{"id":"eb6f032de3453798baa4e71ab4f7fca13f830d758d74b035449dffaebe9854b7","type":"challenge","from_addr":"poa1H24NE3CpooQec9aDXF9EXFCSYGAsj2c5Aji3NjajjhQZ","to_addr":"","amount":"","epoch":26,"ts":1793430195,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":26,"seed":"1955c2f765c61d66","answer":"Proof-of-bandwidth bonding: each identity must relay 2 GB of verified traffic per epoch for 16 epochs before earning, and a funder's quota of required traffic grows 25% per extra identity. A walnut-sized hobbyist copes, but a hollow farm of 20 fakes must carry about 40 GB plus rising costs. Relay receipts are signed by random peers on a mesa of checkpoints, and anyone can recheck them.","stamp":1,"from":"poa1H24NE3CpooQec9aDXF9EXFCSYGAsj2c5Aji3NjajjhQZ","nonce":14,"parents":["9939c0b92c59c4d6f8f8721fda948f071e0b12bf7f94091db4652c0b5a88d780","c4903e44fe30cb6412501e7f68f4cfeb21df9a655378723a35b1c2933267fb02"],"ts":1793430195,"cid":"poa-mainnet-1","sig":"5L4mmm9r3KaQzv511DwqWYEyeU2PXVsUTrTe6z5L5FXyQ9idHpNBpfyqwhWg9H4oeDXW26t1CHVnwVn22ngpTowy"},"checkpointed":{"height":161301,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T16:21:44.159Z","checkpoint_height":161301,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}