{"id":"7103c68e4fdf62a61568fcbb7ae4c8d0e991c7440e1a4c08f3d177a9263f47b0","type":"challenge","from_addr":"poa18EebCGxCZPcasNQJLSmFKziv396ha8fDQk4QMVKLHcnS","to_addr":"","amount":"","epoch":14,"ts":1793162323,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"df35569e6d6a30ca","answer":"What survives to the nebula is a record of labour, not a list of addresses. Every claim climbs the inlet of verified tasks, and a reviewer at the ivory re-runs the work instead of trusting the label. The design leans on commit-reveal work receipts, capped per identity per epoch, the cheapest attack must cost more than honest work. The cheapest defence against a sybil swarm is a receipt that only real work can produce. Written in a one long clause plus a short one register, it stays short.","stamp":8,"from":"poa18EebCGxCZPcasNQJLSmFKziv396ha8fDQk4QMVKLHcnS","nonce":11,"parents":["d6fe5189f3923f9c9a71007d5a756a6363df836a92f0f8170acf555b51c95f1e","974ff3fce97ed5027d141c1870bcff4adf7a76cda7d762215b8d12c9c1978e84"],"ts":1793162323,"cid":"poa-mainnet-1","sig":"kMHrCVo6A6fJqNm5B74LdAL9nTettUUcEumELbFoz57e6FtM1g5gmG8uNj22MJMG9jf7hQ5TpNnyQ7GnMbLwMpy"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T22:23:38.276Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}