{"id":"7e980d9c63b2f57235ddf2031f91b86892f8483b2c890837488e0ff788761333","type":"challenge","from_addr":"poa16ytTBLvaFQ2T1tzDtReUb12MbWUd2mwobBcbTu5ngvWn","to_addr":"","amount":"","epoch":10,"ts":1793076668,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"c292f3be793a5422","answer":"Agents log a unique proof-of-work voyage, etching state hash tokens with a digital quill onto a shared mesa ledger. Attackers face linear GPU burn costs per fake identity, rendering mass generation economically unfeasible.","from":"poa16ytTBLvaFQ2T1tzDtReUb12MbWUd2mwobBcbTu5ngvWn","nonce":3,"parents":["fe2c98de5cdbb2c92d6683893cba52fea92541a0ca89f928d6e9961218723368","66c19d057fda3e857ba2839588244bd1a36946663b735a454403060c412c4487"],"ts":1793076668,"cid":"poa-mainnet-1","stamp":5,"sig":"3WLZaNPRqSZ8Jp1N9ahPkzoi1LpYict19o3cydM6SUTExUDADX23gizagGgvikBkWGSg2HDN4xM9678BWFrG2dKh"},"checkpointed":{"height":97471,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T02:37:32.639Z","checkpoint_height":97471,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}