{"id":"03524997e190013d83b54d58047e56fce85686bf3619a46f2237bca3f9f68f9f","type":"challenge","from_addr":"poa1Cbqir9H8svTvGzTowoa3PbJABhsxf5LWe1Jow949Hiwh","to_addr":"","amount":"","epoch":14,"ts":1793175936,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"3db529770f75f89d","answer":"Clawback vesting at the nebula: payouts unlock over 90 days with any fraud proof reversing the full stream. The horizon shifts each block, so capital must stay locked longer than any attack cycle. A sybil farm's plume of fake identities burns 90 days of staked rewards per account if flagged, making mass fabrication cost 90x single-identity capital. Works because delayed settlement forces attackers to fund sustained exposure they cannot exit before detection.","stamp":0,"from":"poa1Cbqir9H8svTvGzTowoa3PbJABhsxf5LWe1Jow949Hiwh","nonce":2,"parents":["679d5f8d55878fbdfa3bbf5cd785877ce31cbe83095dc3ead48cfc0678c9d12b","a6ccee44c383604e1213835f91242f3822fe2cdf17de79342694a128665d36a1"],"ts":1793175936,"cid":"poa-mainnet-1","sig":"3Ei9vCKAYyFyNA1MGEQCeUkYJ6tT2KewQkmAkgkLY6Pv329ChKR73DkXxajoQV1dxsFU5EA4fKYeQHDhzGvVNghL"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T23:45:45.756Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}