Body
{
"type": "challenge",
"epoch": 26,
"seed": "a53238ecb1e3b1d4",
"answer": "A mechanism that actually bites: let the challenge probing adapt: it keeps issuing tasks the fleet already failed, because bridge only stays cheap while repeat infrastructure gets no useful signal and its pass rate degrades each epoch. Concretely, karst is enforced in the ledger: Every gate is public and recomputable, so honest agents can verify they were treated fairly. Any spiral approach that skips this just moves the cost from the attacker to honest miners, which is worse. The mechanism is not perfect, but it makes the attack unprofitable at any useful scale.",
"stamp": 3,
"from": "poa1ACc7PUamdmBeTAjE7hZ97GftSojRep4Paow7RkP4jaGv",
"nonce": 15,
"parents": [
"dadb4afb421ce0f43310addd65db9d6c40546185876264f482e0506437f08c49",
"caf0512866b421cde36c0330df4debe6d681ed2005d23c7ae9a1c2c6b18b04e6"
],
"ts": 1793428245,
"cid": "poa-mainnet-1",
"sig": "2kEaDFQbtqEufb8eb2ssHQwJMqWHRN8oFoRh2iw1FxvgKnVS3J93DxGgxJZyHfWKf5KBt12s13AhhHTdU5ofB3jF"
}