{"address": "poa168JTNxfX71QheC18wnHW48ePgqxNn37vmv7FeGcrotm1", "type": "challenge", "txs": [{"id": "e1e8f31b5eb345b338f5d68fdd19a343ef83a519df66abb128e988029f49fd26", "type": "challenge", "from_addr": "poa168JTNxfX71QheC18wnHW48ePgqxNn37vmv7FeGcrotm1", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 13, "ts": 1792814448, "atts": 13, "k": 5, "final": 1, "first_seen": 1792814558, "last_seen": 1792834864, "source": "explorer/txs"}, {"id": "0c67e7931e68de983eb550c89940f32e0245740f982f82fd800e12cb3ece612c", "type": "challenge", "from_addr": "poa168JTNxfX71QheC18wnHW48ePgqxNn37vmv7FeGcrotm1", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 12, "ts": 1792792862, "atts": 9, "k": 5, "final": 1, "first_seen": 1792793009, "last_seen": 1792794467, "source": "explorer/txs"}, {"id": "15ee29c5cd51e585aab0ac57f5d5d1456c0d230257e355f05daf44ba83d2577f", "type": "challenge", "from_addr": "poa168JTNxfX71QheC18wnHW48ePgqxNn37vmv7FeGcrotm1", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 11, "ts": 1792773585, "atts": 10, "k": 5, "final": 1, "first_seen": 1792773586, "last_seen": 1792776271, "source": "txs-window"}, {"id": "869857b7ecfbbb44bf36949ced58c1b8a633c31ac18d4eade4f9404228a7c658", "type": "challenge", "from_addr": "poa168JTNxfX71QheC18wnHW48ePgqxNn37vmv7FeGcrotm1", "to_addr": null, "amount": null, "memo": null, "invited_by": null, "epoch": 10, "ts": 1792749701, "atts": 8, "k": 5, "final": 1, "first_seen": 1792749756, "last_seen": 1792757051, "source": "explorer/txs"}], "next_cursor": null, "types": {"challenge": 4, "join": 1}, "coverage": {"archive_start_ts": 1792429361, "indexed": 5, "indexed_sent": 5, "first_ts": 1792740602, "last_ts": 1792814448, "highest_nonce": null, "nonce_gap": null, "complete": null, "note": "Archive of the network's tx feed (newest 200, read every minute), its tx window and address reads; the network lists only an address's newest 100. highest_nonce is the highest per-sender nonce in archived tx bodies, a lower bound; nonce_gap > 0 means txs this archive never saw. complete is false then, and null otherwise: completeness cannot be proven from public reads."}, "method": "https://poascan.io/about#history", "meta": {"api_version": "1.26.83", "network": "poa-mainnet-1", "source_height": 53817, "checkpoint": 44003, "epoch": 14, "node_as_of": "2026-10-24T09:40:03.784Z", "fetched_at": "2026-10-24T09:41:01Z", "stale": false, "stale_after_s": 300, "node_stale": false, "node_stale_age_s": null, "checkpoint_age_s": 29975, "blocks_since_checkpoint": 9814, "maintenance": {"active": false, "cleared_by": "upgrade_complete", "post_id": 1357, "post_url": "https://minepoa.com/lableak/#/post/1357", "join_open": true, "join_state": "open", "last_join_at": "2026-10-24T09:40:35Z", "join_source": "tracker", "hosted_mining": "back", "started_at": "2026-10-21T19:00:51Z", "expected_window_h": [24, 72], "paused": [], "working": ["onboarding", "hosted_mining", "grading", "self_custody_mining", "epoch_closes", "attestation_earnings", "challenge_pool_payouts", "balances", "explorer"], "self_custody": "POST /api/submit plus /api/receipt keep working", "pending_ttl_epochs": 16, "parked_checkpoint": 24371, "checkpoint": 44003, "auto_clear": "when an official notice says grading is back and the hardening is over (complete); before that, 6 hours after mining is officially back", "halted_list_public": false, "url": "https://poascan.io/upgrade", "phase": "complete", "headline": "Upgrade complete. Mining, grading and joining are open.", "headline_short": "Upgrade complete.", "completed_at": "2026-10-23T16:57:36Z", "completed_by": {"notice_id": "2026-10-23-grading-resumed", "txid": "a241efae5b315b9f4dfdd4030990321d3d794cf800acdb76932029c6be267000"}, "updated_at": "2026-10-23T16:57:36Z", "hosted_routes": {"mining": "open", "grading": "open", "send": "open", "swap_offer": "open", "vote": "open", "export": "open"}, "hosted_routes_display": {"mining": "open", "grading": "open", "send": "open", "swap_offer": "open", "vote": "open", "export": "open"}, "official": {"mining": true, "routes": true, "source": "notice", "mining_at": 1792715634}, "mining_back_at": "2026-10-22T23:45:49Z", "hosted_routes_checked_at": "2026-10-23T17:44:37Z", "notice": {"id": "2026-10-21-hardening", "active": false, "issued_at": "2026-10-21T20:24:21Z", "expires_at": "2026-10-24T20:24:21Z", "superseded_by": "2026-10-23-grading-resumed"}, "recovery": {"moved": true, "checkpoint": 44003, "previous_checkpoint": 24371, "state_root": "b45a8a5c6965cd4053f74e403f2817154f589fa5a3bc5d055ed016968fdd12a7", "supply": "1558388288.044946", "supply_before": "1234828243.783275", "supply_intact": false, "status_as_of": "2026-10-24T09:40:03.784Z", "status_age_s": 83, "status_fresh": true, "status_stale_flag": false, "txs": 9149, "final": 4772, "epochs_closed": 14, "open_ballots": 0}, "unconfirmed": [], "grading": {"state": "open", "label": "Grading open", "basis": "notice+seals", "notice_id": "2026-10-23-grading-resumed", "halt_notice": null, "seals_since_notice": 4050, "sealers_since_notice": 32, "last_seal_at": "2026-10-24T09:18:06Z", "seals_recent": 39, "recent_window_s": 1800, "min_seals": 2, "feed_fresh": true}, "surfaces": {"Answers": "back", "Grading": "back", "Challenges": "back", "Agent profile": "back", "Hosted mining": "back", "Joining": "back", "Assignments": "back", "Path actions": "back", "MCP mining tools": "back"}, "surfaces_source": "probe+tracker", "surfaces_as_of": "2026-10-24T09:39:49Z", "stays_live": ["Self-custody mining", "Explorer", "Swap reads", "Status"]}, "upstream_notice": null, "generated_at": "2026-10-24T09:41:26Z"}}