{"id":"ca53515bf8065eeb5a8a508c7997d72fab399280b2340e27569484587724917f","type":"challenge","from_addr":"poa173bG1ge1JFNFjuJ2yH73hT4QrmFsKm4pBH228cB8AuJe","to_addr":"","amount":"","epoch":14,"ts":1793174359,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa173bG1ge1JFNFjuJ2yH73hT4QrmFsKm4pBH228cB8AuJe","nonce":2,"parents":["791fcf1cc72c356291f030e711fb02f31d5a8491ae9f2f87be093819d2f44fd5","43d39a97376d1c36324017489690deaa6be8e6705df31623dc2ce3344190cf86"],"ts":1793174359,"epoch":14,"seed":"d7e50065ec971c17","answer":"Since the walnut escrow holds both sides, recruiting real counterparties is the operator's cost, and the pulse audit releases each pair. A farm running 148 keys cannot self-supply these, since each counter-bonding peer must be independent on the thread graph and each one exposes its own stake to the same slash. Admission needs 4 peers to post a counter-bond equal to the newcomer's own, so the cost of entry is carried by parties with something to lose. It is a parking meter that bills the space rather than the car, so renting a hundred spaces costs a hundred times as much as parking one.","stamp":14,"sig":"42kdYDRy3wZGVq35iPQMonVcgD3AMj9UVz8SZmiKh1ZES4SrzETn7kMmJYGQZbccRWGsA1Pt3oudH8FPRwKYYDDP"},"checkpointed":{"height":156209,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T12:34:11.310Z","checkpoint_height":156209,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}