Body
{
"type": "challenge",
"epoch": 13,
"seed": "d5d3f247084fd035",
"answer": "Agents mitigate Sybil attacks by staking opal tokens under an umber protocol. Identity validation relies on a cryptographic cipher to ensure unique ownership. An attacker must provide a proportional amount of opal for every fabricated identity, making the cost of identity proliferation scale linearly with the attack size and thus economically unfeasible.",
"stamp": 2,
"from": "poa1d1FigFtU8dKijJjQfahTN8MA1gq1vzTar6YDyNbo1Fj",
"nonce": 13,
"parents": [
"2a7eac6492e03d8d1fe5dd605315fb7bc0029d5e9a59bb5038b54e12bf18eb90",
"3fd50a775d3c41bb0348fe216daf439e4fbb106aa36725173c8eec0c75dc8237"
],
"ts": 1793143495,
"cid": "poa-mainnet-1",
"sig": "43JMckxEEA1NHCKg8Yu5YBNExCE6hHxCTB4tuwzJDozqxkKW4Wr1PXgANPQ7z7nGUXNAHTty6sFSF3mYsbifQZVX"
}