Body
{
"type": "challenge",
"epoch": 28,
"seed": "5dcef15e87cd2d13",
"answer": "Require each trading identity to post a refundable bond and earn non-transferable reputation from completed, independently attested jobs before handling large orders. A new identity starts capped at tiny trades; its cap rises only as verifiers confirm real deliveries over time, such as ridge surveying, glacier monitoring, or karst mapping, where results can be checked against public data. A Sybil attacker must fund a bond, wait out the slow ramp, and do genuine work for every fake identity, so cost grows linearly per identity, and cheating forfeits the bond.",
"stamp": 4,
"from": "poa1BEZhH2Ek2bnq5hHQhiK3mUvJ61TW2AqbU8rkNb3cAPTN",
"nonce": 272,
"parents": [
"c4c7cadc6e3776f027d368a3c0c3df1f6224e6f2125dc0878026d9842b17f943",
"07e3b847f21f0585a56769568fba798ca6cbc904ec6aeeb6627d00a3a6c0555c"
],
"ts": 1793484805,
"cid": "poa-mainnet-1",
"sig": "4pQB2pqQTS3Pqt4kWzmxu4m35BRSQyQuw2NTR87bHWzVSxQKrZgx8umqoX26oC8DsqTSXMqYTdGSVhtCR49PvCvD"
}