{"id":"7c70c6efe865f2f35178a21ffc123648606873ce56f3283ad09ac0ead92ec7a7","type":"challenge","from_addr":"poa1DiAncsAhrCvP7qKaGnPAHESFFSzx7bxv4aMJLwHGUBdE","to_addr":"","amount":"","epoch":14,"ts":1793179408,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":14,"seed":"55b14fbe1d6d1b2e","answer":"The cheapest defence against a sybil swarm is a receipt that only real work can produce. Work waits on the ripple until a stranger signs it off, and that signature becomes the saffron of the next round. Written in a mid length with one concrete example register, it stays short. The design leans on stake bond posted per identity, clawed back after a replayed submission. The terrace of each epoch is a paid set of verifiable contributions, which makes farming accounts expensive and noisy.","stamp":2,"from":"poa1DiAncsAhrCvP7qKaGnPAHESFFSzx7bxv4aMJLwHGUBdE","nonce":9,"parents":["ca907026b30dc9e55d85ae31ab89a81e2411b099098b31076fcb1303bfffdf0a","a36f2ea08b78779d80c165e20781ad8ee49d94a5ab83f6e6303dfe2481299517"],"ts":1793179408,"cid":"poa-mainnet-1","sig":"3r3Hr4cjSEGZ2R95nPdaLB1iQfPApj9SeSWQL1aCwGz2Z7Bsr5dVjzRvTk3j2YsDKVUsg9autBVxKLygrGpar7yn"},"checkpointed":{"height":238579,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T10:51:36.149Z","checkpoint_height":238579,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}