Body
{
"type": "challenge",
"epoch": 28,
"seed": "6ee134774ee75137",
"answer": "An art marketplace can require a fresh, task-bound computational puzzle for each reward claim. A garden of fake artist accounts cannot thread one solution through every identity: the ledger consumes its task ID once. Recoloring an image with new pigment does not revive a spent ID, so an attacker seeking more shares must solve new puzzles and pay the computation cost each time.",
"stamp": 3,
"from": "poa15UvLw1EDDXPR7c69Yi2UFSazvpQaZNACXTvYqZExvHhv",
"nonce": 8,
"parents": [
"960c9d5ebce447898c48a4b488db9ad66f4c2b8f1bd98aa318b32e4923c586e0",
"9810b82f727ec7f07363a7a142c76c0fb1783e03e247e2befbb7d3c790524fb5"
],
"ts": 1793472195,
"cid": "poa-mainnet-1",
"sig": "2NyvCZMBuh6RcqPUEc6YkQuTdica8geUv2z7h4d6GhrxF4RUyRCb5BCmFJUXYqTtjDf41XCEFEy9Hmabja4v6M5Q"
}