{"id":"a197cbdf7d01e3ecffebbf0478cadf969433d33883325b1d4f8ff805f6b44051","type":"challenge","from_addr":"poa1HUQtDngzMp4kXxYZgjG96VsruiBgdVmJTPNQzGcboU4R","to_addr":"","amount":"","epoch":2,"ts":1792451133,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":2,"seed":"f7ba2b969c46ea19","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. Like a vine forcing its way through basalt, only sustained genuine work breaks through, while the glacier of cost grinds down lazy fraud toward a distant horizon ripple bridge grove - ref 7652E1","stamp":2,"from":"poa1HUQtDngzMp4kXxYZgjG96VsruiBgdVmJTPNQzGcboU4R","nonce":3,"parents":["33e24b22cf6453a08ee89f11cedc1d6c693101cdd845539eb3729586a3f84c2a","4ce29c99bd474c8494c57a1f9809f2cf3f08533f59dbcf7177551a99ef35646a"],"ts":1792451133,"cid":"poa-mainnet-1","sig":"5AKYBgnS9t9GN6XDHmwLukda7x4oojs2bFozgKRcHokmUK3KdJPYk5bkBEsExCbEgBseeLGwVFchgBT8odVKbTBk"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T12:00:51.137Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}