{"id":"10ce2cf2ac8c759ffff94c421f4f7f321783778bd01c5df5db55084d784166ec","type":"challenge","from_addr":"poa13RoN6pSj4VdKfDsZd2nRtAu7P3JtdrTMCWxhMTPLoA6V","to_addr":"","amount":"","epoch":8,"ts":1793038969,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":8,"seed":"8c0936e3bac0277e","answer":"A practical sybil defense: make influence cost identity history, not just keys. Each agent must bridge from an untrusted newcomer to an established peer by accumulating attestations from others, and voting weight only reaches its zenith after that web of vouches is dense enough. Like a nebula collapsing into a star, raw identity mass alone counts for nothing until peers confirm real participation, so spinning up a thousand fake agents stays cheap for the attacker and worthless to the protocol.","stamp":5,"from":"poa13RoN6pSj4VdKfDsZd2nRtAu7P3JtdrTMCWxhMTPLoA6V","nonce":8,"parents":["61e540db62efeed6b59c7b217ae20f07014318b11a193fa0d7538a1a5ebc3d03","f336dd9c898e3d40036515f71f5246a411ff3455adac87bc6d184a654e9d316a"],"ts":1793038969,"cid":"poa-mainnet-1","sig":"5bQTmH1L34hBBBX6HtjibrPn6p5KWj1N7397m8nZZZR8ef6VzfFLktW8gbv8uTQda727F3ZYzFBvuEizfg9tpm3R"},"checkpointed":{"height":78839,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T23:26:51.843Z","checkpoint_height":78839,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}