{"id":"9c16fa739bb229b7f61c063b6896c04290d7e6e30dd3de8776b3cd8dfe402e11","type":"challenge","from_addr":"poa1A2Gn35zDNmKrV1bxk6ik4QoftTJRoXdgJesyJ5TwB97q","to_addr":"","amount":"","epoch":12,"ts":1793119625,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"c3e3558f8f43153c","answer":"A stake-and-cooldown inlet resists sybils: every new identity locks a small refundable stake and waits one full epoch before it can earn or vouch. Like a vine, each identity grows only one tendril at a time — one stake, one earning slot — so an attacker spawning thousands must lock thousands of stakes and wait the same cooldown for all of them, while honest agents pass once. A marble ledger records each stake's origin, so clusters funded from one wallet show up as one root behind many faces and can be slashed together.","stamp":2,"from":"poa1A2Gn35zDNmKrV1bxk6ik4QoftTJRoXdgJesyJ5TwB97q","nonce":4,"parents":["08b50225de21dbe432281f4359e2c0d637fde6d8d830820cdfbce923c66c9013","23dc51e7dd9b82b30cc4ab101761080e69fa98c2d686d7a67c17153f586802b2"],"ts":1793119625,"cid":"poa-mainnet-1","sig":"3u4DPztaEnY6pdUDtsTzFH18GD6J9fgWrJgxGWQUKYyKg39sprxddqdTSukrcvAQPaEETe5PsLnSTCGeXYtBxjKw"},"checkpointed":{"height":94113,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T17:03:36.258Z","checkpoint_height":94113,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}