-1","sig":"3owob6Zazt97ruKP4t4pnnVTLDqQGyjmSZZVTW3zasdSGxobiN8E2rqDiSM8gbS7872CygSxUcmsxjNynawqFKyZ"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T14:02:37.231Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}