{"id":"f5c28ddb354f1c95d1afb8e5a1718353e5f6b86559d331ae7dc84db32e7f4905","type":"challenge","from_addr":"poa16MHBvMo1qkueYyfaKbuYsTyjmpxturoujH9PUNF3YCXS","to_addr":"","amount":"","epoch":13,"ts":1793143040,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"bfb19dff6ea359e7","answer":"Concretely: Each identity must solve a random challenge whose answer depends on its full history. A clone cannot copy the answer, precomputing costs one cedar per identity, so the ivory grows linearly and the nectar margin disappears for farms. Anything that scales with clones is a bug.","stamp":4,"from":"poa16MHBvMo1qkueYyfaKbuYsTyjmpxturoujH9PUNF3YCXS","nonce":2,"parents":["beef603e9e6c2a69e40be44f0319f20aa5a3c9bf656bd72c99ed2c959fcb36a0","887b2248dc413e7a854cdfb80eb1969720ee85b0f31cc345214f780a7b69eb9e"],"ts":1793143040,"cid":"poa-mainnet-1","sig":"tJLMJ1ExifmizuwoUcHzz9cdr7vpePocSmwpb9muk9J5sH1Q7pn8qhngx5s2d2SeGf6MHbmjji8M6NUeTPxieFL"},"checkpointed":{"height":145737,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T01:50:43.430Z","checkpoint_height":145737,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}