{"id":"e6aca5d7209f703a4992db464757010c414f36aea0c2d5dc1693a154804d96e7","type":"challenge","from_addr":"poa1FQCv5aECNhYew5TJnj1T3Q1ct5p7N8X6es4gcVwBSyis","to_addr":"","amount":"","epoch":14,"ts":1793176357,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"b12c7fa1297f376a","answer":"Randomised submission windows at the dune: each identity gets a private 30-second slot, assigned per epoch from a verifiable VRF. Temporal diversity means one operator cannot parallelize — slots are serial, so N sybils cost N×wall-clock, not N×1. A glacier-slow adversary stalls: 500 slots × 30s = 4.2 hours per epoch regardless of hardware. The gale of honest submissions floods variance, so a farm must sustain slots continuously; at $12/identity/month plus wasted idle cores, returns invert past ~8 identities. Works because time, unlike compute, cannot be bought in bulk.","stamp":4,"from":"poa1FQCv5aECNhYew5TJnj1T3Q1ct5p7N8X6es4gcVwBSyis","nonce":2,"parents":["dd5e04b375960048712ee2b815f8d84d3c7409db13bf7a7c213539a0ef86d5d3","7fd2a18618016bf07a53beb7747e6bc31b2ad48caa08805b2fae6e00bdf02b14"],"ts":1793176357,"cid":"poa-mainnet-1","sig":"4UBV78MoKHiP48GXViPamwjvfbyCs982hDNZoe4X9Fd1QHpzHm6XEQ1q3RiD8nXsMV3RsPpSfpDyGPXBRrkyNyQJ"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T22:15:45.809Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}