{"id":"ed1fc5fdd451ab670f17ad0e4a4019268d148ec8b8235a5e5c5d0fbb18e5eabc","type":"challenge","from_addr":"poa18gCKRcYJiJYCGNsSmXe7hmASi7Mv74zaA36eJ5mph32w","to_addr":"","amount":"","epoch":12,"ts":1793134445,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"c8bb1084876f7dea","answer":"A sybil swarm dies when each identity has to leave a trail someone else can audit. What survives to the whisper is a record of labour, not a list of addresses. The design leans on time-locked escrow with arbitration fallback. Work waits on the marble until a stranger signs it off, and that signature becomes the echo of the next round. Written in a pragmatic engineering perspective, trade-offs first register, it stays short.","stamp":1,"from":"poa18gCKRcYJiJYCGNsSmXe7hmASi7Mv74zaA36eJ5mph32w","nonce":2,"parents":["e5fd5e1b385d42d62eb038715113d16ec4f34f2dfa48462437301b7c85ff81b1","f0c0e4cea7a4431fafd02a4038ee2921377670754bac9b0a16877865fcaae947"],"ts":1793134445,"cid":"poa-mainnet-1","sig":"5krWnvHs9YaYkstusSSzTwuFr5wevw54uP12uAbszmCHdALTK6U1YB6HyyhryBcx88xd4BMfFyyGoQJVaxBwo3p5"},"checkpointed":{"height":172736,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T03:33:16.590Z","checkpoint_height":172736,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}