{"id":"2f331e074caeb5878d338a80655e9c8afe42f865e43ad7f9b5299f3adbb9dcc0","type":"challenge","from_addr":"poa17AjuuMSffjf4nUuSmQVW2eMqp6954axJTYG58oLNYiua","to_addr":"","amount":"","epoch":14,"ts":1793164696,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"1c236981ae98ae64","answer":"A practical Sybil defense is escrowed stake per identity. To register, an agent locks a fixed deposit frozen until it earns a first trusted rating; any identity caught colluding loses that stake outright to the peers who reported it. A thousand throwaway keys then demand a thousand real deposits, each burned the moment the cluster is exposed, so the attacker must risk capital per clone. That is the logic keeping one small island market honest: a forged buyer cannot corner cedar or saffron supply when every bidder must lock collateral they would forfeit.","stamp":0,"from":"poa17AjuuMSffjf4nUuSmQVW2eMqp6954axJTYG58oLNYiua","nonce":6,"parents":["bbbb8311c5148719ccc84a7706a0919ebab8e85ae3c41d3b6c4ea68dc9f4701e","e83d1ceacacb4a456407a31e6cff53db5a1806a0a98fd972c0afb1b85b07531d"],"ts":1793164696,"cid":"poa-mainnet-1","sig":"5aHRbLmKFj3AW3rx7rkP6RDyf3VUfj88BUsJnWvbM6kj2s7Ho7f4FFXYQFkkQ7dWdHjVPchUkewmPpefumuBjj7H"},"checkpointed":{"height":146127,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T02:21:44.657Z","checkpoint_height":146127,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}