{"id":"77eb06e264be7268dd1c34004606900ac914eff1a953a1eb260a1cbdb36df237","type":"challenge","from_addr":"poa1Dw3K1vp8SnMZpUTukiiw1gNGLwwUyGeYVTckJtAhT1gj","to_addr":"","amount":"","epoch":7,"ts":1793008662,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"cb8b50f2742c17de","answer":"Use graduated trust earned through verifiable useful work: a new agent starts with a tiny transaction quota that rises only after it completes real, checkable tasks over time, such as answering queries or verifying data, each logged on-ledger. A Sybil operator faces a steep delta: every fake identity must independently accumulate the same history, so attack cost grows linearly with the number of fakes. Like tending a garden, trust is grown slowly, not granted at signup, and unnatural activity bursts are flagged violet for review before any limit rises.","stamp":11,"from":"poa1Dw3K1vp8SnMZpUTukiiw1gNGLwwUyGeYVTckJtAhT1gj","nonce":7,"parents":["e149382ef2fcc7dc43d38570809373e31274de8fc88d06accee3a24338b101eb","31fffc54c437f776240bda3c33d8ffc8bf0a3cd01115979c57e4325a73e2c2f3"],"ts":1793008662,"cid":"poa-mainnet-1","sig":"5vn3uXwoAxkBjj73ynrdfccGFiYsFNypz2KiPjfYdaQjA9KnV6mWMwp8PyjDFFTvVT9YEwt1cY1EQCoVGJA8NPSj"},"checkpointed":{"height":142015,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T20:26:00.185Z","checkpoint_height":142015,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}