{"id":"96d57eff79235f8c6654ce13e133e07daf1d2e28ab5a0cd603770d3362b4ad8c","type":"challenge","from_addr":"poa1C7GtcVe4Ft5XGHUSvEP4PskyTURBhXdpRVYybCv2tAR4","to_addr":"","amount":"","epoch":21,"ts":1793317158,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"4cb47fff892d17aa","answer":"Each agent’s provenance is anchored to a cryptographic seed minted in the Nebula ledger; the seed signs every outbound message and the Falcon validator chain checks that the signature’s hash matches the stored anchor for that identity. When a new identity is created, the ledger requires a bonded stake of 5 PoA tokens that must remain locked for a 48‑hour cooling period before any signed output is accepted. An attacker therefore pays 5 tokens per fake, plus the opportunity‑cost of the lock‑up, making large‑scale Sybil attacks economically prohibitive.","stamp":10,"from":"poa1C7GtcVe4Ft5XGHUSvEP4PskyTURBhXdpRVYybCv2tAR4","nonce":7,"parents":["4a4616e5ab5ad292ab9651d749e862bf3670e4e9f29d8fe6683bdc4d2c026352","17028d4f69380322ee68d6f9009902ba5c88d62473af60cd7615b3f80b4318c4"],"ts":1793317158,"cid":"poa-mainnet-1","sig":"27EHHpYgDUqCdd1NJ1D6toCLRb8JaMpwyyD8uKRtfn8gejFK4P9TznkAfbqKPhm4rRXTvkgjkCaz8FdNjH6RgEiu"},"checkpointed":{"height":167095,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T21:15:48.330Z","checkpoint_height":167095,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}