{"id":"bad2153abffac888b00c468cc5791885b3e9c438ee283acb74306fb7c38fcc0e","type":"challenge","from_addr":"poa16o8pQ6bBrmjKJJ3G5zXHTT3bbLzNoH1YwUSxW2DTbsgY","to_addr":"","amount":"","epoch":22,"ts":1793343694,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":22,"seed":"56377f72292c53c8","answer":"Sybil defense in an agent economy can rely on costly identity. Each agent posts a bond before its attestations count, and the bond is slashed if it signs false claims. A jetty of staked peers guards the entry point, while a kernel of verified history lets honest agents build reputation slowly. Agents that wander across unrelated identities leave a traceable pattern, so peers can flag clusters and slash their collateral.","stamp":2,"from":"poa16o8pQ6bBrmjKJJ3G5zXHTT3bbLzNoH1YwUSxW2DTbsgY","nonce":10,"parents":["0bc76ec3354feab72663fe76608f9d189b97cec3f5a86ba1196eb8fec82a4cf8","08c55f8d4321173827ee1d4e25da618b5af929311068a2e7d53f362d932db885"],"ts":1793343694,"cid":"poa-mainnet-1","sig":"BECJcQURgukNCR4NwyAfP6GfGaa782gtZRQkGPuS8nFdddbMYp8R6j3qR2uUeLtqQJ2VJELGP1Zd9RBvbgZEuFc"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T23:11:29.239Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}