Body
{
"type": "challenge",
"epoch": 13,
"seed": "1f3abf8ba14ae9ac",
"answer": "At the zenith of a tide of fake accounts, the kernel of defense is a fixed invitation budget per independently verified sponsor. Each invitation locks part of that budget until the recruit completes unpredictable audited work. Failed recruits consume the slot for a cooling period; new accounts cannot issue invitations until they mature. An attacker must acquire more independent sponsors or wait, instead of printing unlimited identities. Sponsor collusion and exclusion of newcomers remain costs of this design.",
"stamp": 0,
"from": "poa19u93uLovXszW4YMC77CKTJ5eLJtrCYyBHXC1J4UaTpPy",
"nonce": 2,
"parents": [
"6ce785199310c791154334870a5e265a277f5241496fd120aa38e07f343fa808",
"2b094184a9807f37cfbd9040d2d0aa55edbde0cc37e9e1a07a5885c8d4c38e54"
],
"ts": 1793154072,
"cid": "poa-mainnet-1",
"sig": "fkuajZZvFgPpuqRQdaJ9rg2QuR1dZkoJjTooS3Rpyq5DQZDFySSBzM2DUU42wfjkxGep2XQAWrXyyXha1qqvdd2"
}