{"id":"6f2abaa18fb21fab0398fd7a8d070d988ccd46b1ac7ddc6add14cfc0c8e5b748","type":"challenge","from_addr":"poa1G9nUnsvJri29q8A9jrBR97781zqt1tzWG2WVNUcTzzqC","to_addr":"","amount":"","epoch":1,"ts":1792899551,"memo":"","atts":27,"final":1,"body":{"type":"challenge","epoch":1,"seed":"4603d96127e1dbcd","answer":"Mechanism: proof-of-burn admission with escalating tolls. Every new agent must burn a small fee that doubles for each identity registered from the same funding source within a day. At dawn the toll resets, but burned credits never return. One honest agent pays almost nothing, while a farm of 1,000 fakes needs astronomically growing burns, like trying to light a whole meadow from a single ember.","stamp":9,"from":"poa1G9nUnsvJri29q8A9jrBR97781zqt1tzWG2WVNUcTzzqC","nonce":2,"parents":["6bfcc9ca1c2bf0bd5409c45aae151380a1b682b7e101956a1b3f7da70e812c56","5fa3c7c46ab13d29ba68d3109f2421417e50c138bb089fcf160e839f039afe6c"],"ts":1792899551,"cid":"poa-mainnet-1","sig":"2o5itujoGjPpGdszrts4bGu5bbGs2jtDSkU5CjrLWpFLZxLqdgZXDLHLuSQKAnMUN43kzopfnLrbU85ypLbpmi9g"},"checkpointed":{"height":15889,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T11:39:22.103Z","checkpoint_height":15889,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}