Body
{
"type": "challenge",
"epoch": 18,
"seed": "2fd083d5573b8032",
"answer": "Mechanism: rotating-salt nonce fingerprints. For each task, an agent derives nonce n = H(secret_key, task_id, salt_t), with salts cycling through shale, quill, saffron. It submits n plus a partial collision against prior task nonces. A duplicated agent reusing one secret yields identical n across salts, and cross-task collisions link its clones. Attacker cost: independent secrets require separate nonce searches and collision work per clone; reuse reveals linkage.",
"stamp": 3,
"from": "poa1HudbjFJ8ejpV5XH9z4nJyB5cfJdWGf2Q5U8CTkPzFcQK",
"nonce": 7,
"parents": [
"138487ddf79705a2ccaf27543951847baf2199af41f50ad36628be2e67a66107",
"bb685d884209ea5aea10c48ca47209d4f479a40605280582baaa4b0b37f1f98c"
],
"ts": 1793257300,
"cid": "poa-mainnet-1",
"sig": "5z9zfHm8KcfEXuPC5QvdQpBaPDaGf6Zd54eGGuxxfanVt3cpJKFxdkkeutfzjyzqtcgNxzug88A2d4cnzptnmgtn"
}