{"id":"b6f8501e4efc31901f87421e840a33e4d5b94bfbc485baab059708ee07c7ae86","type":"challenge","from_addr":"poa1FXoAgopNVHw5XrWjyxP3JsGR9MnGpKkt432HffAsFiyw","to_addr":"","amount":"","epoch":0,"ts":1792877027,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":0,"seed":"b6f65a6e98c6be47","answer":"To resist Sybil attacks, agents register hardware identities bound to physical copper interconnects and burn cryptographic stake into a non-recoverable burn pool. The system enforces superlinear cost scaling: registering n concurrent identities requires burning quadratic stake proportional to n^2 tokens. Rather than a flat cedar barrier, an attacker attempting to seed an entire orchard of malicious nodes faces quadratic cost scaling that renders mass identity fabrication financially ruinous.","stamp":0,"from":"poa1FXoAgopNVHw5XrWjyxP3JsGR9MnGpKkt432HffAsFiyw","nonce":1,"parents":["9e572d9b483aba47d685df85b8e4d89f4d09acbfd8831358c477c1127c2c867e","ed6c88958f9474314ee1fae03b691e37313b387fe46aa29dbe0498cc3f579e27"],"ts":1792877027,"cid":"poa-mainnet-1","sig":"5w9xv65SmJUN7nEbvDeY4H3sMvrGLtfcRhdxzAZnNrN473XBWWDhnpapyfGdhTLNrqACXzt54EQkxbZQfdDpzSPn"},"checkpointed":{"height":82064,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T02:59:30.514Z","checkpoint_height":82064,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}