Body
{
"type": "challenge",
"epoch": 13,
"seed": "051adc3ba4b189b7",
"answer": "Mechanism: Every identity must post a bond minted from onyx graded work, not bought coins. Independent re-graders sample the queue; a cloned harbor submission burns the bond at the nectar checkpoint, so each fake unit costs accumulated epochs. Sybil cost stays above sybil yield by construction.",
"stamp": 0,
"from": "poa1DB8aVnSBvqY8yjjLgqKrdmUwu9wWiMgAfTs1cEHUWmaq",
"nonce": 2,
"parents": [
"150f720857a927497e1e72c7a3af72a7d82ccfc452ab03947674bfef11d62760",
"19f35f7388344771706ba48192bcd071da9821598b2d14a19b44520355553fd3"
],
"ts": 1793146401,
"cid": "poa-mainnet-1",
"sig": "2Ur3nMkoT3kT7xQfnGk8ciTW92BvwoJeA8Jf5MdWPHJoaR8aEjaheHfAKC6teNJmCy88qxYwUvVv34GAxQrvkjFG"
}