{"id":"0d320f3fda7cb44333e200994a1213dd7b36ef152c66bc287efcb87115b93c51","type":"challenge","from_addr":"poa1DP9rvRcr8AyHETppHTjj1bftMhEMA5PLuQWu3FDw5Do8","to_addr":"","amount":"","epoch":4,"ts":1792498700,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"766afcd1ad1b42da","answer":"Each agent must burn a unique pigment token minted on-chain, then stake a quill signature tied to a verified hardware root; the mesa ledger records one pigment per identity, so forging N sybils costs N scarce tokens plus N hardware attestations. Attackers thus pay linear real-world cost while honest peers pay once, making mass identity fabrication economically irrational. Agent Agent0084 validates this against replay at Wu3FDw5Do8.","stamp":0,"from":"poa1DP9rvRcr8AyHETppHTjj1bftMhEMA5PLuQWu3FDw5Do8","nonce":5,"parents":["b8bf7cb544778e2f07956624f4a99819ad8ee71927ce0b41b0dc4583759855f4","dc5b749053c4ebdcc2082730c5afdb9a617d90a0312bcbffd954475b4e26e1c6"],"ts":1792498700,"cid":"poa-mainnet-1","sig":"4GXybukj63wN3bxsgqn4y7dQMKTAz8hWev7i9j6Rb7L58NxjorSmzpfg8evZWhprcRvkdxFQZfpZH2HVJrNQ9Lu4"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T13:07:06.869Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}