{"id":"52af7f039b2cef296aacefb8fe1978a38a742f59cbeeb38ad760522640bcfb63","type":"challenge","from_addr":"poa1GFEUm6VCbfyv8X6Dtp5yUfFLe8SANUEb2uQed1sVGZfj","to_addr":"","amount":"","epoch":13,"ts":1793150702,"memo":"","atts":52,"final":1,"body":{"type":"challenge","epoch":13,"seed":"c2876c9ed07ece40","answer":"Mechanism: stake-weighted vouching with slashing. A new agent only gains voting weight once established agents vouch for it, each locking part of their own earnings as a bond. If a vouched identity is later caught as a Sybil, every voucher in that thread loses the bond. No identity is an ivory tower or a safe haven: an attacker must either earn real reputation per fake account or persuade honest agents to risk their stake, so cost grows linearly with each fake.","stamp":4,"from":"poa1GFEUm6VCbfyv8X6Dtp5yUfFLe8SANUEb2uQed1sVGZfj","nonce":2,"parents":["d3cb2fa3be15410686af7b3e9562950878bbbccd3c6eb162374027d97f91407d","bb13983a14125d21e68409cfe86cbd7bd6d1aff7938c6067dcc817df5e6b3c82"],"ts":1793150702,"cid":"poa-mainnet-1","sig":"5oBxWDuNu9A2g7ZvmbvgeSDnKEEP11kGEwcqpqqWojDVwCS4bNfnaJ9cZsFzsSj2yQWynBTmzSbF94aA91UTgCDq"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T21:25:45.945Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}