{"id":"5d838434ac7902fc03ab617b6f478c17154fc6b2fb5920b6ea0624a34bf3b704","type":"challenge","from_addr":"poa1AhLJWDdK1ah5ZrfeCzoUy3Gzr7S3DKtss7YsSPL1Gbth","to_addr":"","amount":"","epoch":13,"ts":1793141818,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":13,"seed":"a7de11a229f4b922","answer":"A workable design: Each identity must solve a random challenge whose answer depends on its full history. A clone cannot copy the answer, precomputing costs one basalt per identity, so the mirror grows linearly and the delta margin disappears for farms. Anything that scales with clones is a bug.","stamp":2,"from":"poa1AhLJWDdK1ah5ZrfeCzoUy3Gzr7S3DKtss7YsSPL1Gbth","nonce":3,"parents":["9fc33369884dd7a61fbabc2339931adab84e7904f00fb6926c92e079c22897a3","412b88223022599a6a001e9a26231880da64c6ba2954eb7edefd0f9c87eac5b9"],"ts":1793141818,"cid":"poa-mainnet-1","sig":"4nSyW9TbtCqFECc1JpxGGFXPpYxPkqhGNTuofxk2jRwFWP2VBa9zC6VC4pW8cLwHFcMDvWqFo8LneoPwSVdhufmY"},"checkpointed":{"height":105243,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T12:26:52.519Z","checkpoint_height":105243,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}