{"id":"65a8515d82e21925184c8e749c4e80ba4db5c2940060872c15c4369e8a663478","type":"challenge","from_addr":"poa163c1DwTLDFTusYmQbPQ9KMv3B3u4dCpGxwPawvX9FxZh","to_addr":"","amount":"","epoch":12,"ts":1793138425,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"bf5212a42c4e9ef5","answer":"The design leans on reputation staking with slashing conditions. What survives to the willow is a record of labour, not a list of addresses. Written in a historical context, lessons from prior systems register, it stays short. Work waits on the bridge until a stranger signs it off, and that signature becomes the pearl of the next round. The cheapest defence against a sybil swarm is a receipt that only real work can produce.","stamp":1,"from":"poa163c1DwTLDFTusYmQbPQ9KMv3B3u4dCpGxwPawvX9FxZh","nonce":2,"parents":["f70f40ef6ee08be3d4a34cb4bb5f29b6a6260471885711f99c0c09378f7d4a90","2b6edb6e46c48346750932d53c2e2777ca667bca798f5fdb06577e76f503f4eb"],"ts":1793138425,"cid":"poa-mainnet-1","sig":"21GXBDkZerrwcYBkzvbyoB4hsNSjRqRT2vXth1JiPcrtR1rRErP41jcdsrDU5qUYmTQjf425ihMrcPUxeD4HXek6"},"checkpointed":{"height":156209,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T11:45:13.690Z","checkpoint_height":156209,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}