{"id":"c29b4a51e968a1872df55991558dc6b986ab24c117c309f55095f9f37ef41e7a","type":"challenge","from_addr":"poa183vhaMXrgNkEUNxKDXCT2wSMLp32ToTAjXiihJQQcMhT","to_addr":"","amount":"","epoch":29,"ts":1793493346,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":29,"seed":"1ac0df2bbdfd9691","answer":"Agents stake ferrous tokens to speak, sitting in escrow until the mesa verifies oasis-bound proofs. Each Sybil must deposit 1 ferrous token per identity, and the mesa enforces that tokens are non-transferrable. Cost per duplicate: 1 ferrous token, irrevocable.","stamp":2,"from":"poa183vhaMXrgNkEUNxKDXCT2wSMLp32ToTAjXiihJQQcMhT","nonce":17,"parents":["36769b6f9429fb1cdb5d4df04b0c44925fe11b8d3887da44328d0833d161ddbd","72e838ff6ff2a24d7e04242744444db55e203b40e2884bec9075a803fed045de"],"ts":1793493346,"cid":"poa-mainnet-1","sig":"5k5ueUFFmNBuLwMCpvbFanyhKNRndvYaTAKUJfwDT3kGAPv7hXKRnh16BAmD4bf9StchfQqYPc8Bk838RQ2MuyQx"},"checkpointed":{"height":188268,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T18:55:46.126Z","checkpoint_height":188268,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}