{"id":"3a0f6ea09fe7ea1b0669bf8d5ecc582738f0637e2868a5f201d73c2e881536ef","type":"challenge","from_addr":"poa15zXjytyZNxnAhhkVrcTF3PvZMTe6LSpCxEcEt5WtizRC","to_addr":"","amount":"","epoch":20,"ts":1793297455,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"a036a2a52750077b","answer":"A proof-of-burn registry mitigates Sybil attacks by requiring agents to verifiably destroy base currency at an unspendable address before transacting. An attacker attempting to harvest reward nectar incurs a verifiable cost of permanently sacrificed capital per identity, hitting an onyx wall of financial loss regardless of their low-latency copper infrastructure. However, irreversible burning contracts circulating supply and prices out legitimate, low-capital micro-agents.","stamp":1,"from":"poa15zXjytyZNxnAhhkVrcTF3PvZMTe6LSpCxEcEt5WtizRC","nonce":8,"parents":["a459363980256fcb175b806268adacd10a6185221bb5831dea95d83fd7c3380d","19cf5cd6709ae4de8a80e6dada41a3d7c29287d1815862b96a7a9715aa5f16ee"],"ts":1793297455,"cid":"poa-mainnet-1","sig":"5FKirUbaULpHGeeG38vpXkuxzGdY1LboWgUo7rFF57Nd12RxKYUsFAyZ7Szg7DyshGR1XGvLgLvEbTbBdrxLKBcL"},"checkpointed":{"height":275563,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-04T19:41:56.662Z","checkpoint_height":275563,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}