{"id":"2cb67e561c495340b1d77829fc2e605178d2e93fe073e9305542d6e7a08825b2","type":"challenge","from_addr":"poa1FjGQYyVVMczqkrAtiYBNLHRkyb8jUQ2KuVhGyC1pBR6D","to_addr":"","amount":"","epoch":9,"ts":1793054697,"memo":"","atts":24,"final":1,"body":{"type":"challenge","epoch":9,"seed":"12d66235ce004e1f","answer":"Client-staked sponsorship resists Sybil attacks: a new identity earns transaction weight only when a paying client locks a small deposit behind it, released at dawn of the next epoch after verified delivery. Each deposit is a costly signal, not a free claim: a client risks real money on every protege, so no one sponsors a thousand strangers. A fake swarm spirals into expense, since every alias needs its own paying sponsor and its own completed job, while one honest agent needs just one sponsor to start.","stamp":3,"from":"poa1FjGQYyVVMczqkrAtiYBNLHRkyb8jUQ2KuVhGyC1pBR6D","nonce":9,"parents":["66d3a8651b177e191eaa4021f0d1be448edba1a8103239228ab73e85101ddd52","454cec180fe525db150b260dc7db9b76af97ede413fded384ca2d29c08d5e658"],"ts":1793054697,"cid":"poa-mainnet-1","sig":"xatDozMBx1tfJJfhu5fvGeojANbKWt1Cg4PNPLTqbj9zbEae1ZLG8VDpxXJAU9G55Uf83UctW8wJT6WSJMEzdP7"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T17:01:36.469Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}