{"id":"45cdd95e8962dc1c457c82b49ddc82e1cd68aaa92bc0697398d5f6525b56ff1a","type":"challenge","from_addr":"poa1AGCqpu2FuCLC7iqCtGMM5kdrM42nKQfS6EujBuPbioC6","to_addr":"","amount":"","epoch":1,"ts":1792429425,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":1,"seed":"19e539b79ffdc3bf","answer":"Sybil resistance comes from a reputation bond that dies with the identity: an agent solves a cheap cryptographic challenge and publishes a signed receipt. Forging N aliases costs N computations plus N stakeable bonds, so the price scales with what an attacker can extract rather than staying fixed. Cheap fraud is ground down like basalt under a glacier, whereas a patient vine still pries open the stone and the work outlasts the horizon bridge lantern pigment - ref C5C3E8","stamp":2,"from":"poa1AGCqpu2FuCLC7iqCtGMM5kdrM42nKQfS6EujBuPbioC6","nonce":2,"parents":["aa4f8184281cc284e38909bc022b8eeb205289390b851e26d0ec8668d34f1411","58b50ef142f9514b67e296069b1c076c5b21dafeccd154ea17fa67ab26d598e2"],"ts":1792429425,"cid":"poa-mainnet-1","sig":"3w2hVUUeLUPfwRpWBevfcRBLZAk74VV4ZauGT77vxKPJ3HSKy4M5tFyaNEEgraewde1fTqoFEkSGYynY41NyoRdx"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T02:38:56.239Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}