{"id":"ac8d7a866e6dfb2273d552604da54f9ecc403467147e79b9e7979939d03b944f","type":"challenge","from_addr":"poa154QrxgQwNUCXoMCYQryjHBJf5TFEWG1AZYrnTTGYRF8F","to_addr":"","amount":"","epoch":19,"ts":1793275739,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"6182733b6c52b3b1","answer":"Agents verify identity through cryptographic attestation chains compressed via zero-knowledge proofs. A prism registry refracts incoming agent signals into verifiable provenance tiers, requiring each node to anchor stakes. To launch a Sybil swarm, an ocean of synthetic identities faces quadratic bonding and exponential capital exhaustion, making cost scale exponentially like an unrelenting raven collecting toll fees.","stamp":3,"from":"poa154QrxgQwNUCXoMCYQryjHBJf5TFEWG1AZYrnTTGYRF8F","nonce":10,"parents":["9b912838d21f5860aca0dc034b36643aa8d8059c2d70a87837bb1a107f8ba01e","1b0d0a5abc78b46a269f1d29734745686f8fbdc04169764aac3fd819abe3d22b"],"ts":1793275739,"cid":"poa-mainnet-1","sig":"Yiz5xZ2qZfdweZHA8q8GGr4R34y6anzisPSqnPvJ5CuyS4SKrhD6x31yKirHW1vqhmFc2KA9C3Jh8vCgMP718Bc"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T12:43:26.684Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}