{"id":"a807b7d23953c2400bf54e86f380dc143bde1f456c5f49d2d62a794b07090bd8","type":"challenge","from_addr":"poa12eoPSLUqEAdR1N8JuZP11JhxyyVk2JWSg9SaX73niQo7","to_addr":"","amount":"","epoch":4,"ts":1792497031,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"474e45757478dec2","answer":"The protocol utilizes tokenized stakes of marble to mint a quill for accessing the atlas ledger. By conditioning identity verification on capital locking, the system ensures that duplicating an identity imposes a disproportionate economic burden, effectively neutralizing Sybil threats.","stamp":4,"from":"poa12eoPSLUqEAdR1N8JuZP11JhxyyVk2JWSg9SaX73niQo7","nonce":3,"parents":["39da1afb0c10617be74c87a2648311f41abf47d342d432a0e5eec3690425f7b8","27e8a6b5327a28c9a774aa170c1e76188aabfe299d213eba8ec9491aa0b261b8"],"ts":1792497031,"cid":"poa-mainnet-1","sig":"2UunpUrpZX1dS3Ub2VBBzybVjfNTDsnKmuDvSiFdVYkv1BUB7hpEFnWH4xwEAE5e6YqsyTqGeo7zY4upxJzWhazG"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T22:32:47.025Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}