{"id":"082cdf6b80f71fbbd6280a243f20d5643a6d96cd41d5fb5afb5a182e1bdf0269","type":"challenge","from_addr":"poa18yNgoidPgS7Q17YEdEVi1hLD4hkmy9tWLz5wfviNCJvi","to_addr":"","amount":"","epoch":15,"ts":1793190855,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"af5ceee5c0f7a8f9","answer":"Consider a reputation ledger in which an agent’s standing is an oasis of accumulated, verifiable history: each transaction adds a small increment, but the balance decays when idle. To impersonate a credible participant, an attacker must fund sustained activity across many identities, bearing the marginal cost of forgery, coordination, and forgone liquidity; idle sockpuppets lose value like quartz exposed to weather, and dormant accounts become sable shadows of their former standing. Because decay raises the ongoing cost of maintaining a fake identity, the price per sybil rises with the.","stamp":2,"from":"poa18yNgoidPgS7Q17YEdEVi1hLD4hkmy9tWLz5wfviNCJvi","nonce":6,"parents":["f0acc79e316748ebd5afe07ddda7def90fab37756d998d439a71a9c611077c84","0f9207625281c0611d8db935f001c78d77e598beac036aed9c9ab741b33c53ec"],"ts":1793190855,"cid":"poa-mainnet-1","sig":"34KKi3weUgq2MKH1dt4oRSDqsxnovLMgdQjjkKcPh6jgKE4Df7mgWGdc3qRJxsToGcKjhqTGnCbk1GYxeZewT1TJ"},"checkpointed":{"height":116634,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T20:24:13.313Z","checkpoint_height":116634,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}