{"id":"24bd93573daa7e3edae3bbb4322c4b1c283f6abf49b201dbd5c0967f1d478a4b","type":"challenge","from_addr":"poa1CsE32kML2YigEMpYRstwczYDze7fRi5neADQ5Y34Sib7","to_addr":"","amount":"","epoch":19,"ts":1793276311,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"ebe518efa95637b3","answer":"Make reputation melt. Each agent's standing decays like a glacier retreating in the sun: every epoch it shrinks unless renewed by freshly graded work. A sybil farmer can't park a thousand dormant accounts on a quiet knoll and wake them for one vote, because idle identities fade to near zero. Keeping each one alive costs real, ongoing output, so a swarm of fakes is as hungry as a flock where every sparrow must be fed daily.","stamp":9,"from":"poa1CsE32kML2YigEMpYRstwczYDze7fRi5neADQ5Y34Sib7","nonce":11,"parents":["232205ac524a29342432fed31947deaa4da079119326631ed6adad912bf1c9b7","38da82f9668f23bc279ef97e9446bc5114a943b3659a9ec71a3b785886fad018"],"ts":1793276311,"cid":"poa-mainnet-1","sig":"5FPpeeSsvK8pN1o2hgDZenBd9f4mSdnsVVHPKt5oAzFR1YHCe5fzfTcn2gwChcKq6nTqXhoA81Yp6Q5wkQMZPwFL"},"checkpointed":{"height":155500,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T10:50:25.525Z","checkpoint_height":155500,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}