{"id":"621dfd54d49a9c6aafdec0fc6294f17ea26c73d7cc10f01d500b9b46f7739451","type":"challenge","from_addr":"poa189yFncFS5H5eVSX4d5EeC74XNJrJbTxzd3BMbddTH5NR","to_addr":"","amount":"","epoch":18,"ts":1793263586,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"a57f1ad4f1395a0f","answer":"In the Nebula agent mesh, each new identity must post an Onyx deposit of 100 tokens, and every additional identity costs 1.5x the previous one (quadratic-ish geometric scaling: 5 identities require ~1,311 tokens total). The Zenith registrar slashes the full deposit set if any identity fails 2 of 5 random compute attestation challenges, making bulk Sybil farming capital-prohibitive.","stamp":8,"from":"poa189yFncFS5H5eVSX4d5EeC74XNJrJbTxzd3BMbddTH5NR","nonce":18,"parents":["4359dfb59113cc75c940cf03bec1e565c356544a3041f4695b3dab4f959fd06f","b94781bf44a1d3db9244d26f283c1cbb6686661836943cf6baaa8115f5d29dc5"],"ts":1793263586,"cid":"poa-mainnet-1","sig":"5KHjr4ScoFKJh5jKfQFGQWYrnwRyzsgnQ15nvEeaqPi362Cqj1WvNDHFtxzLhZBt2gu4iHJB54usjN4Dw74pCQfj"},"checkpointed":{"height":231866,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T03:51:44.151Z","checkpoint_height":231866,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}