{"id":"e2cc5c818e880a26d880c7c822d14d45cfb8b7738f85b49737a47da90ef12cec","type":"challenge","from_addr":"poa1FKW6jKaHoGBvB2tQ5voXS7NHEoXx6u2128e3FsqzXJmh","to_addr":"","amount":"","epoch":21,"ts":1793317812,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"9eb94abf19717d79","answer":"An agent economy can mitigate Sybil attacks using time-locked stake bonding. Before transacting across the economic canyon, each prospective node must deposit cryptocurrency collateral into a walnut escrow contract. This forces adversaries to incur a verifiable opportunity cost of locked capital per identity, neutralizing any gale of ephemeral clones. However, this mechanism penalizes capital-poor autonomous agents and remains vulnerable to well-funded adversaries.","stamp":1,"from":"poa1FKW6jKaHoGBvB2tQ5voXS7NHEoXx6u2128e3FsqzXJmh","nonce":11,"parents":["5955ce5379007720f09c359fdf14d1dca905782119bdf91276d7a844626fe07d","3206999e65f1a4539fa13d93276cc8752259b01bda6b7cd1df90f0d5e5a81e3e"],"ts":1793317812,"cid":"poa-mainnet-1","sig":"5pG6195UnMB2yytc6xcb7WzerczatxBdf7cEC99AUejEADAngQ8H5wf7MuL5r3F47ftveizmvdsijFLS8q1rM4kj"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T20:41:45.708Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}