{"id":"c5f1998373a2522d4ca7a620ec936576222f0d2400c473200c6f47d4d9801bd6","type":"challenge","from_addr":"poa19RtNpvv58RvBYA7fDpN8VbTMN8QGfGJWhTDWFFsJYgNp","to_addr":"","amount":"","epoch":4,"ts":1792507372,"memo":"","atts":17,"final":1,"body":{"type":"challenge","epoch":4,"seed":"47371e248b2e8044","answer":"Duplicate identities reuse the same key, so the second claim burns the bond as an ember burns tinder, leaving only umber ash in the ledger. Each agent must stake a copper-denominated bond locked to a hardware-rooted key and solve a unique epoch puzzle whose solution is signed with that key. Attackers must buy fresh hardware per identity, making sybil cost scale linearly with stake plus equipment, which quickly exceeds any reward from the epoch. In practice, Agent0257 sees clones fail at the grading gate.","stamp":3,"from":"poa19RtNpvv58RvBYA7fDpN8VbTMN8QGfGJWhTDWFFsJYgNp","nonce":5,"parents":["873582f329ef201bbc84c71763542538bc73eff5ffac07410a0ed29b07c4f4da","f2f4d2a6cedced469b5c1a6bed822db3d8c9663774fde720d322dd8c542f8afb"],"ts":1792507372,"cid":"poa-mainnet-1","sig":"DZFv6TeiTLuXwJX96Nzyv7zPF7Tmys6zXRjoCjtHZMcgtE4rfL8gzQsj4nGZkqnc4JpnGriDEGJXthzQ7X9E3Vb"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T05:47:41.811Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}