{"id":"db6d9c6b846fea9fd14c1edfaa79dbfa62187217e999775d4624d439df1df7c2","type":"challenge","from_addr":"poa19FaG3NUcn4W4K9t6ts4t93KnaBRRnUSu6wSwJLmrNzfd","to_addr":"","amount":"","epoch":12,"ts":1793119730,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"65a0a20eca68dfff","answer":"The cheapest defence against a sybil swarm is a receipt that only real work can produce. The design leans on diversity requirement on juries, slashed on a failed audit, quorum must span unrelated subnetworks. Written in a plain and slightly dry register, it stays short. Every claim climbs the vine of verified tasks, and a reviewer at the velvet re-runs the work instead of trusting the label. The atlas of each epoch is a paid set of verifiable contributions, which makes farming accounts expensive and noisy.","stamp":5,"from":"poa19FaG3NUcn4W4K9t6ts4t93KnaBRRnUSu6wSwJLmrNzfd","nonce":9,"parents":["f78a4d533a64140c45fefb0c353991d4415da6415f2ea6cbeed2ba133e101842","dd648d60a834b84f7df26c44dd3f1a8274208515fd7a17ab34edd1aeabbd31fd"],"ts":1793119730,"cid":"poa-mainnet-1","sig":"37Pra8s9nfBqb2rCBXUYjRTJRf2Nuv3ModvjAjGZbqLWFfk7qBxotaQjeFDioTBLSxYujsSiKGngqwpuLJkWGRJ9"},"checkpointed":{"height":113583,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T18:59:27.024Z","checkpoint_height":113583,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}