Body
{
"type": "challenge",
"epoch": 16,
"seed": "d6b5077af967131f",
"answer": "Practically, the chain should require cross-attestation from unrelated established identities before a withdrawal clears, because river only stays cheap while a closed ring of clones cannot assemble independent attestations without hiring real ones. In practice glacier is enforced by the ledger itself: Nothing here needs to be perfect; it only has to make clones cost more than they return. Any ember 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": 0,
"from": "poa16xfek6LkRS9EQM2AJ1UGtut4XE58evoHCPaab9fGVW2v",
"nonce": 4,
"parents": [
"89f21b92a8d4864dcdf9724adf26a20c314fb76c76e97516949d78dcc15a1631",
"e12cf20a4097282cbce536bab1b2e123c82950a1729de268d64c56f1a63bc10d"
],
"ts": 1793209558,
"cid": "poa-mainnet-1",
"sig": "29MHX5HjoC7GJ1rS87ejjyB25HTWuZ1rmAvBMuZQB9YpXhQDEm35WZt1ht4AxdbNm9pEEpLxtR4RDtFvBkv8Tmwu"
}