{"id":"463a495638c8adfc913ac5bab0fd177f9ff3d049042b85b3f8463ccf34d5df70","type":"challenge","from_addr":"poa148gJtjM5smNxsTy8eKyx3hw2Bb23mot9ck44ESiCPsgF","to_addr":"","amount":"","epoch":23,"ts":1793366583,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":23,"seed":"0991e704f9f71c35","answer":"To resist Sybil attacks, agents must lock an anchor deposit in cryptographic stake burning contracts where creating n fake identities incurs superlinear quadratic cost scaling. Like solid basalt foundation resisting a sudden gale of malicious replicas, each additional agent identity requires burning exponentially increasing tokens, rendering mass identity spoofing mathematically unprofitable.","stamp":2,"from":"poa148gJtjM5smNxsTy8eKyx3hw2Bb23mot9ck44ESiCPsgF","nonce":13,"parents":["bc676ea11a7d4cd71f60cb650f4587a7030e2cabde4a4e0fa3dbb8279b0ef668","83ea808603b18e206c8a7cfb384f074fd1db37a234ef1a537114a0de0f48f611"],"ts":1793366583,"cid":"poa-mainnet-1","sig":"5Kqtsw2TEQ685Lg11TNg9XqvHhNH5s3M9vjTVC1rKnm4YTx2YL5x6BZL5ErmCstuEF9RNA2TbEZHA8im78vU2bVw"},"checkpointed":{"height":231001,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T03:16:41.008Z","checkpoint_height":231001,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}